||5Hz to 38kHz, 3 steps (coarse) and 32 steps (fine) per
||Correct to 0.02% (200 ppm).
||32 spot frequencies synthesised over one octave,
repeating, multiplied by 2,4,8 etc.
||±0.03dB +26 to -60dBu, ±0.2 60 to 80dBu.
Laser-trimmed resistors and software error corrections stored in EPROM.
||±2% or ±2 W (whichever is
||100 to +26dBu in 1dB or 0.01dB steps.
||±0.05dB, 5Hz - 31.5kHz.
||Sine, square, triangular, sawtooth (positive and negative
going), DC+ and DC-. A double tone with 70Hz separation is also available at 1kHz.
||programmable frequency, level and duration (27 minutes
max. 100µs resolution). A series of tones or tone bursts can be easily programmed, and
can be made to repeat. Start on zero crossing.
||<-86dB (0.005%) 1kHz; <-86dB 400Hz, <-80dB (0.01%) 100Hz;
<-76dB (0.016%) 6.3kHz; (all rms, 2f - 22kHz bandwidth). Combined LA101/102
||L/R/L+R or Mute. Muted channel is automatically
terminated with selected impedance.
||10 W at rear XLRs. 75 W or 600 W selectable on front jack sockets. Balanced and
floating, separate resistors. Other output impedances available to special order.
||600 W at +20dBu one channel,
or +18dB both channels loaded.
||RIAA; CCIR 468; O41; 50µs de-emphasis; plus 5 user
programmable weighting curves.
||Over 60 predefined test sequences and 10 user
||47 selectable test segments for user assembly.
||Frequency Shift Keyed data transmitted over signal path,
||5 frequency and 5 level presets (user programmable)
||Any level can be set as a 0dB reference.
||Automatic level corrections for 600 W loading selectable.
|| selectable. Differential inputs, with L/R selection.
||100V rms, diode limited.
||-95 to +28dBu in 10dB ranges (autoranging/manual).
||RMS 2Hz-100kHz -3dB, 20Hz-40kHz -0.2dB.
||RMS 22Hz-22kHz, VU 22Hz-22kHz, RMS A Wtd, PPM, VU A Wtd.
|High pass filter
||400Hz with12dB/octave selectable.
|Audio band filter
||selectable with 22Hz 12dB/octave, 22kHz 36dB/octave.
||Numeric: 0.01dB steps. Bar graph: 0.2dB/pixel (default)
||±0.05dB +28 to -60dBu, ±0.2dB -60 to -80dBu
||Reciprocal counting 20Hz-20kHz, 4-5 digit readout
||±180º, 20Hz to 20kHz with ±2º accuracy (up to 40kHz
with reduced resolution).
||-105 to +8dBu in 10dB ranges.
||CCIR468-4 weighted quasi-peak.
||CCIR468-4 unweighted, RMS 22-22k, CCIR/ARM, CCIR RMS.
||-97dBu CCIR468 wtd, -107dBu RMS 22kHz.
||Weighted slow (IEC98) (on noise option 5). Unweighted
slow (IEC98) (on noise option 4).
||-117 to +8dBu, narrow band measurement, automatic freq.
selection. Measured with a two stage 12dB/oct bandpass filter. -1dB at 20% frequency
error, -10dB at one octave.
||100Hz, 315Hz, 1kHz, 6.3kHz, 10kHz, 40Hz. 400Hz instead of
315Hz available to order.
||80Hz-400Hz, 1.8kHz-21kHz and 12-21kHz bandpass.
||-117dBu at 1kHz, -111dBu at 6.3kHz typical.
||THD+Noise, relative, with automatic fundamental
measurement and filter frequency selection. Measured with a combined multi-stage notch and
high-pass filter. Frequency tolerance is ±1% for 70dB rejection. No nulling required and
the broad notch rejects flutter sidebands effectively. (-60dB @ +2%)
||100Hz, 315Hz (3rd harmonic), 1kHz, 6.3kHz, 10kHz, 40Hz.
|Input Level Range
||-60dBu to +28dBu, noise limits readings below 0dBu.
||Combined specification as for LA101 above.
||0.5dB at 2nd harmonic, 22kHz 36dB/octave band-limited.
|Wow & flutter
||-80dB to -20dB (0.01% to 10%).
||weighted quasi-peak to IEC386, DIN45507.
||Unweighted quasi-peak, weighted RMS, Unweighted RMS.
||40Hz notch, 400Hz HP, Wtd CCIR & Unwtd rms.
|Difference frequency dist.
||70Hz bandpass filter for 2nd order difference frequency
distortion measurement on double tone with 70Hz separation (1kHz-20kHz).
|FIM (Frequency Intermod.)
||To DIN45411 (3KHz/300Hz) to -60dB, 0.1%
||Responds automatically to all LA101 sequences.
|FSK speed tolerance
||±4% speed error allowed.
||With volume setting and listen switch.
||BNC 1V RMS output mid-scale and 0/+5V BNC sync. pulse.
||Elliptic design with 60dB rejection at 44kHz. This
permits valid distortion measurement on digital equipment despite sampling residue.
||Sweeps produce a graph on the display with cursor
readout, automatic scrolling and scaling facilities. Sequences produce a graph plus
several pages of data with quick access.
||Sequence results can be printed directly on an Epson
ESC/P, IBM or HP Deskjet compatible printer fitted with serial interface. Printout
includes high resolution frequency response graphs.
|Sequence results memories
||5 sequence memories allow later printout or analysis.
||5 user programmable tolerances in addition to 10
pre-programmed tolerances (Selftest, IBA, EPS81, EPS84, EPS98, Studer A812 etc)
|Test tape mode
||LA102 can automatically measure frequency response,
W&F and speed from a test tape, ignoring voice announcements and plotting an
interpolated graph between the spot frequencies it finds. External frequency sweeps can
also be used.
||All measurements meet quoted standards regarding
weighting curves, accuracy, and meter ballistics.
||The RS232 compatible serial interface provides complete
control of measurements and access to results using a comprehensive set of ASCII commands.
5 pin domino DIN sockets.
||Inputs: Opto-isolated, +2V threshold. Outputs ±5V.
Compatible with most RS232 and RS423 equipment. 8 data bits, 1 start bit, 1 stop bit, no
||75, 110, 150, 300 (default), 1200, 2400, 4800 and 9600
(19200 baud also available on LA102 output only). Split baud rates supported.
||216mm(W) × 88mm(H) × 258mm(D). Weight: 3kg (LA101 or
LA102).Display 71mm × 27mm.
||Mains 220-250V, 50-60Hz, 9VA, (110V option).
||Automatic mains recharge in 36 hours.
||10-40ºC operating, 10-30ºC for full distortion
||PO 1/4" Jack (B gauge, small tip) & XLR-3 at
||1 year. Fast repair/software recalibration service
||Lifetime technical support from Lindos via telephone
(usually 24 hours), fax, mail or e-mail
||Complies with the EMC directive (EN50081 & EN50082)
when used with connecting leads as prescribed in the LA100 handbook.
||Calibration either traceable to British National Standards
or derived by approved ratio techniques.
||2 years recommended.
||Lin4win running under Windows 3.x or Windows 95 is
supplied with each LA100. Connecting leads to a 9w D type serial port are included. 25w
leads and additional licences available on request