21
Repair
For warranty service, refer to the warranty
information on page 22.
Non-warranty service for Mackie products is
available at a factory-authorized service cen-
ter. To locate your nearest service center, visit
www.mackie.com, click “Support” and select
“Locate a Service Center.” Service for Mackie
products living outside the United States can
be obtained through local dealers or distribu-
tors.
APPENDIX B: Technical Info
Specifications
CFX12, CFX16, CFX20 MKII
Mixer Section
Frequency Response
Mic Input to any Output (Gain at 0 dB):
+0, –1 dB, 32 Hz to 20 kHz
Distortion
THD and SMPTE IMD; 20 Hz to 20 kHz
Mic Input to Main Output:
< 0.05% @ +4 dBu output
Noise
20 Hz to 20 kHz BW
(150
Ω
source impedance)
Equivalent Input Noise (EIN):
–127
dBu
Residual Output Noise:
Main, Monitor, and Effects outputs
Channel & Master levels off
–95
dBu
Common Mode Rejection Ratio (CMRR)
60 dB @ 1 kHz, Gain @ 0 dB
Crosstalk
Adjacent Inputs or Input to Output:
–90 dB @ 1 kHz
Fader Off
–90 dB @ 1 kHz
Mute Switch and Break Switch Mute
–80 dB @ 1 kHz
Input Gain Control Range
Mono Channels
Mic In:
+5 dB to +50 dB
Line In:
–15 to +30 dB
Stereo Channels
Line In:
–20 to +20 dB
Phantom Power
+48V DC
Equalization
Low Cut:
100Hz, –18 dB/octave
Mono Channel EQ:
High
±15 dB @ 12 kHz
Mid
±15 dB @ 100 Hz to 8 kHz
Low
±15 dB @ 80 Hz
Stereo Channel EQ:
High
±15 dB @ 12 kHz
High Mid
±15 dB @ 3 kHz
Low Mid
±15 dB @ 400 Hz
Low
±15 dB @ 80 Hz
Graphic EQ (9 bands):
Q = 1.414, ISO octave centers
±15 dB @ 63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k Hz
Mixer Rated Output
Main, Sub, Aux, & Efx:
+4 dBu
Maximum Rated Output:
+20 dBu
Maximum Input Levels
Mic Input:
–28 dBu, Gain @ +50 dB
+18 dBu, Gain @ +6 dB
Line Input:
–8 dBu, Gain @ +30 dB
+38 dBu, Gain @ –15 dB
Insert Input, Stereo Line Input, Tape Input, and
Effects Return: +20 dBu
If you do not have access to our website, you
can call our Tech Support department at 1-
800-898-3211, Monday-Friday, normal business
hours, Pacifi c Time, to explain the problem.
Tech Support will tell you where the nearest
factory-authorized service center is located in
your area.
