16
English
BASS
GAIN
OFF
+10
REMOTE
VOLUME
Ch1
Ch2
INPUTS A
+- +-
LEVEL
Ch2Ch1
0 0-40 dB -40 dB
-10-10
-6 -6
+-+-
70/100V
4-16 Ω
MODE
POWER AMPLIFIER
70/100V 4-16 Ω
AmPlus 50 amplifier controls
Figure 5
AmPlus 50 amplifier controls
All About The AmPlus
TM
50 Amplifier
Inputs – The AmPlus 50 amplifier comes with two balanced inputs. They can be left
and right from a stereo source; two mono sources can also be mixed. Since the
AmPlus 50 amplifier is a single channel amplifier, a stereo source is internally summed
to mono.
Level – Channel 1 level adjust – This potentiometer (pot) controls the signal level of the
Channel 1 input source.
Channel 2 level adjust – This pot controls the signal level of the Channel 2 input
source.
Bass Gain –
Use the bass gain pot to increase the output level between 50Hz
and
150Hz (affects 50Hz – 150Hz only). This is useful for compensating for poor bass
cabinet loading or high levels of low-frequency ambient noise.
Remote Volume – Connect the remote control unit to the zone 1 (+) pin and the
ground pin.
Power Amplifier Outputs – The 70/100V output is active when the amplifier Mode
Switch is in the 70/100V position. The 4Ω output is active when the amplifier Mode
Switch is in the 4Ω position.
Internal High Pass Switch – When this switch is in the “HPF ON” position, frequen-
cies below 150Hz are attenuated at 18dB/OCT. Use this switch for band-limiting high-
frequency speakers in a bi-amplified system.
Figure 6
Internal remote volume
switch
C
High Pass
Filter
EQ 1
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