PHONIC - Digitrack USB - AD/DA Convertor
LINDOS AUDIO SEQUENCE TEST PHONIC - Digitrack USB - AD/DA Convertor
SOURCE MS10 V3.0 Replay only from CD2 44.1k WAV file
23-Apr-06 05:55 PM TOLERANCE Lindos GradeA FAILED


FREQUENCY RESPONSE [u] 0dB
20Hz -0.75 -0.75 2
31Hz -0.25 -0.38 1
40Hz 0.00 -0.13 1
50Hz -0.12 -0.13 1
100Hz 0.00 -0.13 1
315Hz 0.00 -0.01 1
1k0 0.00 -0.01 1
6k3 0.00 -0.01 1
10k0 0.00 -0.01 1
12k5 +0.12 -0.01 1
14k0 0.00 -0.13 1
16k0 -0.12 -0.13 1
20k0 -1.12 -1.13 2
25k0 -16.12 -16.25
TEST LEVEL OUT 1kHz [t]
TL dB -10.53* -10.31* 1<1
DELms <100
NOISE ITU-468 Q-Pk REL [n]
WTD -60.05 -60.26 -60
DIST RES 1kHz WTD REL [r]/q
-20dB -40.37 -39.96* -40
0dB -59.48 -59.28 -45
+8dB -65.99 -65.90 -45
+12dB -68.48 -68.61 -45
+15dB -68.94 -68.91 -45
+18dB -39.66* -39.58* -45
PHASE R-L [z]
3k15 00.00 10
10k0 00.00 20
15k0 00.00 30


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 good, though some 6-8dB worse than the best 16-bit performance.
Slight overload apparent at +18dB. Manual tests show that this is not severe clipping but -23dB Dist Res @ +18dB and -50dB Dist Res @ +17dB. (SEQ3 has upper limit of -40).

This tiny USB device needs no software installation as it uses the generic driver in WinXP. Lower noise than most PC audio outputs, and claims to work at 32, 44.1 and 48ks/s.

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LA100 Testimonial

"If someone is looking for an accurate, reliable, economical, easy to use test system for audio quality test, Lindos is the answer for it.We have been using many of this unit (LA100) in our broadcast TV and FM Radio maintenance works and will continue using is for many years.

It is surely the best test gear for line, transmitter, amplifiers and other audio related equipment tests.We consider it a must have unit for out broadcast TV and FM Radio maintenance team."

Baithori Kamdi,
Broadcast Engineer,
Telecom Malaysia