2-channel receiver, 3-speaker wiring?

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Flash21
Flash21 Posts: 316
edited January 2009 in Speakers
I have a bedroom system consisting of an old but nice Denon DRA-400 2-channel receiver with a pair of Cambridge minimonitors and a small subwoofer (non-powered). I am trying to figure out the best way to wire this system.

All 3 speakers have simple L/R connections, with no system crossovers. Right now I have the wiring for one of the monitors running through the subwoofer, which actually seems to work OK...but I am uncomfortable with what I assume is an asymmetric L/R impedance load for the receiver. Should the subwoofer instead be run off of the B speaker outputs somehow? Can I combine the B-speaker L and R wires at the subwoofer to get bass inputs from both channels?

Even though I have been in audio for 25 years I am a bit hesitant here as this is my first 3-speaker setup...I have run searches on this topic but am swamped by car audio and home theater questions.
Steve Carlson
Von Schweikert VR-33 speakers
Bel Canto eVo2i integrated amp
Bel Canto PL-2 universal disc player
Analysis Plus Oval Nine speaker cables and Copper Oval-In Micro interconnects
VH Audio Flavor 4 power cables
Polk Monitor 10B speakers, retired but not forgotten
Post edited by Flash21 on

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  • Flash21
    Flash21 Posts: 316
    edited January 2009
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    I tried running the sub off of the B speakers, with both L and R hooked up to the sub. It did OK, but the receiver seemed to get quite hot... not sure if this is unusual or not as I haven't run it that much last few years, but it seemed hotter quicker than I expected...I could just keep my hand on the cover over the heat sinks. This suggests that the above wiring idea might not be the best...any other suggestions?
    Steve Carlson
    Von Schweikert VR-33 speakers
    Bel Canto eVo2i integrated amp
    Bel Canto PL-2 universal disc player
    Analysis Plus Oval Nine speaker cables and Copper Oval-In Micro interconnects
    VH Audio Flavor 4 power cables
    Polk Monitor 10B speakers, retired but not forgotten