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4. APPLICATIONS
USING THE MAIN IN CONNECTORS
First connect a signal source to the MAIN IN connectors on the rear panel of your
HPA6. Set the Input Gain (Main section) and the Balance control (Channel section)
on center position. Output gain of each channel must be turned down at this stage.
Check the input level Meter for optimal operation as described earlier on in this
Manual. Connect the headphones you want to use and start to raise the output gain
of each channel for the desired listening volume.
INPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
24 18 12
6
0
6
12 18
24 0
12 CLIP
L
MUTE
R
3
2
4
MAININ
R
BALANCED
LTO
DIRECT IN
1
5
AUX IN
MONO
0
6
STEREO
INPUT GAIN
MAIN SECTION
CHANNEL 1
TO MAIN INPUT
DIGITAL MIXER
USING THE AUX IN INPUTS
Y ou can playback a signal and feed in additional vocals through a microphone and
mixer/preamplifier connected into the AUX IN socket. Use the balance control to give
the vocalist the desired mix in between his voice and the playback signal. Use the
OUTPUT GAIN control to regulate the overall desired volume.
INPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
24 18 12
6
0
6
12 18
24 0
12 CLIP
3
L
MUTE
R
2
4
MAININ
R
BALANCED
LTO
DIRECT IN
1
5
AUX IN
MONO
0
6
STEREO
INPUT GAIN
MAIN SECTION
CHANNEL 1
TO MAIN INPUT
DIGITAL MIXER
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
4
2
4
24 0
12 CLIP
24 0
L
MUTE
R
L
MUTE
1
5
1
5
0
6
0
6
AUX
MAININ
AUX
OUTPUT GAIN
BALANCED
OUTPUT GAIN
HEADPHONE OUT
AUX IN
HEADPHONE OUT
MONO
STEREO
CHANNEL 2
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
2
4
4
24 0
12 CLIP
24 0
12 CLIP
L
MUTE
R
L
MUTE
R
1
5
1
5
0
6
0
6
AUX
MAININ
AUX
OUTPUT GAIN
BALANCED
OUTPUT GAIN
HEADPHONE OUT
AUX IN
HEADPHONE OUT
MONO
MONO
STEREO
STEREO
CHANNEL 2
AUX SEND
L-6
R
LTO
2
1
2
1
6-CHANNEL MIXING CONSOLE
3
3
DIGITAL EFFECTS
WITH
L-6 MIXER
3
3
OUTPUT LEVEL(dBu)
2
4
2
4
12 CLIP
24 0
12 CLIP
R
L
MUTE
R
1
5
1
5
0
6
0
6
MAININ
AUX
MAININ
AUX
BALANCED
OUTPUT GAIN
BALANCED
OUTPUT GAIN
AUX IN
HEADPHONE OUT
AUX IN
HEADPHONE OUT
MONO
MONO
STEREO
STEREO
CHANNEL 3
CHANNEL 4
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
2
4
4
24 0
12 CLIP
24 0
L
MUTE
R
L
1
5
1
5
0
6
0
6
MAININ
AUX
MAININ
AUX
BALANCED
OUTPUT GAIN
BALANCED
OUTPUT GAIN
AUX IN
HEADPHONE OUT
AUX IN
HEADPHONE OUT
MONO
STEREO
CHANNEL 3
CHANNEL 4
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
4
2
24 0
12 CLIP
24 0
12 CLIP
L
MUTE
R
L
MUTE
R
1
5
1
0
6
0
MAININ
AUX
MAININ
AUX
BALANCED
OUTPUT GAIN
BALANCED
OUTPUT GAIN
AUX IN
HEADPHONE OUT
AUX IN
HEADPHONE OUT
MONO
MONO
STEREO
STEREO
CHANNEL 5
CHANNEL 6
3
3
OUTPUT LEVEL(dBu)
2
2
4
12 CLIP
24 0
12 CLIP
MUTE
R
L
MUTE
R
1
5
1
0
6
0
6
MAININ
AUX
MAININ
AUX
BALANCED
OUTPUT GAIN
BALANCED
OUTPUT GAIN
AUX IN
HEADPHONE OUT
AUX IN
HEADPHONE OUT
MONO
MONO
STEREO
STEREO
CHANNEL 5
CHANNEL 6
3
HPA6
4
5
6-CHANNEL
6
HEADPHONE
ON
AMPLIFIER
OFF
POWER
HPA6
4
5
6-CHANNEL
HEADPHONE
ON
AMPLIFIER
OFF
POWER
5
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