DFX·12
12 CHANNEL INTEGRATED LIVE SOUND MIXER
+12 | +12 |
0 
0
250 | 1K |
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60 | 3.5K | 12K | ||
| MAIN | EQ | BYPASS |
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| AUX 1 |
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36. BREAK SWITCH
Engage the BREAK switch (as in
The CD/TAPE (11) input is still active, so you can play your intermission CDs or tapes through the main outputs. On the DFX•12, line level inputs 9 and 10, 11 and 12 are also still active, and are summed with the CD/ TAPE input. During an intermission, you could play keyboards or a second tape deck into these line inputs.
BREAK acts as a master mute switch for
your microphones, so it is useful when moving microphones around on stage. It does not
DIGITAL STEREO
| EFFECTS PROCESSOR | ||
| U | REVERSE |
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OO | +6 | GATE |
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| CATHEDRAL |
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(EFFECTS TO |
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STAGE MONITOR) | LG. HALL |
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| MD. HALL |
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| LG. PLATE |
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| MD. PLATE |
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| SM. ROOM |
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| U |
OO | +6 | OO | +6 |
AUX 1/MON SEND | AUX 2/EFX SEND | ||
AUX 1 | MUTE | AUX 2/EFX | MUTE |
RETURN | RETURN | ||
dB |
| dB |
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10 |
| 10 |
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5 |
| 5 |
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U |
| U |
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5 |
| 5 |
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10 |
| 10 |
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20 |
| 20 |
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30 |
| 30 |
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40 |
| 40 |
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50 |
| 50 |
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60 |
| 60 |
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OO |
| OO |
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BYPASS 
LEVEL SET 
DELAY 1
DELAY 2
DELAY 3
DELAY 4
CHORUS
FLANGE
PHASER
SPRING
VOCAL
ELIMINATOR
BREAK
SWITCH
(MUTES ALL MIC CHANNELS)
CD/TAPERETURN 
MUTE
dB
10
5
U 
5
10
20
30
40
50
60
OO
mute the AUX 1 (7) or AUX 2 (8) outputs, so turn down the master AUX SEND (41, 38) knobs if desired.
37. VOCAL ELIMINATOR SWITCH
This switch allows you to eliminate the vocals from any CD or Tape selection playing in the CD/TAPE (11) inputs.
In the UP position, the CD or Tape signals are not affected. In the DOWN position, any vocals which are centered in the normal stereo image will be attenuated.
The circuit design uses phase cancellation of the vocal frequency range between the left and right channels. The effect is most noticeable on music material which has the vocals panned dead center.
38. AUX 2/EFX SEND
Effects send signals are derived by each channel’s AUX 2/EFX (22) control, summed together, then sent through this master con- trol. It allows you to simultaneously adjust the signal levels out to the AUX 2/EFX SEND (8) output, and to the EMAC effects processor.
Turned fully up, it provides 6 dB of gain, “U” is unity gain, and fully down is off.
Use the individual channel AUX 2/EFX controls to adjust the amount of each channel’s signal you want to go to the AUX 2/ EFX SEND or EMAC. Then use this master control to make sure the EMAC’s LEVEL SET LED (39) never lights more than occasionally.
39. LEVEL SET LED
This indicates when the EMAC is 6 dB below clipping. Just like the channel LEVEL SET LEDs (17), this should only light occasionally. If it blinks frequently, you should turn down the AUX 2/EFX SEND (38) control a little. If this LED never blinks, then turn the control up.
16