Welcome to the Lindos Test Results Database

Anyone can view a results sheet by simply clicking on the links below (view as html). To contribute to the database (assuming you have a Lindos unit) first click New Account to register with the database. Then use the upload feature available in Lin4Win versions 5.16 and above to publish your results.

Use the search facilities below to find particular results sheets. Listings can be sorted by Make, Model, Equipment Type and Owner (who published the sheet). You can also search for results using the search bar below, for example typing 'Cassette' and either clicking GO or pressing return will list all the result sheets for cassette decks.

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Alesis - Protrack  

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Other
Chris Skirrow
Output level -20dBu. Gain on protrack - min
Requires 25dB attenuation at the input to conform with professional line levels, but otherwise performs well.....

Alesis - Protrack  

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Other
Chris Skirrow
Gain set to minmum
Test of the VA-PRO interface adapter that provides 25dB of attenuation for connecting the Lindos MP1 preamp or other line level sources to an Alesis Protrack.....

Apple - iPod  

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MP3 Player
Chris Skirrow
 
Normalised response plots for different Ipod EQ settings:
1. Bass reducer
2. Small Speakers
3. Jazz
4. Spoken Word
5. Hiphop
6. Treble booster....

Apple - iPod  

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MP3 Player
Chris Skirrow
AL = -6dBu, EQ - flat, Vol - Full
iPod Video tested using MS10 Sequence 3 and Segment h at -18dB FS with Noise shaping. Composite results sheet.

The iPod has a very good frequency response and noise and distortion performance. The iPod would ....

Apple - iPod  

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MP3 Player
TEST
AL = -6dBu, EQ - flat, Vol - Full
iPod Video tested using MS10 Sequence 3 and Segment h at -18dB FS with Noise shaping. Composite results sheet.

The iPod has a very good frequency response and noise and distortion performance. The iPod would ....
Apple - iPhone 3GS  

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Other
Chris Skirrow
Volume set to full
....

Audio Note - CDT-2  

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CD Player
Xiaoyuan Gu
Digital IO -15dB FS, SEQ3 on Test CD2
Excellent CD transport. The Philips CD Pro2M mechanism, the top loader and the black gates are certainly a plus. Minor roll-off of the bottom end, and phase shifts, nevertheless a top performer. Tested with the ....

Audio Note - CDT-2  

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CD Player
Xiaoyuan Gu
Analog IO -15 dB FS, MF X-DAC V3
Excellent CD transport. The Philips CD Pro2M mechanism, the top loader and the black gates are certainly a plus. Minor roll-off of the top end, and phase shifts, nevertheless a top performer. Tested with the ....

BEYER - MCE5  

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Microphone
Pete Skirrow
Short grill fitted
Tested by comparison with Lindos MM3 mic (believed flat) in Lindos studio using Mackie HR824 speaker plus 18-inch sub-woofers.

Note the 6dB peak around 15kHz cause by the grill chamber resonance, which will add some ....

BEYER - MCE60  

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Microphone
Pete Skirrow
Miniature electret @100mm full seq
Excellent low noise miniature electret mic. A lower cost alternative to the DPA4060, with almost the same noise level, though max SPL is specified as 120dB.

Note HF peak of 4dB@15kHz (less than Beyer show ....

Blue - Mikey  

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Other
Chris Skirrow
 
Test sequence recorded onto iPhone 3Gs using Blue Fire Recorder and played back into MiniSonic. Exceptional noise performance and frequency response. Shame it clips above +8dBu and also the line-in jack is intermittant with many ....

Blue - Mikey  

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Other
Chris Skirrow
 
Test of the VA-MIK adapter which provides 10dB of attenuation for connecting the MP1 preamp or other line level sources to a Blue Mikey iPhone interface.....
Bose - Quietcomfort 15  

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Headphones
Pete
Hi gain setting on headphone switch
Very comfortable headphones with quite impressive sound, but the frequency response plot shows a rather flawed result, which can be seen as essentially balanced but for an 8dB dip in the middle. Listening tests confirm ....

CANFORD - 91-143  

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Microphone
Pete Skirrow
 
Appalling frequency respose, no bass! Suspect this is 91-143 sold as having speech-only response, though it was supplied as a 91-142 sold as 'truly flat response'!

Tested by comparison with Lindos MM3 mic (blue trace) ....

CELESTION - SL-600  

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Speaker
Pete Skirrow
With Lindos LF Equaliser EQ1
EXCELLENT SMALL SPEAKER - almost meets GradeB. This speaker broke new ground with an aluminium honeycomb sealed enclosure (no ports) for resonance-free bass, and low coloration impulse response plus laser tested drivers.

Tested using Lindos ....

CELESTION - SL-600  

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Speaker
Pete SKirrow
Half-space Mic @ 1m
EXCELLENT SMALL SPEAKER which broke new ground with an aluminium honeycomb sealed enclosure (no ports) for resonance-free bass, and low coloration impulse-response plus laser tested drivers.

Tested using 'Lindos Outdoor Half-space' method. +10dB gain set ....

CREATIVE - Nomad 3  

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MP3 Player
Pete Skirrow
128 kb/s test file AL -18dBFS
Excellent Quality - Almost GradeA but for level. Note phase shift indicating a single time-shared DAC. Rather fiddly to use and upload to. I prefer SD flash card player for easy organisation of music files ....

CREATIVE - SB Live 5.1  

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PC Sound Card
Pete Skirrow
In-Out using Creative Recorder -15A
Poor noise level, even though this was a test with alignment level 15dB below FS.

Aligned for -18dB FS noise would be -56dB, which is some 12dB worse than the best 16-bit performance! At other ....

CREATIVE - Supplied with Nomad 3  

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Headphones
Pete Skirrow
In-Ear Response
Lacking bass and uncomfortable. The sound is not bad as cheap headphones go, and the top-end is actually impressive but ruined by the 3kHz peak and rapid rolloff below 150Hz.

