Wiring and Connections
15
Mi Series Audio Controllers
Special Wiring Configurations
Auxiliary Amplifier Configuration
In some cases you may require more power for a given zone than the Mi Series Controller, or Carbon XA
can provide. You may purchase a DAS-LLC to provide a line level output to incorporate a larger external
amplifier, or you can make your own line level converter.
FIG. 4 shows the construction of a simple circuit of discrete components to reduce the "speaker level"
output of the Mi Series Controller to “line level" so that it can drive an auxiliary amplifier.
This amplifier would typically be installed at the equipment rack (head end).
FIG. 4 Auxiliary Amplifier Configuration
Mi Series Controller
Zone Output Terminal Connector
DATA
Ground (-)
Left Speaker
Right Speaker
Left RCA Jack to Amp Right RCA Jack to AMP
R1
R2
R3
R4
Left Speaker (+)
Right Speaker (+)
Left Speaker (-)
Right Speaker (+)
KP Series Keypad
R1, R3 = 47K 1/4 Watt Resistor
R2, R4 = 10K 1/4 Watt Resistor
Terminator
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