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

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

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:

±15 dB @ 12kHz

High

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

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 better 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.

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