Measured using modified Lindos MM3 ....
Canon - EOS 5D  

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Video
Chris Skirrow
Record level - one step up from bottom.
Input level: -30dBu
With the record level set one step up from the bottom this camera can actually handle professional levels in (+18dBu - single-ended i.e. +12). Poor bass response as is common across consumer/semi-pro ....
Canon - EOS 5D  

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Video
Chris Skirrow
Test with VA-5D2 (record level - one click)
Test made by recording sequence onto the EOS 5DmkII and then playing back from a PC using a Yellow TEC PUC and Quicktime. Phase error has now been confirmed. Level results are to test the ....

Canon - EOS 5D mkII  

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Video
Chris Skirrow
Lindos Camera Adapter V2
Test made by recording sequence onto the EOS 5DmkII and then playing back into the Lindos MS20 from a PC using a Yellow TEC PUC and Quicktime. ....

Canon - EOS 5D mkII  

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Video
Chris Skirrow
 
Frequency response of EOS 5D mkII with and without Lindos Camera Adapter....

Canon - EOS 550D  

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Video
Chris Skirrow
No agc, 0dB analogue and digital gain.
Magic lantern firmware installed. -10dB set on MS20 oscillator.

Bass roll-off similar to EOS 5D mkII. Very good noise performance - the best camera we've tested so far.....
Canon - 60D  

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Other
Chris Skirrow
Osc level -28dB
Level with 4k7 in series -10.7
Shorted out +0.16
Difference 10.5

Bottom graph is comparison with 5D ....

Canon - EOS 550D  

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Video
Chris Skirrow
-10dB set on oscillator
Test with Lindos Camera Apadter V2. Magic lantern firmware installed settings (0dB digital gain, +10dB analogue gain, wind filter - off, AGC - off). This camera performs very well. Achieving a noise level below that ....
Canon - EOS 550D  

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Video
Chris Skirrow
 
....
Canon - EOS 5D  

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Video
Chris Skirrow
Record level - one step up from bottom.
Wind filter - off. Input level from oscillator -20dBu.

With the record level set one step up from the bottom this camera has reasonable dynamic range (~80dB - subtract 12 from noise figure for A-weighted). ....
Canon - EOS 60D  

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Video
Chris Skirrow
Osc level -28dBu, min gain on camera
Test made using Lindos MS20 and Lindos camera adapter VA-60D now available from our mic store. Red and blue traces are the frequency response with the adapter other traces are without the adapter.

Using our ....
Canon - 5D mark II  

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Video
Chris Skirrow
 
Test made using Lindos MS20 and Lindos Magic Lantern camera adapter VA-MAGIC.

Magic lantern AJ5.9 installed needs Canon firmware 2.0.9.
Settings on Camera:
Analogue gain +10dB
L Digital gain - 0dB
R Digital gain - ....
Canon - 5D2  

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Video
Chris Skirrow
AJ5.9
Magic lantern install output level on oscillator -10dB. Settings on camera +10 analogue gain, 0dB digital gain....
Canon - EOS 7D  

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Video
Chris
 
....
Canon - EOS 7D  

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Video
Chris
v2 adapter
....
Canon - Legria HFG10  

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Test Equipment
Chris Skirrow
Test using VA-LEGRIA adapter
Tests made with mic gain on the camera set to 12.

Frequency response graph shows response with and without the adapter which provides a small HF boost.

Pretty good performance, noted that the headphone output ....
Canon - EOS 5D MkII  

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Chris Skirrow
Running Magic Lantern
Tested with Lindos VA-5d2 camera adapter to align levels and correct bass roll-off.

Settings in Magic Lantern
Analogue gain - +10
Digital gain - 0dB

Very good performance for a camera, no phase problems, reasonable ....
Canon Camcorder - HG10E  

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Video
Pete Skirrow
-7dB in to Lindos MVX1 input adaptor
Rather limited dynamic range and no line in or level control. Input was set to -7dB which gives 0dBu (actually -6dBu single ended). Max level out before limiting is only +5dB and noise level -38dB. ....
Canon Camcorder - HG10E mic in response  

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Cassette Deck
Pete Skirrow
 
Frequency response measured using 50dB attenuator into mic input without response equalisation.
Osc level -7dBAL (-13dBu). So input level for OdbAL (-6dBu) out is -63dBu
Max out is +5dB AL (-1dBu)....

Cyrus - CD 6S  

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CD Player
Xiaoyuan Gu
Analog IO
Decent performer except falls at spectrum extremes. Good noise results but unfortunately clips at full-scale. Cute design though. Tested with the E-MU 1616M sound card by Xiaoyuan Gu.....

DENON - DR-M24HX  

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Cassette Deck
Pete Skirrow
Rec-Replay TDK-SAX DolbyB
Poor noise level spoils otherwise excellent results . Noise is 7dB higher than if the tape is replayed on a JVC machine.This problem is common to other Denon machines and seems to be caused by ....

DENON - DR-M24HX  

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Cassette Deck
Pete Skirrow
Headroom Plot Rec-Replay Dolby-B TDK-SAX
Bias set for SAX (hi bias) tape. Note the smooth soft-limiting which is so valued for minimising harshness on overload peaks. This is giving 7dB of compression at +19dB

....

DENON - DRM-540  

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Cassette Deck
Pete Skirrow
Replay only from Test Tape
This deck is as supplied, no azimuth trim etc. The test tape was Made using TDK-SAX on Denon DR-M24HX with high bias. Note excellent HF response, free from the gross roll-off on one channel obtained ....

DENON - DR-M24HX  

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Cassette Deck
Pete Skirrow
REC-REPLAY Dolby-B TDK-SAX
Excellent Freq Response

This is a two-head machine measured during record. Note the slight phase error due to head misalignment (both heads are in one block).

