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4
Controls, Input and Output Cables:
The switches and gain settings are located behind a watertight plug,
which also lights up when the amplifier is on. Be sure to replace the plug
when finished with adjustments
1. The
INPUT LEVEL
switch selects the input sensitivity of the amplifier.
If you are connecting to a LINE level source (typically any RCA type
connection) then the switch should be in the LINE (out) position.
When connecting to loudspeaker outputs or headphone or high level
sources then set the switch to the SPEAKER (in) position.
2. The
POLARITY
switch allows the user to optimize bass performance in
the case that there are more than 1 set of loudspeakers producing
bass in the system. Play some music with strong bass content and
listen with the switch alternately in the
NORMAL
and
REVERSE
position until it can be determined which setting results in more
pleasing bass response. If in doubt, or if any interaction with other
speakers is unlikely, then leave the switch in the
NORMAL
position.
1
2
3
4
5
dB GAIN
MIN
MAX
+
