Orion 250R & 275R, Owner'S Manual

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INPUT SECTION
The input section of the amplifier consists of separate phase switches that set output configuration, separate left and right gain
controls and RCA inputs. The input section makes it easy to adapt this amplifier to most system configurations
PHASE SWITCHES
The HCCA amplifier has separate left and right phase control switches. There are
six different setting combinations. Setting 1 is the factory configuration. Both left
and right channels are in Phase. Both left and right gain controls are active.
Setting 2 inverts the output of the right channel. The right channel is 180° out of
phase from the left channel. Both left and right gain controls are active. This
configuration is useful for Tri-mode operation. Additionally, inverting one channel
of satellite speakers can focus imaging.
Setting 3 inverts the output of the left channel. The left channel is 180° out of
phase from the right channel. Both left and right gain controls are active. This
configuration is useful for Tri-mode operation. Inverting one channel of satellite
speakers can focus imaging.
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