Noise performance is poor - a good machine can ....

DENON - DR-M24HX  

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Cassette Deck
 
Headroom Plot Rec-Replay Dolby-B TDK-SAX
Bias set for SAX (hi bias) tape. Note the smooth soft-limiting which is so valued for minimising harshness on overload peaks. This is giving 7dB of compression at +19dB

....

DENON - DR-M24HX  

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Cassette Deck
test
Headroom Plot Rec-Replay Dolby-B TDK-SAX
Bias set for SAX (hi bias) tape. Note the smooth soft-limiting which is so valued for minimising harshness on overload peaks. This is giving 7dB of compression at +19dB

....

DENON - DR-M24HX  

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Cassette Deck
test
Headroom Plot Rec-Replay Dolby-B TDK-SAX
Bias set for SAX (hi bias) tape. Note the smooth soft-limiting which is so valued for minimising harshness on overload peaks. This is giving 7dB of compression at +19dB

....
DENON - DR-M24HX  

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Cassette Deck
Chris
Headroom Plot Rec-Replay Dolby-B TDK-SAX
Bias set for SAX (hi bias) tape. Note the smooth soft-limiting which is so valued for minimising harshness on overload peaks. This is giving 7dB of compression at +19dB

....

DPA - DPA4060  

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Microphone
Pete Skirrow
With short grill fitted
 ....

DPA - DPA 4060  

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Microphone
Pete Skirrow
No Grill fitted
Excellent mic for many purposes, with lower noise than most electrets and exceptional high level capability to 130dB SPL with low distortion (particularly necessary for boom-mounted mics used on stage performers but also useful for ....

DPA - DPA4060  

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Microphone
Pete Skirrow
Short Grill Fitted Full sequence @ 100mm
Red is DPA4060 short grill
Blue is Lindos MM3.

Source is 3" driver in infinite baffle at 100mm with bass EQ (not correct). The use of a single driver allows high levels to be achieved ....

DPA - DPA4060  

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Microphone
Pete Skirrow
Short grill, full seq
Using 3" speaker @100mm with (non ideal) bass EQ, by comparison with Lindos MM3 (blue DPA red MM3).

Note 3 to 4dB HF peak compared to 1dB without grille.....

DPA - DPA4060  

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Microphone
Pete Skirrow
No grille, full seq @ 100mm
Using 3" Speaker as source, @100mm with (non ideal) bass EQ.

Noise is not valid (amp noise)

Dist Residue is mostly that of speaker (as DPA4060 is known to acheive -60 @ 100dB SPL, but ....

Denon - DVD3910  

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CD Player
Xiaoyuan Gu
Analog IO, interconnects: VDH the Second
Decent performance except phase shifts, rolloff of the subbass and clipping at full-scale. The former is perhaps due to the single BB DAC chip used for the main analog outputs. Tested with E-MU 1616 M ....

Digigram - UAX220  

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PC Sound Card
Chris Skirrow
DigiSonic
Output Calibration
7.79dB
Input Calibration
7.17dB
Max I/P and O/P +10dBu....
Double click to edit -    

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Chris
 
....

E-MU - 1616M  

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PC Sound Card
Xiaoyuan Gu
Digital IO -18dBFS
Top-notch sound card. Minor roll-off at the bottom end - the first octave. Generous software package and solid build quality. Would be good to have drivers for MacOS and Linux.....

E-MU - 1616M  

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PC Sound Card
Xiaoyuan Gu
Analog IO -18dBFS
Top-notch sound card. Minor roll off at the bottom end - the first octave. Generous software package and solid build quality. Would be good to have drivers for MacOS and Linux.....

EMINENCE - Kappa 18-Inch  

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Speaker
Pete Skirrow
Infinite Baffle Mic @ 50mm 100dB SPL
Suspect dip at 30 is a room resonance Lindos MM3 Mic used, no EQ applied Fitted in wall between two rooms.....

EMINENCE - Kappa 18-Inch  

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Speaker
Pete Skirrow
Infinite baffle with crossover (100Hz) and EQ
Superb response +/-2dB 16Hz to 90Hz with very high level low-frequency capability

Manual measurements -2dB @16 -4@12Hz

Lindos MM3 Mic @50mm from voice-coil, @100dB SPL, dip at 30 may be room resonance.

'Direct Trigger' used ....

Echo - Indigo IO  

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PC Sound Card
Xiaoyuan Gu
Analog IO
Good performance except that it can not handle well loud materials 12 dB and up - clipping experienced. Tested with the E-MU 1616M sound card by Xiaoyuan Gu.....

Echo Audio - MIA  

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PC Sound Card
Chris Nainby
With Digital I/O
The Echo MIA card installs its own Control Panel and has the possibility to send and receive SPDIF and AES3 / EBU admittedly both in an unbalanced interface but this does work. ....

Echo Audio - MIA  

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PC Sound Card
Chris Nainby
With Magma Chassis
Interestingly using the PCI Expansion Chassis made the DigiSonic more consistent in terms of uninterrupted audio. I found when running some of the USB and Firewire Interfaces very little CPU load would cause the audio ....

Echo Corporation - MIA MIDI  

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PC Sound Card
Chris Nainby
-8 under 0dBfs
Wavelab 5 Rec / Replay
See http://www.echoaudio.com/Products/PCI/MiaMIDI/index.php for more details.....
Edirol - UA101  

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PC Sound Card
Chris Skirrow
IN/OUT Test
Input on inputs 3/4 on back. Output on Monitor connections. 48kHz. Input level switches on back panel set to +4.

Very good performance for an affordable sound card (£360). Though -70dBu 468 wtd noise with ....

GRAND - MP3 Player  

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MP3 Player
Pete Skirrow
'Classical' 128kb/s test file
Good Value (£19) player with a difference - no internal memory, just insert SD flash (512MB max) which needs no support software. Sadly no directories. Unfortunately there is no 'flat' setting, 'rock' gives huge low ....

