Wiring and Connections
16
Mi Series Audio Controllers
Remote Amplifier Configuration
In some cases, especially where the distance between the Mi Series Controller and the zone is unusually
long, such as another building on the property i.e. cottage-to-boathouse for example, it is sometimes
desirable to have a remote amplifier at the zone end.
You may install a DAS-LLC to accomplish this task or you may build your own. FIG. 5 shows the
construction of a simple circuit of discrete components to reduce the Mi Series Controller output to
“line- level” so that it can be fed into an auxiliary amplifier.
2 Wire Configurations – Keypad for Control Only
In some retrofit configurations it is not feasible or possible to re-route the speaker cable through the
Keypad. In cases such as this, it is possible to run a separate cable pair (CAT- 3 / CAT- 5 / Twisted Pair)
cable from the Mi Series Controller to the Keypad device for control purposes. FIG. 6 shows the
connections of the control signal path to the Keypad, and the speaker connections to the Mi Series
Controller.
FIG. 5 Remote Amplifier Configuration
FIG. 6 2 Wire Configurations - Keypad for Control Only
Mi Series Controller
Zone Output Terminal Connector
Left RCA Jack to Amp Right RCA Jack to AMP
R1
R2
R3
R4
R1, R3 = 47K 1/4 Watt Resistor
R2, R4 = 10K 1/4 Watt Resistor
KP Series Keypad
+-- +
Left Right
Cat5/Cat3/Twisted Pair
LD G R
Zone Output Connector
(on Mi Series Controller)
Speaker Cable
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