provides two line level input connections for convenience when using
as two independent mono amplifiers.
6. Mic / Line Selector – Determines whether screw terminal inputs
accept Mic level (5mV) or Line level (775mV) signal level. If you are
not sure of your devices signal level, first use Line level. If signal level
is very low, set the output volume to the lowest setting and select the
Mic position. Then slowly increase the Channel Level Controls.
7. Left / Right Channel Level Controls – Independent controls set
output level for the amplifier. When the amplifier is operating in
bridged mono mode, only the right control is used.
8. Bridged / Stereo Mode Selector – Allows the unit to operate as a
stereo amplifier, with two channels each capable of 20W RMS output,
or as a single mono amplifier channel, with 40W RMS output.
9. Limiter ON/OFF Selector – Engages or disengages the input signal
limiter circuit for amplifier output protection. In the ON position, the
amplifier will automatically limit high input signal levels, which will
prevent the amplifier from distorting, and reduce potential harm to
speakers. In the OFF position, the amplifier operates in normal mode.
It should be noted that overall dynamic range will be reduced when
the limiter is ON, thus being the tradeoff that occurs when this feature
is utilized.
10. Bass Control – This control adjusts low frequencies centered at
100Hz, at a rate of ±10dB.
11. Treble Control – This control adjusts high frequencies centered at
10,000Hz, at a rate of ±10dB.
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