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To regulate multiple amplifiers with a single volume controller, follow these instructions:
1. Attach all three pins of the volume controller to the corresponding pins on the first
MPA152Plus unit only:
Ground ( ) to ground (G)
Vol/Mute to C
10 V to V.
2. Use jumper wires to connect the C (Volume and Mute) pins of the first amplifier and
each successive amplifier.
3. Use jumper wires to connect the ground pins of the first amplifier and each successive
amplifier.
VCG
10V 50m
A
VCG
10V 50mA
VCG
10V 50mA
10V
VOL/MUTE
Extron
VCM 100 AAP
Ext
ron
MP
A 152 Plus
Daisy Chain
Figure 6. Regulating Multiple Amplifiers with a Single Volume Controller
NOTE: The 10V pin of the volume controller connects to the first MPA 152 Plus
only. There are no jumper wires linking it to subsequent amplifiers.
MPA 152 Plus • Panels and Cabling 8