Extron electronics MPA 152 Plus User Manual page 14

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.
VOL/MUTE
Extron
VCM 100 AAP
10V
Extron
MPA 152 Plus
Daisy Chain
V C G
10V 50mA
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.
V C G V C G
10V 50mA 10V
MPA 152 Plus • Panels and Cabling
50mA
8