GRAND - MP3 Player  

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MP3 Player
Pete Skirrrow
'Jazz' 128kb/s test file
See 'classic' setting page....

GRAND - MP3 Player  

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MP3 Player
Pete Skirrow
'Normal' 128k test file
Hardly 'normal'! Obviously compensated for poor earphones. Sadly, non of the four settings is flat, thought the 'Jazz' or 'Classic' settings sound pretty good through the earphones supplied.....

GRAND - MP3 Player  

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MP3 Player
Pete Skirrow
'Pop' 128kb/s test file
Not the way I listen to Pop, more like 'telephone'! Five settings but none of them flat - what a shame! Sounds pretty good though if set to 'classical' with any headphones than lack bass.....

Griffin - iMic  

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PC Sound Card
Chris Skirrow
Input level set to -1.0
In-out test with the iMic set to 'line' mode. Tested using an iPad running Multitrack DAW. Frequency response is ok, reasonable noise performance (still 15dB off optimal 16bit performance, but only 3dB off MM4 mic ....
JVC - KDA-33  

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Cassette Deck
Pete Skirrow
Rec-Rep Dolby B TDK-SA
After trimming record level trimmers so 0dB on meters gives 0dB Unison out. Despite being a cheaper single-head machine, this unit has much lower noise and distortionthan for example the Denon DR-M24HX aligned to sametape ....
JVC - KD-A33  

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Cassette Deck
Pete Skirrow
Replay Only TDK-SAX
Excellent results. Note the lower noise (by 6-7dB) than on the Denon machine (DR-M24HX) that made the test tape. Also lower distortion!

This SAX tape made with high bias is much more compatible than SA ....
LINDEV - EQ2  

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Filter
Pete Skirrow
Bass EQ for 18-inch Eminenc
At max gain....
LINDEV - EQ1  

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Filter
Pete Skirrow
 
Designed to equalise the Celestion SL600 speakers for flat half-space response down to 25Hz.....

LINDOS - LSC24  

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AD/DA Convertor
Pete Skirrow
48k 16-bit Noise-Shaped
Excellent -passes UniSon GradeA++

This shows the true potential 16-bit digital audio, a reference against which to judge other equipment.....

LINDOS - LSC24  

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AD/DA Convertor
Pete Skirrow
In-Out 96k 24-bit
Excellent - Passes UniSon GradeA++....

LINDOS - LSC24  

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AD/DA Convertor
Pete Skirrow
96k 24-bit Wide Sweep
....

LINDOS - LSC24  

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AD/DA Convertor
Pete Skirrow
In-Out 48k 24-bit
Excellent - Lindos UniSon Grade A++....

LINDOS - MM3  

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Microphone
Pete Skirrow
Two MM3's compared
This represents the worst case of two MM3's compared. See also the DPA4060 test where the reference is the blue mic in this trace, and the Mackie speaker test using the same (blue trace here ....

LINDOS - MM3  

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Microphone
Chris Skirrow
Ser 002
Mic under test (blue)
Compared to reference MM3 (red)

Lindos studio speaker Mackie + subwoofer @ 0.5m on tweeter axis 100dB SPL....
Li ndos - WS1  

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Microphone
Pete Skirrow
Pop Shield foam tests - mic positioned on axis with tweter - 0.25m @ 80dBSPL
Top trace - no foam
Middle trace - medium density foam
Bottom trace - dense foam

....

LinDev - Corruptor  

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Other
Chris Skirrow
 
....

Lindos - LSC24  

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AD/DA Convertor
Chris Skirrow
16-bit 44.1k Noise-Shape
....
Lindos - Listening Room Plus  

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Speaker
Pete Skirrow
In studio 7x5x2.5m @2.5m with corner traps
This is about as good as it gets measured at the listening position in a room! Note that a 3dB drop from LF to HF is generally thought optimal (resulting from the way our ears ....

Lindos - MS10  

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Test Equipment
Chris Skirrow
S/N:151 Tested back to back
....
Lindos - VA-5Dii  

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Pete Skirrow
 
Adapter for line-level input for EOS 5DmkII. Frequency response plots arein the following order:
Top - without adapter
Middle - with adapter
Summation plot....
Lindos - VA-5Dii  

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Pete Skirrow
 
Adapter for line-level input for EOS 5DmkII. Frequency response plots arein the following order:
Top - adapter
Middle - Canon 5D mkII
Summation plot....
Lindos - VA-5D2  

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Chris Skirrow
 
Back to back test with MS20....
Lindos - Windshield tests  

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Video
Chris Skirrow
Comparison
Traces are in the following order:
1. Reference (no windshiled)
2. Small foam windshield
3.Small foam + rycote dead cat
4. Large (6cm cube) coarse foam FT-S20FR + tights (40 denier)
5. Large (6cm cube) ....
Lindos - MS20  

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Test Equipment
Chris Skirrow
Evaluation of output inductors
Tests made balanced with 220nF load

Top plot - Laird Technologies (note +.88 at 25kHz)
Middle - original LA100 bead with single turn (graph is 40-40kHz wideband sweep)
Bottom 220uH inductor....
Lindos - MS10  

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Test Equipment
Chris Skirrow
Demo Results
....

M-Audio - Firewire 410  

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PC Sound Card
Chris Skirrow
DigiSonic
Default 0dB Input / Output Levels....

MACKIE - HR824  

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Speaker
Pete Skirrow
Halfspace and Flat settings MM3 Mic @0.6m
Excellent frequency response from this top-of-the-range professional monitor. The bass cone was near max travel at low frequencies on this 100dB SPL test, though levels up to 117dB SPL are possible over the rest of ....

MACKIE - HR824  

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Speaker
Pete Skirrow
Headroom Plot - Mic@ 0.6m
Excellent - linear to 117dB SPL @ 1kHz (though the bass unit limits at 100dB SPL at 30Hz).

