30
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 ohm 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 outputs:
+28dBu
All other outputs:
+22dBu
Impedances
Mic in:
1.3 kilohms
Channel Insert return:
2.5 kilohms
All other inputs:
10 kilohms or greater
Tape out:
1.1 kilohms
All other outputs:
120 ohms
EQ
High Shelving:
±
15db @ 12kHz
Mid Peaking:
±
15dB, sweep 100Hz–8kHz
Low Shelving:
±
15db @ 80Hz
Low Cut Filter:
18dB/octave, –3dB @ 75Hz
Power Consumption
120VA.C., 50/60Hz, 50 watts
Fuse Ratings
120V:
1A Slo Blo, 5 x 20mm
220–240V:
0.5A Slo Blo, 5 x 20mm
Weight
20 lbs. (9.1kg)
17.9" (454.7mm)
11 rack spaces
17.6" (447.0mm)
10 rack spaces
13.0" (325.1mm)
8 rack spaces
8.7" (221.0mm)
5.0" (127mm)
19.0" (482.6mm)
5.6" (142.2mm)
6.0" (152.4mm)
17.3" (442.0mm)
9.3" (236.2mm)
6.6" (167.6mm)
1604 VLZ-PRO with pod normal
1604-VLZ PRO with pod to back
1604-VLZ PRO
with optional rotopod
1604-VLZ PRO
WEIGHT
20.0 lbs.
(9.1 kg)