16
AMPLUS™ 50 AMPLIFIER CONTROLS
BASS
GAIN
OFF
+10
REMOTE
VOLUME
Ch1
Ch2
INPUTS A
+- +-
LEVEL
Ch2Ch1
0 0-40 dB -40 dB
-10-10
-6 -6
+-+-
70V
4-16
MODE
POWER AMPLIFIER
70/100V 4-16
C
High Pass
Filter
EQ 1
Inputs - The AmPlus 50 amplifier comes with two balanced inputs. They can be left or right.
Two mono sources can also be mixed. Since the AmPlus 50 is a single channel amplifier, a
stereo source is internally summed to mono.
Level - Channel 1 level adjust - This potentiometer controls the signal level of the channel 1
input source.
Channel 2 level adjust - This potentiometer controls the signal level of the channel 2
input source.
Bass Gain - Use the bass gain pot to increase the output level between 50 Hz and 150 Hz.
This is useful for compensating for poor bass cabinet loading or high levels of low frequency
ambient noise.
Remote Volume - Connect the remote volume control unit to the zone 1 (+) pin and the
ground pin to control the overall level of the amplifier remotely.
Power Amplifier Outputs - The 70V output is active when the amplifier Mode Switch is in the
70V position. The 4Ω output is active when the amplifier Mode Switch is in the 4Ω position.
Internal High Pass Filter Switch - When this switch is in the HPF ON position, frequencies
below 150 Hz are attenuated at 18dB/Oct. Use this switch for bandlimiting high frequency
speakers in a bi-amplified system.
Ω