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402VLZ4
402VLZ4
Appendix C: Technical Information
Specifications
Main Mix Noise
(20 Hz–20 kHz bandwidth, 1/4" main out,
channels 1–2 gain @ unity, channel EQs flat,
stereo-pan button in.
Main mix knob down, channel level knobs
down: –103 dBu
Main mix knob unity, channel level knobs
down: –98 dBu
(102 dB Signal to Noise Ratio, ref +4 dBu)
Main mix knob @ unity, and channel level
knobs @ unity: –92 dBu
Total Harmonic Distortion (THD)
(1 kHz @ 35 dB gain)
20 Hz–80 kHz bandwidth <0.005%
20 Hz–20 kHz bandwidth <0.003%
Attenuation (Crosstalk)
(1 kHz relative to 0 dBu, 20 Hz–20 kHz
bandwidth, line in, 1⁄4" main out, gain @ unity.)
Main mix knob down: –70 dBu
Channel level knob down:
–94 dBu
Frequency Response
Mic Input to Main Output (Gain @Unity)
+0, –1 dB, 20 Hz to 50 kHz
+0, –3 dB, <10 Hz to >100 kHz
Equivalent Input Noise (EIN)
(Mic in to main out, max gain.)
150
termination: –128.5 dBu
20 Hz–20 kHz
Common Mode Rejection Ratio (CMRR)
1 kHz: better than –70 dB
Maximum Levels
Mic in: +21 dBu
Tape in: +24 dBu
All other inputs: +22 dBu
All outputs: +22 dBu
Impedances
Mic in: 2.55 k
Instrument input: 1 M
All other inputs: 10 k or greater
Tape out: 1.0 k
Phones output: 60
All other outputs: 120
EQ
High Shelving ±15 dB @ 12 kHz
Low Shelving ±15 dB @ 80 Hz
Power Consumption
8 watts
(H x W x D)
7.3" x 5.8" x 1.6"
(186 mm x 147 mm x 41 mm)
Weight
With power supply 3.0 lb (1.36 kg)
Without power supply 2.5 lb (1.1 kg)
Since we are always striving to make
our products better by incorporating new
and improved materials, components, and
manufacturing methods, we reserve the right
to change these specifications at any time
without notice.
The “Running Man” figure is a registered
trademark of LOUD Technologies Inc.
All other brand names mentioned are
trademarks or registered trademarks of
their respective holders, and are hereby
acknowledged.
©2014 LOUD Technologies Inc. All Rights
Reserved.
Correct disposal of this product. This symbol indicates that this product should not be disposed of with your household
waste, according to the WEEE Directive (2012/19/EU) and your national law. This product should be handed over to an au-
thorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type of waste
could have a possible negative impact on the environment and human health due to potentially hazardous substances that are
generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the
effective usage of natural resources. For more information about where you can drop off your waste equipment for recycling,
please contact your local city office, waste authority, or your household waste disposal service.