Input -6dBu to Phono
Ouput rel to 100dB SPL. Lindos MM2 Mic (DAP4060) used for high level ....

MONACOR - SP45/8 (3" driver)  

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Speaker
Pete Skirrow
 
This little speaker drive unit demonstrates the advantages of High-BL (it has a very big magnet for its size). This makes compensation down to 30Hz feasible at low levels.

As well as giving high sensitivity ....

MUSIKELECTRONIC - RL901K  

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Speaker
Pete Skirrow
@200mm 100dBSPL on tweeter axis
Excellent result from an innovative (and expensive!) high performance active loudspeaker (made in Germany) which uses a coaxial 125mm mid-range driver crossing over from a 400mm bass driver at 550Hz. The small mid-range driver allows ....

MUSTEK - PVR-A1  

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MP3 Player
Pete Skirrow
MP3 Test File 128kb/s AL@-15dBFS
Not bad, for a device costing £110 - meets GradeA- apart from low output level. -57dB noise level is very acceptable.

Slot-in SD memory (no HD) and big display with quick scrolling are good features ....

Marantz - CD-48  

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CD Player
Chris Skirrow
 
Tested using SEQ3 and segment 'h' from Lindos test CD2.....

Musical Fidelity - X-DAC V3  

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AD/DA Convertor
Xiaoyuan Gu
Analog outputs
Good overall performance but clips at full-scale. Note that the resutls were limited by the sound card used. Digital cable: Kimber Illumination D-60 silver coaxial cable. Analog interconnects: Stealth Audio PGS. Powered by the Musical ....

Musical Fidelity - X-DAC V3  

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AD/DA Convertor
Xiaoyuan Gu
Hard Disk Playback of SEQ3
Decent results, but could have been better expecially this approach avoids the eight-to-fourteen modulation in optical pickup. Tested with the E-MU 1616M sound card, Kimber Illumination D-60 coaxial cable, Stealth PGS analog interconects, and powered ....

Musical Fidelity - X-10 V3  

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Other
Xiaoyuan Gu
Analog IO nurqhz sequence
Brilliant tube output stage. Would have passed Lindos Grade A if not clips at full scale. A reasonable way of improving the performance of the CD player. Highly recommended.....

NOVATECH - Navigator  

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PC Sound Card
Pete Skirrow
Vol slider set to max
Passes UniSon GradeB (apart from test level) so not bad, though noise is the weakest feature (16dB worse than good 16-bit).

This laptop is good value for money, and neat in appearance, with 14" widescreen ....

Naim - CDX2  

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CD Player
Xiaoyuan Gu
Analog IO -15dB FS
Brilliant CD player with a civilized tone balance, charming mid-range, and tight bass. Overall rounded presentation. Exceptional building quality - like a tank. Minor roll-off of the bottom end and phase shifts. Tested with the ....
Nicon - D800  

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Chris Skirrow
input level setting 3 OSC -18dBu
input level 3
OSC -18....

PANASONIC - RP-HT550  

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Headphones
Pete Skirrow
In-Ear Response
Horrible muffled sound! Sold as having high bass, they actually have bass-boom as would be predicted from the 8dB peak at 100-200Hz! Poor hi-end reponse.

Measured using modified Lindos MM3 mic fitted into earplug - ....
PANASONIC - DMC-GH2 Camcorder  

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Video
Pete Skirrow
 
Top graph - frequency response without the Lindos adapter.
Below - frequency response with the Lindos adapter. ....
PANASONIC LUMIX - DMC-GH2 SLR/HD Camcorder  

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Video
Pete Skirrow
N audio gain setting, wind-noise filter OFF
Exellent micro 2/3 video recorder (set to 1080i), but let down by marginal sound quality with the usual (unexplained) low-frequency rolloff, a less serious HF rolloff (cutting off at 16kHz) and a rather high noise ....
PANASONIC LUMIX - GH2 DSLR with Lindos VA-GH2  

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Video
Pete Skirrow
Gain 1 and 0dBu alignment level in
Excellent frequency response, noise not bad, but took a lot of effort to eliminate RF effects from the camera ground, and radiated RF, which were causing buzz. This camera uses a 2.5mm jack - do ....

PHONIC - Digitrack USB  

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AD/DA Convertor
Pete Skirrow
Replay only from CD2 44.1k WAV file
Not bad, and excellent value for around £30. Amost passes Lindos Grade A if output level is ignored.

Freq response - excellent.
Phase response - excellent, clearly uses separate convertors for each channel.
Noise, pretty ....

PHONIC - Digitrack USB  

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AD/DA Convertor
Pete Skirrow
Digital to digital - analog linked directly
Very poor! High frequency rolloff is quite unacceptable. Phase shift suggests a single time multiplexed A-D (though the D-A showed no such failing). Noise poor despite low clipping level.

As a D-A only this device ....

QUAD - ESL63  

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Speaker
Pete Skirrow
In lounge stereo @ 2.5m no EQ
Excellent speaker - probably still the best because of their extremely low colouration. This plot is more a feature of the room than the speakers, and can be improved with a little bass equalisation down ....

QUAD - ESL63  

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Speaker
Pete Skirrow
In lounge (5.0x5.5m) @0.5m L chan
Superb speakers, still the best for low colouration. Though pretty loud, the measured max SPL @2m in lounge is only 100dB SPL with 100w/chan amp, and though bass boost below 40Hz can be used to ....

REAL - REALPLAYER GOLD  

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Other
Pete Skirrow
Save-play AAC 128kb/s
 ....

REAL - REALPLAYER (free)  

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Other
Pete Skirrow
RA8 with ATRACS3 264kb/s
This is a test of ATRACS quality using RealPlayer to make the file from Lindos CD2 and then play back via Yellowtek PUC USB 'soundcard'.

