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Compact Mixer Reference Guide
MIXER SPECIFICATIONS: CHAPTER 12: POWERED MIXERS
Powered Mixer Specifi cations
406M, 408M, 408S, 808M, 808S
Mixer Section:
Frequency Response
Mic Input to Main Mixer Output (Trim at 0 dB):
+0, –1 dB, 32Hz to 20kHz
+0, –3 dB, 16Hz to 80kHz
Mic Input to Power Amp Output @ rated power out put:
+0, –1 dB, 32Hz to 20kHz
+0, –3 dB, 16Hz to 55kHz
Distortion THD and SMPTE IMD; 20Hz to 20kHz
Mic Input to Main Mixer Output:
< 0.005% @ +4 dBu out put
Mic Input to Power Amp Output:
< 0.15%, 250mW to rated power
Common Mode Rejection Ration (CMRR)
60 dB @ 1kHz, Trim @ 0 dB
Noise
20Hz to 20kHz BW (150 Ω source impedance)
Equivalent Input Noise (EIN):
–127 dBu
Residual Output Noise:
Main Mixer, Monitor, & Effects outputs Channel & Mas ter levels
off –95 dBu
Main Mixer Output Noise:
Master @ nominal (–10 dB), all channels off
–92 dBu
Master & 1 input channel @ nominal
(–10 dB & –20 dB), Trim @ 0 dB
–85 dB
Crosstalk
Adjacent Inputs or Input to Output:
–90 dB @ 1kHz
Fader Off
–90 dB @ 1kHz
Break Switch Mute
–80 dB @ 1kHz
Input Level Trim Control Range
0 to –40 dB
Phantom Power
+15V DC
Equalization
Rumble Reduction: 75Hz, –18 dB/octave
Channel EQ:
High ±15 dB @ 12kHz
Mid ±12 dB @ 2.5kHz
Low ±15 dB @ 80Hz
Graphic EQ (9 bands):
Q = 1.414, ISO octave centers
±15 dB
@ 63, 125, 250, 500 1k, 2k, 4k, 8k, 16k Hz
Main Mixer Section Rated Output
Main Mixer, Monitor, & Effects: +4 dBu
Maximum Main Mixer Section Output:+20 dBu
Maximum Input Levels
Mic Input: –20 dBu, Trim @ 0 dB (HI)
+20 dBu, Trim @ –40 dB (LOW)
Line Input: 0 dBu, Trim @ 0 dB (HI)
+40 dBu, Trim @ 40 dB (LOW)
Insert Input: +20 dBu
Stereo Line Input: +20 dBu
Tape Input: +20 dBu
Effects Return: +20 dBu
Power Amp In: +22 dBu
Input Sensitivity
Minimum Input Level to produce +4 dBu @ Main Mixer Out put
Mic Input: –68 dBu
Insert Input: –28 dBu
Line Input: –48 dBu
Stereo Line Input: –28 dBu
Tape Input: –18 dBu
Effects Return: –18 dBu
Maximum Voltage Gain
Mic Input to
Insert Output: 40 dB
Tape Output: 60 dB
Main Mixer Output: 72 dB
Line Input to
Insert Output: 20 dB
Tape Output: 20 dB
Main Mixer Output: 52 dB
Stereo Line Input to
Tape Output: 20 dB
Main Mixer Output: 32 dB
Tape Input to
Tape Output: 10 dB
Main Mixer Output: 22 dB
Effects Return to
Main Mixer Output: 22 dB
Monitor Output: 22 dB
Input Impedance
Mic Input: 3 kΩ, balanced
Insert Input: 10 kΩ, unbalanced
Line Input: 40 kΩ, balanced
Stereo Line Input: 10 kΩ, unbalanced
Tape Input: 10 kΩ, unbalanced
Effect Return: 10 kΩ, unbalanced
Power Amp In: 10 kΩ, unbalanced