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Appendix C: Specifications Frequency Response
Mic Input to any Output (Trim at 0 dB):
+0, –1 dB,
20 Hz to 20 kHz
–3 dB,
10 Hz to 80 kHz
Distortion
THD and SMPTE IMD; 20Hz to 20kHz
Mic Input to Main Output:
< 0.005%
@ +4 dBu output
Noise
20 Hz to 20 kHz BW (150 Ω source impedance)
Equivalent Input Noise (EIN): –128 dBu
Residual Output Noise:
Channel and Main Mix levels off
Main, Ctrl Room, Phones: –102 dBu
Aux 1 Monitor out –82 dBu
Aux 2 EFX out –92 dBu
Common Mode Rejection Ratio
(CMRR)
Mic In: 60 dB @ 1 kHz
Gain @ maximum
Crosstalk
Adjacent Inputs or Input to Output:
–85 dB @ 1 kHz
Input Gain Control Range
Mic In: +3 dB to +50 dB
Line In: –22 dB to + 25 dB
Phantom Power
+48 VDC
Equalization
Mono Channel EQ:
High ±15 dB @ 12 kHz
Mid ±15 dB 100 Hz–8 kHz
Low ±15 dB @ 80 Hz
Stereo Channel EQ:
High ±15 dB @ 12 kHz
Mid ±15 dB @ 2.5 kHz
Low ±15 dB @ 80 Hz
Mixer Rated Output
Main, Aux, Control Room: +4 dBu
Maximum Rated Output: +18 dBu
Maximum Input Levels
Mic Input: +18 dBu,
Gain @ +3 dB
Inst Input: +18 dBu,
Gain @ –22 dB
Stereo Line Input, Tape Input, and Aux Return:
+18 dBu
Maximum Voltage Gain
Mic Input to:
Main Output: 74 dB
Tape Output: 74 dB
Aux Sends: 74 dB
Control Room Output: 84 dB
Phones Output: 84 dB
Inst Input to:
Main Output: 49 dB
Tape Output: 49 dB
Aux Sends: 49 dB
Control Room Output: 59 dB
Phones Output: 59 dB
Stereo Line Input to:
Main Output: 20 dB
Tape Output: 20 dB
Aux Send: 20 dB
Control Room Output: 30 dB
Phones Output: 30 dB
Tape Input to:
Main Output: 10 dB
Tape Output: 10 dB
Control Room Output: 10 dB
Phones Output: 10 dB
Aux Return to:
Main Output: 20 dB
Tape Output: 20 dB
Aux Send: 20 dB
Control Room Output: 30 dB
Phones Output: 30 dB
Input Impedance
Mic Input: 2.3 kΩ, balanced
Inst Input: 1 MΩ
Stereo Line Input: 20 kΩ, balanced
Stereo Aux Returns: 20 kΩ, balanced
CD/Tape In: 24 kΩ, unbalanced
Output Impedance
Main, Ctrl Room, Aux Sends: 120 Ω
Tape Output: 1 kΩ
Phones Output: 25 Ω
Channel Level Set LED (Sensitivity)
0 dBu
(normal operating
level)
VU Meters
Main Left and Right
8 segments:
–24, –12, –4, 0, +4, +8, +12, Clip (+16)
0 LED = 0 dBu
AC Power Requirements
Internal Universal Power Supply, standard IEC
connector
Voltage Range:
100 VAC to 240 VAC, 50/60 Hz