SPECIFICATIONS
NOTE: All specifications are
typical unless otherwise noted.
0 dBV = 1 Volt
0 dBV = .778 Volt
All specifications are referenced
to nominal output level (0 dBV)
unless otherwise noted. All
measurements are wideband
20 Hz to 20 kHz unless other¬
wise stated.
CHANNEL
Equivalent Input Noise:
-116 dBV (150 Ohm.
25 Degrees C., 30 dB Gain)
(Mic input to Channel Pre send)
-115.75 dBV @ 45.5 dB Gain
-116.5 dBV @ 30 dB Gain
Frequency Response:
+0. -3 dB. 20-20.000 Hz all EQ
Flat
Distortion:
Less than .05% @ 0 dB Output
40 dB Gain
Typical .01% @ 0 dB Output
30 dB Gain
(Mic input to Main output. EQ
flat, Main Master nominal)
Input Impedance:
Low Z Bal = 3 K Ohms
High Z In = 200 K Ohms
High EQ:
±15 dB @ 10 kHz Minimum
Detent flat ±2 dB
Mid EQ:
±12 dB @ 600 Hz Minimum
Center Detent flat ± 2 dB
Low EQ:
±15 dB @ 50 Hz Minimum
Center Detent flat ±2 dB
Minimum Preamp Gain:
-50 dB
Maximum Channel Gain:
(Level @ Max. EQ Mat. Main
Master Norn.)
Low Z - 42 dB (45.5)
Hi Z = 33 dB (30 dB)
Maximum Input Level:
Low Z Ba! = +2 dBV
(1.0 V RMS) (.5 V)
High Z In = +5.5 dBV
(3 V RMS)
Nominal Input Level:
Low Z Bal - -24.5 dBV
(47 mV. -26.5 dBV) (-30 dBV)
High Z In = -16 dBV (126 mV,
-18 dBV)
GRAPHIC EQUALIZER
(All sliders flat, 1.0 V RMS
unless noted)
Filter Bandwidth:
I octave
Filter Frequencies:
63. 125. 250, 500, 1 K.2K,
4 K. 8 K. 16 K. Hz (ISO Stds.)
Filter Q:
1.57
Maximum Boost & Cut:
±12 dB
Distortion:
Less than .06%
Frequency Response:
5 Hz to 40 kHz ±1 dB
Input Level:
Mom = 0 dBV (1.0 V RMS)
Max = 19 dBV (9 V RMS)
Output Level:
Mom = 0 dBV (1.0 V RMS)
Max = 19 dBV (9 V RMS)
Input Impedance:
20 K ohms
Output Impedance:
100 ohms
MASTER
Nominal Output Level:
Main: = +0 dBV (1.0 V RMS)
Monitor: = +0 dBV
(1.0 V RMS)
Tape: = +0 dBV (1.0 V RMS)
Effects: = +0 dBV
(1.0 V RMS)
Maximum Output Level:
Main: = +18 dBV (8 V RMS,
+20 dBV)
Monitor: = +18 dBV
(8 V RMS. +20 dBV)
Tape: = +18 dBV (8 V RMS.
+20 dBV)
Effects: = 18 dBV (9.0 V RMS.
+20 dBV )
Nominal Headroom:
Main: = 18 dB
Monitor: = 18 dB
Tape: = 18 dB
Effects: = 18 dB
Output Impedance:
Main: = 100 ohms
Monitor: = 100 ohms
Tape: = 100 ohms
Effects: High = 1000 ohms
Low = 2000 ohms
Output Noise:
Residual: -94 dBV (Main Master
Down)
Bus: -90 dBV
(All Channel Levels full
CCW. Effects Returns
Down, EQ High)
Nominal: -77.5 dBV (85 dBV
Open)
(All channels at Nominal
Gain. 150 Ohm Input. EQ
Flat, Effects Returns down)
Effects Return Input Im¬
pedance:
200 K ohms
Aux Input Level:
Nominal: -16 dBV
(140 mV RMS) Main Master
at Nominal
Max: +5.5 dBV (3 V RMS)
Min: -30 dBV (32 mV RMS)
Main Master at Nominal
Tape Input Level:
Nominal: -16 dBV
(140 mV RMS) Main Master
at Nominal
Max: +5.5 dBV (3 V RMS)
Min: -30 dBV (32 V RMS)
Main Master at Nominal