Secondary Line In:
This stereo RCA input is for an input that will be normally on or
usually active. The amplifier will automatically switch to the Primary input
whenever a minimum 5mV signal is detected on either the Primary Line input or
on the Speaker Level input when the
Primary/Secondary
switch is set to Primary.
Secondary Line Out:
This pass-through stereo RCA output contains the original signal
from the Secondary Line input. Note that if using Speaker Level inputs for the
Secondary input, the signal will NOT be repeated on this output.
Time Delay:
This control sets the amount of time during which no signal is detected on
the Primary input before the amplifier switches back to the Secondary input. The
delay can be set to anywhere between 3 and 15 seconds.
Master Volume:
These controls are used to set both the maximum volume level for the
amplifier and the master balance setting. To set the maximum volume level, set
the
Volume
knob on the front panel to the Max position, then adjust these
controls for the loudest level you want and for proper balance. Thereafter, use
the
Volume
knob on the front panel to decrease volume from the maximum
possible level.
Stereo/Bridge:
Use this switch to determine whether the amplifier will drive two
channels or whether it will be bridged to form a single, larger mono amplifier.
Note that when using the amp in bridged mode, the speaker load needs to have
a minimum of 8 ohms impedance.
12VDC Trigger In:
This 3.5mm TS jack accepts a trigger input from another source.
The tip of the connector is positive (+) and the sleeve is negative (-). When the
Power Control
switch is set to the
Trigger
position, the presence of a 12VDC
trigger signal on this input will turn the amplifier on, while the absence of the
signal will turn it off.
12VDC Trigger Out:
This 3.5mm TS jack sends a 12VDC trigger signal when the
amplifier is turned on or off, which can be used to activate other equipment. The
tip of the connector is positive (+) and the sleeve is negative (-).
Power Control (Trigger/Auto-On/Normal):
The position of this switch determines the
method by which the amplifier is turned on and off. When set to the
Normal
position, the power switch on the front panel turns the amplifier on and off. When
set to the
Auto-On
position, the amplifier turns on when a signal is detected on
the input and turns off when no signal is present. When set to the
Trigger
position, the amplifier is turned on and off using a 12VDC trigger signal on the
12VDC Trigger In input. Note that the
Power
switch on the front panel must be in
the ON position for the Auto-On and Trigger modes to operate.
Speaker Out (A and B):
Use these five-way binding posts to connect up to two sets of
stereo speakers. The five-way binding post can accept bare speaker wire up to 7
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