Cary Audio Design SA-200.2 - Manual (Page 12)

CONTROLS AND DISPLAYS
CONNECTING TO A SUBWOOFER
The subwoofer should be connected to the preamplifier or processor through its low level
inputs.
Do not under any circumstances connect the amplifier to a subwoofer through its high
level (speaker) inputs. There is a potential of damaging the amplifier using this type
of connection due to differences in grounding schemes used by some subwoofer
manufacturers.
Failing to observe the following precaution will void your warranty.
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