Specifications

18
SPECIFICATIONS & BLOCK DIAGRAM
Frequency Response (20Hz~20kHz @ +4dBu): +0/-0.3dB Phantom Power: +36VDC (7mA/channel)
THD + Noise (20Hz~20kHz @ +4dBu): < 0.03% Input Gain Range:
Equivalent Input Noise (20Hz~20kHz, 60dB gain, 150 ohm): -126dBu mic/line inputs (variable trim) -6dB to +63dB
Output Noise (20Hz~20kHz, main & 1 channel @ nominal): < -83dBu aux line inputs (selectable pad) -6dB or +6dB
Maximum Gain: Channel Equalization (model VRAMeq):
mic/line inputs to main & aux outputs 85dB low-frequency (shelving) ±9dB @ 100Hz
aux line inputs to main & aux outputs 28dB mid-frequency (variable peaking) ±9dB @ 220Hz~3.6kHz
Crosstalk (channel-to-channel @ 1kHz): < -95dB high-frequency (shelving) ±9dB @ 3.3kHz
Output Impedance: High-Pass Filter: 6dB/octave @ 110Hz
main & aux outputs (balanced) 200 ohms Automixing:
channel direct outputs (unbalanced) 560 ohms gate attack time (signal dependent) 4mSec min.
Input Impedance release time (variable) 200mSec to 2Sec
mic/line inputs (balanced) 6.6k ohms channel-off attenuation (variable) -10dB to -80dB
aux line inputs (balanced) 20k ohms NOM attenuation (doubling of active inputs) -3dB
Maximum Output: Feedback/Noise Improvement (8 channels) 9dB
main & aux outputs (balanced) +24dBu Power Consumption (115/230VAC 50/60Hz): < 27 watts
Maximum Input: Dimensions (HxWxD): 1.75”x19”x11” (44x483x279mm)
mic/line & aux line inputs +24dBu Weight: < 10 lbs. (4.55kg)
Channels 1~8
Aux Inputs 1 & 2
Main Output
Aux Output
Input
(mic/line)
phantom
power
EQ option
Direct
Out
gain
HPF
gain
gain
main
bus
threshold
detection
aux
bus
gate
gate
attenuator
peak
detect
Input
(line)
gain
gain
main
bus
threshold
detection
aux
bus
teleconf.
switch
pad
aux
bus
meter
detect
main
bus
Main
Output
Aux
Output
gain
meter
detect
gain
NOM
attenuator
Σ
count
threshold
Σ
expansion
in
expansion
out
central
microprocessor
meter
detect
meter
detect
gate
attenuator