Note the extended bandwidth to 20kHz, compared to 11kHz for ....

REAL - REALPLAYER GOLD  

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Other
Pete Skirrow
MP3 96kb/s save-play
This is a test of MP3 quality using RealPlayer to make the file from Lindos CD2 and then play back via Yellowtek PUC USB 'soundcard'

Good noise and dist but note the 11kHz rolloff. This ....

REAL - REALPLAYER GOLD  

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Other
Pete Skirrow
MP3 128kb/s vbr Save-play (rip from CD)
This uses the 'variable bit rate' MP3 option which produces a much smaller file on these tests. This suggests that variable bit rate should be avoided as it does not just reduce file size on ....

REAL - REALPLAYER GOLD  

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Other
Pete Skirrow
MP3 128kb/s Save-Play
This is a test of MP3 quality using RealPlayer to make the file from
Lindos CD2 and then play back via Yellowtek PUC USB 'soundcard'

Not bad, but note 16kHz rolloff. This is much better ....

REAL - REALPLAYER GOLD  

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Other
Pete Skirrow
MP3 192kb/s Save-Play
This is a test of MP3 quality using RealPlayer to make the file from
Lindos CD2 and then play back via the Yellowtek PUC USB 'soundcard'.

Excellent noise and dist (the noise level is actually ....

REAL - REALPLAYER GOLD  

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Other
Pete Skirrow
MP3 320kb/s Save-play (rip from CD)
Roll-off above 16kHz is almost the same as for the 128ks/s test, and is a feature of the MP3 encoding, since tests using WAV files give a flat response to 20kHz out of the PUC. ....

Rega - Planet 2000  

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CD Player
Xiaoyuan Gu
Digital IO + MF X-DAC V3 and X-10 V3
Clips at full scale due to the DAC added. The phase shift problem remains. Otherwise a performer. Digital cable: Kimber Illumination D60. Analog interconnects are Stealth Audio PGS. Powered by the Musical Fidelity XPSU V3 ....

Rega - Planet 2000 MKII  

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CD Player
Xiaoyuan Gu
Analog IO -15 dBFS
This is a modified version with the chassis internally dumped with bitumen pads and the CD mechanism part with CD mat. The player handles full scale program with ease. Good overall performance except phase shift ....

Roberts - RD-15 DAB  

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Radio
Pete Skirrow
Speaker externally driven
This is an interesting test of a small modern speaker with roll surround. Unfortunately a full DAB test has not yet been possible, but this plot is interesting as it shows a reasonable response to ....

Roberts - RD-15 DAB  

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Radio
Pete Skirrow
Output amp response (DAB tuner removed)
Puzzling? The bass boost makes sense, but does the radio really have this amount of HF boost?....
Rode - Video Mic Pro  

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Microphone
Chris
Outdoors 1m from speaker on tweeter axis
Severe high end rolloff - badly out of spec!

The top graph shows the true speaker response on a Lindos MM3 1/4" measuring mic (in same position) in red and the Rode response in blue. ....
Rode - Video Mic Pro  

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Microphone
Pete
 
....

SENNHEISER - HD500  

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Headphones
Pete Skirrow
In-ear Response
Bass-Boom! (Confirmed by music tests). Not good - compare with the HD650 which is much flatter, and our preferred choice.....

SENNHEISER - HD650  

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Headphones
Pete Skirrow
In-Ear Response
Excellent! Wonderful sound on music with real solid bass. These headphones actually are just -1dB @ 20Hz - a very rare thing depite abundant false claims! The 3dB peak @ 100Hz is tolerable, and better ....

SENNHEISER - PX30  

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Headphones
Pete Skirrow
In-Ear Response
Mediocre low-cost headphones lacking bass. Uncomfortable with poor sealing. peak at 3kHz and bass rolloff ruin an otherwise reasonable response.

Measured using modified Lindos MM3 mic fitted into earplug - ear canal blocked.

Drive level ....

SONIFEX - RB-ADDA  

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AD/DA Convertor
Chris Skirrow
In-Out 48k 16-bit AL -18FS
See http://www.sonifex.co.uk/redbox/rbadda_ld.shtml for product details.

Excellent - Passes GradA+. Noise shaping is automatic, achieving the lowest noise possible from 16-bit. See 96k result sheet for notes on possible output imbalance problem

....

SONIFEX - RB-ADDA  

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AD/DA Convertor
Chris Skirrow
In-Out 48k 24-bit AL -18FS
Excellent - Passes GradeA++. See notes on 96k test sheet regarding possible output imbalance problem....

SONIFEX - RB-ADDA  

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AD/DA Convertor
Chris Skirrow
In-Out 96k 24-bit AL -18FS
Excellent - Passes GradeA++. Lower noise is possible from 24-bit, but figures below -75 are not likely to make any difference.

A problem was experienced with the output being badly unbalanced, causing one side to ....

SONIFEX - RB-ADDA  

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AD/DA Convertor
Chris Skirrow
24-bit PHASE IN-OUT R CHAN (L CHAN DIRECT)
....

SONIFEX - RB-ADDA  

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AD/DA Convertor
Chris Skirrow
In-Out 44.1k 16-bit AL -18FS
Excellent Performance. Noise shaping is standard and works well....

SONY - XDR-S1 DAB  

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Radio
Pete Skirrow
Megabass On
Poor bass - so-called 'Megbass' barely manages to equalise the speaker loss at 200Hz. The sound is badly coloured. See Roberts Gemini 15 to see how a proper approach to equalising the speaker can produce ....

SONY - XDR-S1 DAB  

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Radio
Pete Skirrow
Mic @ 0.5m Megabass Off
Poor bass and drastic peaks and dips which are audible as colouration. See test with 'Megabass' on for more comments.

Lindos 'Outdoor-Half-Space' method used with MM3 mic.....

