Question about Sony STRDH810

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New STR-DH810: No tone or auto calibration subwoofer sound. I've tried all manual trouble shooting recommendations. I have attached a Zenith model SH22SF-WY 8 ohms, 100W subwoofer (no sound). I also tried a Panasonic model SB-W940, 4 ohms, 320W subwoofer with 4 ohms, 100W resister in series (no sound). I have changed the attached wires twice. All other speakers and functions work well. Both subwoofers are good with their respective system. By the way, this is the second Sony STR-DH810 with the same problem. Can STR-DH810 drive a subwoofer with no internal amp sys?

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User manual:
The SUB WOOFER RCA (see page 11 of the user manual) jack is the audio line out level, you need to feed it to Powered SUB-WOOFER speaker.

Hope it helps.

Posted on Mar 21, 2011


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