Carvin CX630 Instruction Manual - Page 11

POWER LED, PHANTOM POWER SWITCH AND LED, THE GRAPHIC EQUALIZER, The Frequencies, Adjusting

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EXTERNAL POWERED MAIN SPEAKERS PA CABINET MONITORS PATCHED TO MIXER POWER AMP 4 3 2 1 0 dB CHANNEL 5 6 7 2 121110 9 8 PA CABINET 19 22 30 50 POWER 13 15 17 PROTECT 4 3 5 2 1 0 dB 6 7 1 CHANNEL 121110 9 8 19 22 30 50 13 15 17 10. POWER LED The POWER LED indicates when the mixer is powered up. 11. PHANTOM POWER SWITCH AND LED The PHANTOM power switch turns on the microphone phantom power in the channel's XLR jack. This power is used for supplying a bias voltage to condenser microphones. The LED indicates the phantom power is turned on. The phantom power will not damage dynamic microphones. 12. THE GRAPHIC EQUALIZER Each mixer has a nine band graphic EQ (equalizer). The graphic EQ is dedicated to the main output following (or post) the amp patch jack of the mixer. The 9 band Graphic EQ provides a wide degree of tonal flexibility. The Frequencies: Here are some tonal reference ranges for the individual sliders to help relate the frequencies in hertz to perceived tonal changes. In order from left to right: -the 63 Hz slider effects deep sub bass levels. -the 125 Hz is typical bass adjustments. -the 250, 500 and 1K Hz are for low mid and high mid adjustments. -the 2K and 4K Hz are for lower treble adjustments. -the 8K and 16K Hz are for the very high treble adjustments. Adjusting: With the sliders in their center detent position, they do not affect the audio signal. When a slider is raised or lowered from the center position, it boosts and cuts respectively the level of a narrow frequency band assigned to that particular slider. It is recommended that all sliders are set in their center position before equalizing your tone. Typically low frequency feedback is in the 125 and 250 Hz range while high feedback is in the 2k and 4k Hz range. Occasionally one frequency (slider) of the equalizer will have to be pulled down to -12dB to stop feedback. If many of the sliders have to be pulled down to stop feedback, the placement of the speakers with respect to the microphones may need to be reconsidered. As much as possible try to have the main speaker facing away from and in front of the microphones, not on stage behind them. The graphic EQ is mainly used to "equalize" the response of the main room and reduce feedback from microphones. Don't be afraid to use the Graphic Equalizer, but take care not to over-adjust as this may put too much volume in one area of the frequency spectrum affecting the overall sound. MONITOR PATCH MAIN POWER TAPE SEND TAPE RETURN AMP PATCH MONITOR CX630 16K 8K SPEAKER OUTPUTS 4K 2K 1K GRAPHIC EQ RETURN TAPE EFF RTN 500 8 8 9 7 9 7 0 10 456 REVERB 0 10 456 PHANTOM 250 1 3 1 3 2 2 EFFECTS 125 8 8 SEND EFF SEND 9 7 0 10 4 56 MONITOR 9 7 9 8 7 0 10 4 56 0 10 45 6 MAIN +12 8 4 0 4 8 -12 63 1 3 1 3 2 2 1 2 3 MIC LINE LEVEL dB 20 8 8 8 9 7 9 7 9 7 9 6 9 6 9 6 6 0 10 45 6 0 10 MON 4 5 6 0 10 ERFEFV 4 5 6 12 12 03 12 12 1 3 1 3 1 3 9 2 2 2 6 LOW 3 MID 3 0 3 12 12 HI 3 0 3 6 9 6 9 6 MIC LINE LEVEL dB 20 8 8 8 9 7 9 7 9 7 9 6 9 6 9 6 5 0 10 4 56 0 10 MON 4 5 6 0 10 ERFEFV 4 5 6 12 12 3 0 12 12 1 3 1 3 1 3 2 2 2 9 6 LOW 3 MID 3 0 3 12 12 303 5 9 6 9 6 HI LEVEL dB 20 8 8 8 9 7 9 7 9 7 9 6 9 6 9 6 MIC LINE 4 0 10 456 0 10 MON 4 5 6 0 10 ERFEFV 4 5 6 12 12 3 0 12 12 1 3 1 3 1 3 9 2 2 2 6 LOW 3 MID 3 0 3 12 12 HI 3 0 3 4 9 6 9 6 MIC LINE LEVEL dB 20 9 8 7 9 8 7 9 8 7 9 6 9 6 9 6 3 0 10 4 56 0 10 MON 4 5 6 0 10 ERFEFV 4 5 6 12 12 3 0 12 12 1 2 3 1 2 3 1 2 3 9 6 LOW 3 MID 3 0 3 12 12 303 3 9 6 9 6 HI LEVEL dB 20 8 8 8 9 7 9 7 9 7 9 6 9 6 9 6 MIC LINE 2 0 10 456 0 10 MON 4 5 6 0 10 ERFEFV 4 5 6 12 12 3 0 12 12 1 3 1 3 1 3 2 2 2 9 6 LOW 3 MID 3 0 3 12 12 30 3 2 9 6 9 6 HI MIC LINE LEVEL dB 20 8 8 8 9 7 9 7 9 7 9 6 9 6 9 6 1 0 10 45 6 0 10 MON 4 5 6 0 10 ERFEFV 4 5 6 12 12 03 12 12 1 3 1 3 1 3 9 2 2 2 6 LOW 3 MID 3 0 3 12 12 HI 3 0 3 1 9 6 9 6 7 12

