Mackie CFX12

Frequency Response
Mic Input to any Output Trim at 0 dB
32Hz to 20kHz: +0, -1 dB,

Distortion
THD and SMPTE IMD; 20Hz to 20kHz
Mic Input to Main Output: < 0.05% at +4 dBu output

Noise
20Hz to 20kHz BW (150 Ohms source impedance)
Equivalent Input Noise (EIN): -127 dBu
Residual Output Noise Main, Monitor, and Effects outputs Channel and Master levels off: -95 dBu

Common Mode Rejection Ratio (CMRR)
at 1kHz, Trim at 0 dB 60 dB

Crosstalk
Adjacent Inputs or Input to Output: -90 dB at 1kHz
Fader Off: -90 dB at 1kHz
Mute Switch and Break Switch Mute: -80 dB at 1kHz

Input Level Trim Control Range
+6 to -50dB

Phantom Power
+48V DC

Equalization
Low Cut: 100Hz, -18dB/octave
Mono Channel EQ High: ±15dB at 12kHz
Mono Channel EQ Mid: ±15 dB at 100Hz to 8kHz
Mono Channel EQ Low: ±15 dB at 80Hz
Stereo Channel EQ High: ±15 dB at 12kHz
Stereo Channel EQ High Mid: ±15 dB at 3kHz
Stereo Channel EQ Low Mid: ±15 dB at 400Hz
Stereo Channel EQ Low: ±15 dB at 80Hz
Graphic EQ (9 bands): ±15 dB, Q =1.414: ISO octave centers at 63Hz, 125Hz, 250Hz, 500Hz, 1k, 2k, 4k, 8k, 16kHz

Mixer Rated Output
Main, Sub, Aux, & Efx: +4 dBu
Maximum Rated Output: +20 dBu

Maximum Input Levels
Mic input Trim at +6 dB: +18 dBu
Line Input Trim at -15 dB: +38 dBu
Insert Return, Stereo Line Input, Tape Input, and Effects Return: +20 dBu

Maximum Voltage Gain
Mic input to Insert Output: 50 dB
Mic input to Tape Output: 66 dB
Mic input to Sub Output: 66 dB
Mic input to Main Output: 76 dB
Mic input to Aux Send: 71 dB
Line Input to Insert Output: 30 dB
Line Input to Tape Output: 46 dB
Line Input to Sub Output: 46 dB
Line Input to Main Output: 56 dB
Line Input to Aux Send: 51 dB
Stereo Line Input to Tape Output: 40 dB
Stereo Line Input to Sub Output: 40 dB
Stereo Line Input to Main Output: 50 dB
Stereo Line Input to Aux Send: 45 dB
Tape Input to Main Output: 30 dB
Effects Return to Main Output: 30 dB

Input Impedance
Mic Input: 3 kilohms, balanced
Line Input: 40 kilohms, balanced
Insert Return, Stereo Line Input, Tape Input, and Effects Returns: 10 kilohms, unbalanced

Output Impedance
Main Output, Insert Output, Tape Output, Sub Output, and Effects Sends: 150 Ohms

Digital Effects
Resolution: 32-bit EMAC processing, 2-channel
Number of Presets: 16
Parameters: 2 controllable

Channel Level Set LED (Sensitivity)
0 dBu (normal operating level)

VU Meters
Main L/R 12 segments: Clip, +10, +7, +4, +2, 0, -2, -4, -7, -10, -20, -30
Weight: 8.1 kg