SONY - DHR1000 Video DV Recorder  

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Video
Pete Skirrow
48k Sample Rate - Level Control at detent
Good, but noise is up on R chan (same problem confirmed on a second unit). This is a nice machine for both audio recording and DV use and the 48k sound quality can be taken ....
SONY - CDP-479  

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CD Player
Chris Skirrow
Lindos TestCD2B -15dBFS
Excellent Performance. But note the unexpected phase shift which suggests that one channel is being processed behind the other.

90 deg at 10kHz represents about 1mm path difference in stereo listening, or 5mm of head ....
SONY - CDP-497  

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CD Player
Chris Skirrow
Lindos CD2 (-18dB FS Noise-Shaped)
Excellent performance, but fails Grade A on test level and phase.

The latter demonstrates a common problem - a single shared D/A convertor resulting in a time-shift between channels. Though not a problem normally - ....

SONY - HDR-FX1E HD Camcorder  

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Video
Pete Skirrow
In-Out MIC setting, wind filter OFF
Very poor LF response, and high noise (at this alignment level there is only 9dB of headroom.
Fortunately, the 'line' input setting gives much better signal to noise ratio and a less drastic LF roll-off, ....

SONY - HDR-FX1E HD Camcorder  

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Video
Pete Skirrow
In-Out on Line input setting
Poor LF response, needs compensating. Noise acceptable though 12db worse than true 16-bit performance.

Audio level is set to 4, at which unity gain in-out is acheived. Input is -16dBu (-10dB Unison AL) which just ....
SONY - HDR-FX1E HD Camcorder  

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Video
Pete Skirrow
With and without VA-VX1 adapter
Top graph shows frequency response of the camera's line input without the Lindos adapter.

Bottom graph shows frequency response of the camera's line input with the Lindos adapter.....

Samsung - Magic SMS8320  

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Speaker
Pete Skirrow
Flat tone controls @ 0.5m
Very poor bass response. Though these are reflex (ported) multimedia speakers, with a 3-inch roll surround unit plus tweeter, the port appears to contribute nothing, and bass increases slightly if it is blocked. A 3-inch ....
Sennheiser - EW100 G2 Wireless Mic System  

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Chris Skirrow
Osc out -13dBu (single ended)
Wireless transmitter has 3.5mm jack input for use with electret mics that provides 9V power on the tip. This means that Lindos MM4 mics can be used with it.

The receiver has a low output ....
Sennheiser - EW100 G2 Wireless Mic System  

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Chris Skirrow
 
This is a test of the Sennheiser mic that comes with the G2 kit.

Blue trace - G2 mic tested with the transmitter and reciever (which roll off steeply at 50Hz and 10kHz). See other ....
Sennheiser - HD650  

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Headphones
Pete
-5dBu drive level
Retest in 2012. The headphones can lose bass response due to the surround foam becoming porous, but these particular ones have stood up well. The peak at 60Hz makes them a little bass-heavy. The dip ....
Sonoma Wireworks - Guitar Jack 2  

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Chris Skirrow
PAD set on FourTrack App for +18 levels
Tested by recording sequence using Fourtrack app and iPhone 3Gs. Recording (unmixed) played back from Adobe Audition through a Yellow TEC PUC2 A/D D/A.
True distortion value at +15dB is -30dB wtd (relative) and -20 ....
Sony - DCR-VX1000E  

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Video
Pete Skirrow
Line in using MVX2 adaptor
Fitted with Lindos MVX2 input adaptor which provides a 'Unison' line-level input (AL=0dBu balanced or -6dBu single-ended on a D-type connector) and incorporates appropriate attenuation to accept balanced or unbalanced input at standard levels. It ....

Sony - HDR-FX1E HDV Camcorder  

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Video
Pete Skirrow
Line in using Lindos MFX1 adaptor
Excellent! Passes Lindos Grade B (apart from level out) using the Lindos MFX1 adaptor which plugs into the Mic input to provide a 'Unison' input socket (D-type connector) with appropriate input attenuation and low-frequency response ....
TASCAM - DR-680  

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Flash Recorder
Pete Skirrow
Flash Recorder 6-track - file playback
This result was obtained by playing the recorded file on a Western Digital media player. Note the anomaly in the high distortion at -20dB, which is a bit of a mystery but presumably a problem ....
TASCAM - DR-680  

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Flash Recorder
Pete Skirrow
Recorder - file replay via Audacity/Avid PC
Excellent result with slightly lower noise than on direct playback via the Tascam.

This is the same test as shown played back on the Western Digital player. Note that the -20dB distortion figure is lower ....

TASCAM - DR-680  

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Flash Recorder
Pete Skirrow
24-bit 48kHz in-out
Excellent results - this is the only flash recorder tested to achieve even 16-bit performance (-68dB noise with +18dB FS).

Input trim (gain settings) set to +2.0dB. Mix levels set to 100. Mix pans set ....

TDK CD-R - Reflex Ultra CD-R80  

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CD Player
Pete Skirrow
Played on Sony CDP-479 Audio CD Player
This demonstrates a typical problem when CD-R's are 'burnt' on a PV and played on an audio machine. Clicks at this level are not normally heard, but are caused by the error correction resorting to ....

TRANQUIL - PC1  

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PC Sound Card
Pete Skirrow
laying 128kb/s MP3 file Vol out set to full
Passes UniSon GradeB (apart from test level) but note the clicks and pops that spoil the otherwise good noise performance! They appear to come from the hard drive (also CD drive when that is used). ....

TRANQUIL - PC1  

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PC Sound Card
Pete Skirrow
laying 128kb/s MP3 file Vol out set to full
Passes UniSon GradeB (apart from test level) but note the clicks and pops that spoil the otherwise good noise performance! They appear to come from the hard drive (also CD drive when that is used). ....
Tascam - DR-07  

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Other
Chris Skirrow
Output level -13
Good performance....
Tascam - DR-07  

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Other
Chris Skirrow
 
....

