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APPENDIX C: MIX FX SERIES SPECIFICATIONS

Frequency Response

Mic Input to any Output (Trim at 0 dB):
+0, –1 dB,
10 Hz to 150 kHz
–3 dB,
10 Hz to 200 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 (150Ω source impedance)
Equivalent Input Noise (EIN): –129 dBu
Residual Output Noise:
Channel and Main Mix levels off
Main, Ctrl Room, Phones: –105 dBu

Common Mode Rejection Ratio (CMRR)

Mic In: 60 dB @ 1 kHz
Gain @ maximum

Crosstalk

Adjacent Inputs or Input to Output:
–90 dB @ 1 kHz

Input Gain Control Range

0 dB to +50 dB

Phantom Power

+48 VDC

Equalization

Mix.220FX:
High ±15 dB @ 12 kHz
Mid ±15 dB @ 2.5 kHz
Low ±15 dB @ 80 Hz
Mix.260FX (Mono Channels):
High ±15 dB @ 12 kHz
Mid ±15 dB, sweepable
from 100 Hz to 8 kHz
Low ±15 dB @ 80 Hz
Mix.260FX (Stereo Channels):
High ±15 dB @ 12 kHz
Mid ±15 dB @ 3 kHz
Mid ±15 dB @ 500 Hz
Low ±15 dB @ 80 Hz

Mixer Rated Output

Main, Aux, Control Room: +4 dBu
Maximum Rated Output: +22 dBu

Maximum Input Levels

Mic Input: +12 dBu,
Gain @ +10 dB
Line Input: +30 dBu,
Gain @ +10 dB
Tape Input and Aux Returns: +22 dBu

Input Impedance

Mic Input: 2.6 kΩ, balanced
Line Input: 20 kΩ, balanced
Stereo Aux Returns: 20 kΩ, balanced
CD/Tape In: 24 kΩ, unbalanced

Output Impedance

Main 240 Ω, balanced
120
Ω, unbalanced
Ctrl Room, Aux Sends: 120 Ω
Tape Output: 1 kΩ
Phones Output: 25 Ω

VU Meters

Main Left and Right
Mix.220FX
8 segments: Clip (+18), +10, +5, +2, 0, –2, –5, –20
0 LED = 0 dBu
Mix.260FX
12 segments: Clip (+18), +10, +7, +4, +2, 0, –2, –4,
–7, –10, –20, –30
0 LED = 0 dBu

AC Power Requirements

Power Consumption: 40 watts
U.S. 120 VAC, 60 Hz
Europe 240 VAC, 50 Hz
Japan 100 VAC, 50/60 Hz
Korea 220 VAC, 60 Hz
AC Connector: 3-pin IEC 250 VAC