27
Application 3 - Using The MPL 1204 As A Keyboard Submixer

Here, various keyboards and MIDI tone generators are connected to the channel line inputs of the MPL 1204. Signal

processors are connected to Aux sends and returns and to channel inserts as required. The Main output can then be

routed to a stereo input channel of a live performance or recording mixing console, with the performer having complete

control over the blend of signals being provided to the sound engineer.

MIDI KEYBOARD
MIDI KEYBOARD
LR
MIDI TONE GENERATOR
LR
MIDI TONE GENERATOR
SIGNAL PROCESSOR
SIGNAL PROCESSOR

IN

Ring Tip
L
R
L
R
SAMSON
MPL2242
MPL2242
MPL 1204 12 CHANNEL MIC MIXER
1/23/4
1
AUX RETURNS
STEREO INPUTS
UNBALANCED 10KΩ +4dBu
S / N
AVIS;
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
ON
OFF
~AC INPUT
115V/230V
50/60Hz, 25W
SAMSON
TRS
STEREO INPUT
TIP = LEFT
RING = RIGHT
SLEEVE = COM
TRS
BALANCED
TIP = HI
RING = LO
SLEEVE = COM
TRS INSERT
UNBALANCED
TIP = RETURN
RING = SEND
SLEEVE = COM
XLR
BALANCED
3 = LO
2 = HI
1 = COM
FUSE
1A/250V[115V]
0.5A/250V[230V]
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN !
115V/230 - 50/60 Hz 25W
POWER
RATING
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
2AUX SENDS
UNBALANCED <75Ω +4dBu
TAPE IN
UNBALANCED
10KΩ -10dBu
12 11 10987654321
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
1
1
2
2
3
3
MICROPHONE INPUTS BALANCED +4dBu TO -50dBu
LINE INPUTS BALANCED +24dBu TO -30dBu
CHANNEL INSERTS TIP RETURN -RING SEND -SLEEVE GND
BUS INSERTS
UNBALANCED 75Ω +4dBu
MIXER LINKING
4123
BUS OUTPUTS
UNBALANCED 75Ω +4dBu
4123
CONTROL ROOM
BALANCED <75Ω +4dBu
RIGHT LEFT
1
2
3
1
2
3
MAIN
BALANCED <75Ω +4dBu
POWER
L/11
R/12
RIGHT LEFT
Applications