20
Connecting External Amplifiers
If you are using an external amplifier for one or more zones, perform steps 1-4 below for
each external amplifier in the system.
1.
Plug one end of a stereo RCA cable into the input jacks on the back of the external
amplifier. Plug the other end into the appropriately numbered Preamp Output on
the back of the Master Controller/Amplifier.
2.
Connect one end of a speaker wire to the positive and negative terminals on the
left channel speaker. Connect the other end to the positive and negative left
channel speaker out terminals on the external amplifier. Ensure that the polarity is
properly maintained at each end.
3.
Connect the right channel speaker in the same way you connected the left channel
in step 2 above.
4.
Visually inspect each connection to ensure that there are no stray strands of wire
sticking out of any of the connections. If there are, fix the connection before
proceeding.
Connecting the Speaker Wires
For each zone that will be powered using the built-in amplifiers in the Master Controller,
perform steps 1-6 below.
1.
Pull on the Euroblock terminal block on the back of the Master Controller/Amplifier
to detach it from the device.
2.
Strip about 1/4" of insulation from the ends of each conductor on the speaker wires
for this zone. Twist the wire tightly so that there are no stray strands.
3.
Carefully insert the positive and negative conductors on each speaker wire into the
appropriate sockets in the Euroblock terminal. Tighten the screws on the terminal
block until there is a good, solid mechanical and electrical connection.
4.
Connect the other ends of each speaker wire to the positive and negative terminals
on each of the two speakers. Pay close attention to the polarity to ensure that it is
maintained at each end.
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