6
Specifications
Main Mix Noise
(20Hz–20kHz bandwidth,
1
/
4
" Main Out, channel
Trims @ unity gain, channel EQs flat, all channels
assigned to Main Mix, odd channels panned left,
even channels panned right)
Main Mix fader unity, channel faders down:
–86.5dBu (90dB Signal to Noise Ratio, ref +4dBu)
Main Mix fader @ unity, channel faders @ unity:
–84.0dBu
Total Harmonic Distortion (THD)
1kHz @ +14dBu:
20Hz–20kHz
Mic in to Main out:
below 0.0007%
Attenuation (Crosstalk)
(1kHz relative to 0dBu, 20Hz–20kHz bandwidth,
Line in,
1
/
4
" Main Out, Trim @ unity)
Channel Mute switch engaged:
–84dBu
Channel Gain knob down:
–84dBu
Frequency Response
Mic input to any output
20Hz to 60kHz:
+0dB/–1dB
20Hz to 100kHz:
+0dB/–3dB
Equivalent Input Noise (EIN)
Mic in to Insert Send out, max gain
150
Ω
termination:
–129.5dBm unweighted
Common Mode Rejection (CMR)
Mic in to Insert Send out, max gain
1kHz:
better than 90dB
Maximum Levels
Mic in:
+22dBu
All other inputs:
+22dBu
Main Mix
1
/
4
" TRS and XLR outputs: +28dBu
All other outputs:
+22dBu
Impedances
Mic in:
1.3 k
Ω
Channel Insert return:
2.5 k
Ω
All other inputs:
10 k
Ω
or greater
Tape out:
1.1 k
Ω
All other outputs:
120
Ω
3 band EQ (Channels 1 - 8)
High Shelving:
±15db @ 12kHz
Mid Peaking:
±15dB, sweep 100Hz–8kHz
Low Shelving:
±15db @ 80Hz
Low Cut Filter:
18dB/octave, –3dB @ 75Hz
4-band EQ (Channels 9 - 16)
High Shelving:
±15db @ 12kHz
Hi Mid Shelving:
±15dB, 3kHz
Lo Mid Shelving:
±15dB, 800Hz
Low Shelving:
±15db @ 80Hz
Low Cut Filter (Ch9-12):
18dB/octave, –3dB @ 75Hz
Power Consumption
120VA.C., 50/60Hz, 40 watts
Fuse Ratings
120V:
1A Slo Blo, 5 x 20mm
220–240V:
0.5A Slo Blo, 5 x 20mm
Weight
18.2 lbs. (8.3kg)
Rack mounting
Optional rack ears are available which will allow the
1642-VLZ PRO to be mounted in a standard 19" rack.
Allow ten rack spaces for the unit, and allow two
empty rack spaces on top for room to plug things in.
