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Line Input: The line audio input is a sensing input
that will activate the amplifier when an audio signal
from a source is present. Only the Left input is used
for bridged mode operation.
Gain Controls: Left and Right gain controls inde-
pendently adjust the sound level for each channel.
When in bridged mode only the Left control is used.
Delay Time: The delay can be adjusted from about
5 seconds to 5 minutes. When an audio signal is
not present, this delay setting will automatically
switch the amp to the Default input mode after the
preset period of time.
12VDC Trigger In/Out: The 12V Trigger In con-
trols the amplifier switching from the default input
(distributed audio system) to a local source. The
Trigger Out provides 100mA 12V max. This can be
used to drive other 12V triggered devices. The
delay and audio sensing are bypassed when the
12V trigger input is used.
Stereo/Bridge Mono Switch: Sets the pair of
amplifier channels for stereo or bridged mono oper-
ation.
Default Input: The default input is a speaker-level
passthrough from the default input to the speaker
output.
Speaker A/B Outputs: The A and B speaker out-
puts are in parallel to the amplifier output. The mini-
mum load in stereo mode is 4 ohms. This can be
used to drive up to 2 pairs of 8-ohm speakers or 1
pair of 4-ohm speakers. The minimum load imped-
ance for bridged mode operation is 8 ohms,
Speaker B only.
AC Input: The AC voltage input for the North
American model is 120VAC at 60Hz (for the
European model, 230VAC at 50Hz). This receptacle
accepts a 3-prong IEC 320 type connector. A
detachable 3-terminal power cord is included.
Amplified Input: The amplified input accepts
speaker level signals and is a sensing input that will
activate the amplifier when an audio signal is
present.
Video Input: The Video Input is a sensing input that
activates the R235LS when a video signal is
present.
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R235LS AMPLIFIER
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