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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 flat,
Main Master Nom.)
Low Z = 42 dB (45.5)
Hi Z = 33 dB (30 dB)
Maximum Input Level:
Low Z Bal = +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:
1 octave
Filter Frequencies:
63, 125, 250, 500, 1 K, 2 K,
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:
Nom = 0 dBV (1.0 V RMS)
Max = 19 dBV (9 V RMS)
Output Level:
Nom = 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 mV RMS)
Min: -30 dBV (32 mV RMS)
Main Master at Nominal
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