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Maximum Voltage Gain
Mic Input to
Insert Output: 50 dB
Tape Output: 60 dB
Main Output: 76 dB
Aux Send: 85 dB
Line Input to
Insert Output: 30 dB
Tape Output: 40 dB
Main Output: 56 dB
Aux Send: 66 dB
Stereo Line Input to
Tape Output: 20 dB
Main Output: 40 dB
Aux Send: 50 dB
Tape Input to
Main Output: 22 dB
Effects Return to
Main Output: 22 dB
Input Impedance
Mic Input: 3 kΩ, balanced
Line Input: 40 kΩ, balanced
Insert Input, Stereo Line Input, Tape Input, and
Effects Returns: 10 kΩ, unbalanced
Output Impedance
Main Output, Insert Output, Tape Output, and
Effects Sends: 150 Ω
Digital Effects
Resolution: 16-bit, 2-channel
Number of Presets: 16
Channel Level Set LED (Sensitivity)
0 dBu (normal operating level)
VU Meters
Main L/R
12 segments:
Clip (+16), +12, +8, +4, 0, –4, –8, –12, –16, –20, –24,
and –30
AC Power Requirements
100 – 240 VAC, 50/60 Hz, 30 watts
(Capable of operation from 85% to 110% of rated line
voltage.)
Disclaimer
Since we are always striving to make our products bet-
ter by incorporating new and improved materials,
components, and manufacturing methods, we reserve
the right to change these specifications at any time
without notice.
“Mackie.,” the “Running Man” figure, “DFX,” and “EMAC”
are trademarks or registered trademarks of Mackie
Designs Inc.
All other brand names mentioned are trademarks or
registered trademarks of their respective holders, and
are hereby acknowledged.
©2002 Mackie Designs Inc.
All Rights Reserved.
APPENDIX B: Technical Info
Specifications
DFX•6, DFX•12
Mixer Section
Frequency Response
Mic Input to any Main output (GAIN at 0 dB):
+0, –1 dB, 16 Hz to 30 kHz
Distortion
THD and SMPTE IMD; 20Hz to 20kHz
Mic Input to Main Output:
< 0.05% @ +4 dBu output
Noise
20Hz to 20kHz BW (150Ω source impedance)
Equivalent Input Noise (EIN):
–127 dBu
Residual Output Noise:
Main, Monitor, & Effects outputs
Channel & Master levels off
–95 dBu
Common Mode Rejection Ratio (CMRR)
60 dB @ 1kHz, Gain @ unity
Crosstalk
Adjacent Inputs or Input to Output:
–90 dB @ 1kHz
Fader Off
–90 dB @ 1kHz
Mute Switch and Break Switch Mute
–80 dB @ 1kHz
Input Level Trim Control Range
0 to +50 dB
Phantom Power
+48V DC on mono channels
Equalization
Low Cut: 75 Hz, –18 dB/octave
Channel EQ:
High ±15 dB @ 12kHz
Low ±15 dB @ 80Hz
Stereo Graphic EQ (5 bands):
Q = 1.414, ISO octave centers
±12 dB @ 60, 250, 1k, 3.5 k, 12 kHz
Mixer Rated Output
Main, 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