Subwoofer not active -help - AVS Forum
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Old 07-20-2014, 10:18 PM - Thread Starter
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Subwoofer not active -help

hello,

I have a Pioneer SC-75 along with an awesome crystal clear B&W speakers, very happy.

However the sub-woofer does not play.

It passes all the setup and auto tune with the microphone auto tuning. I get a thud when it switches on however no bass etc with the music and movies. I went back to the shop but they were useless they could not switch there one either and suggested I come back tomorrow.

Any help appreciated,

thanks

Keith
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Old 07-21-2014, 05:10 PM
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What subwoofer?

Are all speakers set to "small" in your receiver?

Where is the crossover set on the sub and in the receiver?
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Old 07-21-2014, 05:15 PM
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Quote:
Originally Posted by Keithwise View Post
hello,

I have a Pioneer SC-75 along with an awesome crystal clear B&W speakers, very happy.

However the sub-woofer does not play.

It passes all the setup and auto tune with the microphone auto tuning. I get a thud when it switches on however no bass etc with the music and movies. I went back to the shop but they were useless they could not switch there one either and suggested I come back tomorrow.

Any help appreciated,

thanks

Keith
Make sure you don't have any sort of "direct" mode on that bypasses DSP. I've found this bypasses the sub as well, for some reason.
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Old 07-23-2014, 04:05 PM
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Quote:
Originally Posted by rrskda View Post
Make sure you don't have any sort of "direct" mode on that bypasses DSP. I've found this bypasses the sub as well, for some reason.
because the receiver generates the crossovers to the sub in the digital domain rather than having 5 or 10 separate analog crossovers per channel to cover each potential crossover point. If you aren't doing DSP, you don't get anything from the left, right, center or surrounds redirected to the sub.
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bowers and wilkins , Pioneer , SC-75 , subwoofer
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