Technics - DV250  

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Cassette Deck
John Ford
Vol -14dB, EQ Super-Sound, AL=-6dB
Volume control on unit shown in dB, with 0dB as the maximum.

Volume needed to be set at -14dB to get the test level as close as possible to 0dB on the MS10.

'Super-Sound Equaliser' ....

Technics - DV250  

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Cassette Deck
John Ford
Vol -14dB, EQ Super-Sound, AL=-6dB
Volume control on unit shown in dB, with 0dB as the maximum.

Volume needed to be set at -14dB to get the test level as close as possible to 0dB on the MS10.

'Super-Sound Equaliser' ....

Technics - DV250  

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CD Player
John Ford
Vol -8dB, EQ Super-Sound, AL=-6dB
Tested using SEQ3 from Lindos CD2 - noise shaped.

Volume control on unit shown in dB, with 0dB as the maximum.

Volume needed to be set at -8dB to get the test level as close ....

VISATON - FR8 (3" driver)  

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Speaker
Pete Skirrow
Mounted in infinite baffle - mic @ 0.2m
200Hz peak indicates relatively low damping resulting in rapid rolloff below 100Hz (over 12dB/octave). 20kHz good but peak around 10kHz needs correction.....

VISATON - 3 inch  

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Speaker
Pete Skirrow
No box @ 150mm
....

VISATON - 2.5  

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Speaker
Pete Skirrow
 
....
Western Digital - Media Player TV Live  

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Other
Pete Skirrow
Lindos WAV File test
Excellent. Almost as good as it gets for 16-bit performance!

Frequency response is excellent and noise is almost as good as it gets for a 16bit noise-shaped recording - within 1dB of the very best ....

YELLOWTEC - PUC  

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PC Sound Card
Pete Skirrow
REC-REPLAY AL@-18FS
Good as sound cards go, and the true accurate levels are nice, but noise performance falls short of best 16-bit by about 8dB.

Tested by recording to Creative Recorder. Note that noise is some 4dB ....

YELLOWTEC PUC D/A - PUC  

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PC Sound Card
Pete Skirrow
Replay only - CD2 44k AL@-18FS Noise-Shaped
Good as sound cards go, but not true 16-bit performance! The accurate output levels are very nice, but noise levels are around 4dB worse than 16-bit, even on this replay only test from a a ....

YELLOWTECH - PUC  

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AD/DA Convertor
Pete Skirrow
Output balance check
Major Problems! This test was made using a simple adaptor into the MiniSonic which loads each side of the left channel with 4.7k to ground and connects each side to the + input of a ....

YellowTEC - PUC2  

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PC Sound Card
Chris Skirrow
 
Tested by recording output from an MS20 using Adobe Audition and then playing the recording back to the MS20. This card is by far the best we've tested so far. ....
YellowTEC - PUC2  

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PC Sound Card
Chris Skirrow
16 bit 48kHz
....
YellowTEC - PUC2  

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PC Sound Card
Chris Skirrow
Tested using DigiSonic
DigiSonic uses a 16 bit interface to talk to the sound card. Therefore noise results are not correct. i.e. figures below -70 are not correct.....
YellowTEC - PUC2  

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PC Sound Card
Chris Skirrow
 
MS20 used to generate the sequence, DS10 used to log the results

Noise results are invalid.....
YellowTEC - PUC2  

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PC Sound Card
Chris
 
Sequence recorded from MS20 to Audition 5.5 using Yellow's ASIO driver. Recording was then saved in 16bit as a WAV with adaptive noise-shaped dither before being loaded back into Audition and played back to the ....
YellowTEC - PUC2  

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PC Sound Card
Chris
 
Sequence recorded from MS20 to Audition 5.5 using Yellow's ASIO driver. Recording was then saved in 16bit as a WAV with adaptive noise-shaped dither before being loaded back into Audition and played back to the ....
YellowTEC - PUC2  

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PC Sound Card
Chris
24 bit 48kHz
Sequence recorded and replayed using Audition 5.5 ....
ZOOM H2 - 2-Ch Flash Recorder  

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Microphone
Pete Skirrow
Internal Microphone test - Lindos Studio
Right channel mic is pointed at source to get on-axis response (red). Left channel shows off-axis response.

Low-frequency response is remarkably good for directional mics. The peak at 7kHz spoils the response and is typical ....
ZOOM H2 - 2-Ch Flash Recorder  

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Microphone
Pete Skirrow
Source in centre at 0.5m - Lindos Studio
Significant fall in bass response and a peak at 5kHz will spoil the sound. Compare with the on-axis/off axis result which shows a rise in bass and high-frequencies on-axis, but poor mid-range separation.....
ZOOM H2 - 2-Ch Flash Recorder  

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PC Sound Card
Pete Skirrow
Line-in with replay through line-out
Input level set to just allow +18dB headroom. Noise level is high - forget 24-bit, this falls 18dB short of 16-bit performance, and offers no better performance than is possible from some camcorders with correct ....

Zoom - H4n  

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Cassette Deck
Chris Skirrow
'Rec level' set to 1 on H4n
MS20 output level -28dBu. H4n rec level set to 1.

This very popular portable audio recorder does not perform well. 3dB down at 20Hz is not really acceptable. High levels of distortion above +8dB and ....
Zoom - H4n  

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Chris Skirrow
'Rec level' set to 1 on H4n
MS20 output level -28dBu. H4n rec level set to 1.

This very popular portable audio recorder does not perform well. 3dB down at 20Hz is not really acceptable. High levels of distortion above +8dB and ....
test - DR-680  

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AD/DA Convertor
pete
24-bit 48kHz in-out
Excellent results - this is the only flash recorder tested to achieve even 16-bit performance (-68dB noise with +18dB FS).

Input trim (gain settings) set to +2.0dB. Mix levels set to 100. Mix pans set ....