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SW-4SPKR
Impedance Compensating Speaker Selector
Rev. B
Amplifier
Inputs
L-
L+
R
-
R
+
4
L-
4
L+
4
R
-
4
R
+
3
L-
3
L+
3
R
-
3
R
+
2
L-
2
L+
2
R
-
2
R
+
1
L-
1
L+
1
R
-
1
R
+
Speaker Outputs
Model
SW-4SPKR
Manufactured by
OEM Systems Co.
Speaker Selector System
Amplifier
Protection
Engage When Using
Multiple Speakers
Off
On
SW-4SPKR
1
2
3
4
Room 1
speaker pair 1
Room 2
speaker pair 2
Room 3
speaker pair 3
Room 4
speaker pair 4
speakers
amplifier / receiver
Typical 4 Room Block Diagram
Wiring Diagram
(Impedance Matching Volume
Control Recommended)
In
Out
Connection
Connect the speakers to the speaker selector as shown
in the diagrams. Then connect the amplifier output to
the input of the speaker selector. Use care to maintain
proper polarity on all connections. A loss of fidelity will
occur if speakers are wired out of phase.