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POSSIBLE SYSTEM CONFIGURATIONS
The R275HC can be configured for large autoformer-
based volume control systems/speaker selectors. When
using the R275HC for this application, set the Low Cut
switch to the “On” position. Turning this filter “on”
enables a filter that reduces the low frequency energy
which protects the volume controls/speaker selectors
and increases the efficiency of the system.
CAM6.6
RCA Cable
Speaker Cable
R275HC Amplifier
CAM6.6T Controller
Speaker Cable
8-ohm Speaker
8-ohm Speaker
R275HC AMPLIFIER
The R275HC can also be configured as a power upgrade for specific zones, for use with large speaker selectors and
for long series-parallel speaker runs (e.g., outdoor zones).
INPUT
EXPANSIONS
SPEAKERS SPEAKERS
SPEAKERS SPEAKERS
RUSSOUND
INPUT
EXPANSIONS
SPEAKERS SPEAKERS
SPEAKERS SPEAKERS
RUSSOUND
Line out from Source
Low Cut switch
in “On” position
Autoformer-based
volume control
EZB-1SC Modular
Connecting Block
IN
8-ohm Speaker