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CX630
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MON
LEVEL
MIC
5
4
3
2
1
0
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9
8
7
6
EFF
REV
LINE
HI
MID
LOW
0
3
6
12
3
6
9
9
12
dB
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MON
LEVEL
MIC
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EFF
REV
LINE
HI
MID
LOW
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dB
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LEVEL
MIC
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EFF
REV
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LINE
HI
MID
LOW
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dB
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MON
LEVEL
MIC
5
4
3
2
1
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10
9
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7
6
EFF
REV
20
HI
MID
LOW
0
3
6
12
3
6
9
9
12
dB
5
4
3
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MON
LEVEL
MIC
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9
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7
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EFF
REV
HI
MID
LOW
0
3
6
12
3
6
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9
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dB
5
4
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MON
LEVEL
MIC
5
4
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EFF
REV
HI
MID
LOW
0
3
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12
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dB
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GRAPHIC EQ
0
8
4
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–12
+12
125
250
500
63
1K
2K
4K
8K
16K
MAIN
PHANTOM
MONITOR
REVERB
EFF SEND
TAPE
EFF RTN
TAPE RETURN
TAPE SEND
SEND
MONITOR
MAIN
AMP PATCH
EFFECTS
RETURN
POWER
2
8
0
10
1
9
5
6
4
7
3
5
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SPEAKER
OUTPUTS
PA CABINET
PA CABINET
1
2
EXTERNAL POWERED MAIN SPEAKERS
MONITORS PATCHED TO
MIXER POWER AMP
MONITOR PATCH
10.
POWER LED
The POWER LED indicates when the mixer is powered up.
11.
PHANTOM POWER SWITCH AND LED
The PHANTOM power switch turns on the microphone phantom power in the
channel’s XLR jack.
This power is used for supplying a bias voltage to con-
denser microphones.
The LED indicates the phantom power is turned on.
The
phantom power will not damage
dynamic microphones.
12.
THE GRAPHIC EQUALIZER
Each mixer has a nine band graphic EQ (equalizer).
The graphic EQ is dedicat-
ed to the main output following (or post) the amp patch jack of the mixer.
The 9 band Graphic EQ provides a wide degree of tonal flexibility.
The Frequencies:
Here are some tonal reference ranges for the individual sliders to help relate the
frequencies in hertz to perceived tonal changes.
In order from left to right:
-the 63 Hz slider effects deep sub bass levels.
-the 125 Hz is typical bass adjustments.
-the 250, 500
and 1K Hz are for low mid and high mid adjustments.
-the 2K and 4K Hz are for lower treble adjustments.
-the 8K and 16K Hz are for the very high treble adjustments.
Adjusting:
With the sliders in their center detent position, they do not affect the audio sig-
nal.
When a slider is raised or lowered from the center position, it boosts and
cuts respectively the level of a narrow frequency band assigned to that particular
slider.
It is recommended that all sliders are set in their center position before
equalizing your tone.
Typically low frequency feedback is in the 125 and 250 Hz
range while high feedback is in the 2k and 4k Hz range.
Occasionally one fre-
quency (slider) of the equalizer will have to be pulled down to -12dB to stop
feedback.
If many of the sliders have to be pulled down to stop feedback, the
placement of the speakers with respect to the microphones may need to be
reconsidered.
As much as possible try to have the main speaker facing away
from and in front of the microphones, not on stage behind them.
The graphic
EQ is mainly used to “equalize” the response of the main room and reduce feed-
back from microphones.
Don’t be afraid to use the Graphic Equalizer, but take
care not to over-adjust as this may put too much volume in one area of the fre-
quency spectrum affecting the overall sound.