Question about Harman Kardon AVR 310 Receiver
You should consult the manuals for the receiver and the subwoofer to make sure you haven't connected the sub improperly. If the amp was working normally before you connected the sub, I would look at the sub hookup first. If the sub is a passive type, and you have connected it in parallel with your main speakers, the amp may not be able to handle the extra load. You may have to get another amp to drive the passive sub. If you have an active sub, you may not be using the right input/output connections between the amp and the sub inputs. Or, you may have hooked the sub up in a way that causes the amp to become unstable. Check the manuals. If you can't resolve it, come mback here with a lot more detail about your gear.
Posted on Oct 07, 2010
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Posted on Jan 02, 2017
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