Appendix B • Speaker Configuration; Terminating The Speaker Cable - Extron electronics PoleVault PVS 305SA User Manual

Appendix B
Speaker Configuration
When setting up a speaker configuration, the correct speaker impedance loading
must be observed.
N By default, the amplifier is set for dual mono output. Use the Extron software or SIS (Extron
Special Instruction Set) commands to change the setting to stereo if desired.
Stereo output
AMPLIFIED OUTPUTS
Stereo L+
L
Stereo L–
Stereo or dual mono output using parallel speaker wiring
Mono +
Stereo L+
8 8
ohms ohms
Mono –
Stereo L-
4 Ohm Total Load

Terminating the speaker cable

To terminate the cable, strip the end of the cable 0.2 inch (5 mm) and secure the
wires into the supplied 4-pole captive screw connector.
B-2 PVS 305SA Switcher • Appendix B
8 Ohms
Stereo R+
R
Stereo R–
8 Ohm Load
AMPLIFIED OUTPUTS
2/4/8 Ohms
or
L R
or
Speaker 1
Audio output
to speakers
4-pole Captive
Screw Connector
AMPLIFIED OUTPUTS
4/8
Ohms
L R
PVS Switcher
Rear Panel
Dual mono output
AMPLIFIED OUTPUTS
8 Ohms
Mono +
L R
Mono –
Mono +
or
Stereo R+
8
ohms
Mono –
or
Stereo R-
4 Ohm Total Load
Speaker 2
Speaker wire color To PVS 305SA terminal
(Left and Right)
Red Positive (+)
Black Negative (-)
Mono +
Mono –
8 Ohm Load
Two 8 ohm speakers
wired in parallel
equal a 4 ohm load.
8
ohms