Question about Speakers & Subwoofers
I HAVE A MARANTZ SR-97 & DP870 WITH THE SUB CONNECTED THRU THE FRONT SPEAKER CHANNELS. THERE IS NO SUB RESPONSE. I ALSO TRIED TO RUN DIRECTLY FROM SUB OUT ON AMP, NO RESPONSE. WHEN RUNNING THE TEST TONE THRU THE AMP ALL SPEAKERS EXCEPT THE SUB RESPOND... CAN YOU HELP PLEASE?
It sounds like the sub is not auto turning on, or has no audio output, and or the sub driver itself has failed. Do you have a multimeter, and we can diagnose the unit? :)
Posted on Mar 02, 2008
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Aug 05, 2011 | Yamaha YST-SW45 Subwoofer
Mar 26, 2011 | Yamaha YST-RSW300 Subwoofer
Register and download the manuals for free at retrevo.com
See page E1 regarding placement and safety.
Page 44 - read about "humming".
If you have hum on the sub, is it there with and/or without the input cable attached?
Disconnect the input(s) and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights. Sometimes, simply reversing the orientation of the ac power plug can eliminate humming.
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