Alto HPA6 Manuel de l'utilisateur - Page 10

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Alto HPA6 Manuel de l'utilisateur
In some typical fields, the Direct In Input is more preferable. For example, it is often necessary to replay
a song for the performer in the stage, this can be easily and rapidly done via this Direct In jack even if in
the rack installation condition.
INPUT LEVEL(dBu)
INPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
24
24
0
12 CLIP
12
24
24
18
18
12
12
6 6
0
6 6
12
12
18
18
L
MUTE R
3
2
4
R
LTO
DIRECT IN
DIRECT IN
1
5
MONO
0
6
STEREO
INPUT GAIN
INPUT GAIN
MAIN SECTION
MAIN SECTION
Direct in

5.2 The HPA6 as Independent Power Amplifiers

In addition to use the HPA6 as the Headphone Amplifier, each of the 6-Channel's power amplifiers can also
be used independently. The Aux In Inputs in combination with the Balanced Control serve this application.
If the Balanced Control is set to "Aux" position (clockwise stop position), the Main signal is muted,
only the signals coming from Aux In Input are routed to the power amplifier.
By configuring the HPA6 as completely independent power amplifiers, you can insert up to six independent
stereo program sources, thus, six different and individual mixes for up to six musicians can be created.
As with a stage monitor system, you can give each musician a specific configuration of instruments and
create a personal mix for him or her that is musically inspiring. Or you can establish different signal paths
for the interpreters in a conference system. Configure sub-groups or create pre-mixes using the effects
and/or monitor facilities of your mixing console. Set the Balance Control to "Aux" position and connect the
Aux In Inputs of the HPA6 to the corresponding monitor, sub-group or single output of the console.
INPUT LEVEL(dBu)
INPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
24
24
18
18
12
12
6 6
0
6 6
12
12
18
18
24
24
0
12
12 CLIP
3
L
MUTE R
2
4
R
LTO
DIRECT IN
DIRECT IN
1
5
MONO
0
6
STEREO
INPUT GAIN
INPUT GAIN
MAIN SECTION
MAIN SECTION
AUX in 1

5.3 The HPA6 in Studio Application

Basically, the Aux In Inputs are used to feed a further input signal, which can be mixed with the Main/
Direct In signal via Balanced Control. The Balanced Control supersedes the previously required mon-
itor mixer and allows for an application that is frequently used in Studio field.
Typical example : Suppose a vocalist wants to record a vocal track that is to be added to already existing
instrumental tracks. Up to mow, it has been common practice that the vocalist listens to the playback by
pressing a headphone pad against one ear, while controlling his/her own voice with the another free ear.
out1
out2
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
4
2
4
24
24
0
12 CLIP
12
24
24
1
5
L
MUTE R
L
1
5
MAIN IN
AUX
0
6
MAIN IN
AUX
0
6
BALANCED
OUTPUT GAIN
OUTPUT GAIN
BALANCED
OUTPUT GAIN
OUTPUT GAIN
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
MONO
STEREO
CHANNEL 1
CHANNEL 1
CHANNEL 2
CHANNEL 2
program source
out1
out2
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
4
2
4
24
24
0
12 CLIP
12
24
24
5
1
L
MUTE R
1
5
MAIN IN
AUX
0
6
MAIN IN
AUX
0
6
BALANCED
OUTPUT GAIN
OUTPUT GAIN
BALANCED
OUTPUT GAIN
OUTPUT GAIN
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
MONO
STEREO
CHANNEL 1
CHANNEL 1
CHANNEL 2
CHANNEL 2
AUX in 2
AUX in 3
monitor paths
out3
out4
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
2
4
0
12 CLIP
12
24
24
0
12
12 CLIP
MUTE R
L
MUTE R
1
5
1
MAIN IN
AUX
0
6
AUX
0
6
BALANCED
OUTPUT GAIN
OUTPUT GAIN
BALANCED
OUTPUT GAIN
OUTPUT GAIN
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
MONO
MONO
STEREO
STEREO
CHANNEL 3
CHANNEL 3
CHANNEL 4
CHANNEL 4
out3
out4
3
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
2
4
0
12 CLIP
12
24
24
0
12 CLIP
12
L
MUTE R
L
MUTE R
MUTE
1
5
1
MAIN IN
AUX
0
6
AUX
0
BALANCED
OUTPUT GAIN
OUTPUT GAIN
BALANCED
BALANCED
OUTPUT GAIN
OUTPUT GAIN
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
MONO
MONO
STEREO
STEREO
CHANNEL 3
CHANNEL 3
CHANNEL 4
CHANNEL 4
AUX in 4
M
ixing
C
onsole
9
out5
out6
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
4
4
24
24
0
12 CLIP
12
24
24
0
12 CLIP
12
L
MUTE R
L
MUTE R
5
1
5
1
AUX
0
6
AUX
BALANCED
OUTPUT GAIN
OUTPUT GAIN
BALANCED
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
AUX IN
AUX IN
MONO
MONO
STEREO
STEREO
CHANNEL 5
CHANNEL 5
CHANNEL 6
CHANNEL 6
out5
out6
3
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
OUTPUT LEVEL(dBu)
2
4
4
24
24
0
12
12 CLIP
24
24
0
12
12 CLIP
CLIP
L
MUTE R
L
MUTE R
5
1
5
6
AUX
0
6
AUX
BALANCED
BALANCED
OUTPUT GAIN
OUTPUT GAIN
BALANCED
BALANCED
AUX IN
AUX IN
HEADPHONE OUT
HEADPHONE OUT
AUX IN
AUX IN
MONO
MONO
STEREO
STEREO
CHANNEL 5
CHANNEL 5
CHANNEL 6
CHANNEL 6
AUX in 5
AUX in 6
3
2
4
5
HPA6
0
6
6-Channel
6-Channel
OUTPUT GAIN
OUTPUT GAIN
HEADPHONE OUT
HEADPHONE OUT
HEADPHONE
ON
AMPLIFIER
OFF
POWER
3
2
4
1
5
HPA6
0
6
6-Channel
OUTPUT GAIN
OUTPUT GAIN
HEADPHONE OUT
HEADPHONE OUT
HEADPHONE
ON
AMPLIFIER
OFF
POWER