Question about Pioneer SX-315

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Distorted sound coming out of SW channel only

I have a Pioneer SX 316 Receiver system and all of a sudden the sound coming out of the SW is all distorted. I checked the speaker thinking it was blown and it is not the speaker but the channel itself. have you heard of such a thing

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Re: Distorted sound coming out of SW channel only

Yes ive heard of such a thing because just randomly my sx-316 decided to do that also
and im thinkin the amp is blown. my SW channel sounds as if its shorting yet ive checked all the wiring,polarities, and used 3 dif subs on it and all are the same result. The amp is built into the reciever so you cant modify the volts heading to the sub.

Posted on Oct 20, 2008

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Re: Distorted sound coming out of SW channel only

Try turnind down the sub from the amp itself it might be putting out more volts than the subs input can handle check your standing wave feature to make sure the trim is not up too high

Posted on Apr 02, 2008

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Many subwoofers accept both line level (RCA jacks) and amplified inputs (+ and - speaker terminals). The Pioneer SX-316 does not offer line level output, only amplified outputs via the PURPLE + and - speaker terminals. This means that in order to use any subwoofer with an SX-316, the sub woofer will need to accept a + and - speaker wire connections for input Your manual speaker connections are on page 11 of the manual which can be found here:

Starting at the rear of the SX-316; run a speaker wire from the PURPLE + and - terminal (SUBWOOFER) to the + and - speaker input terminals on the subwoofer. See your subwoofer manual or experiment (at your own risk) with connecting the speaker wire from the SX-316 to the subwoofer's + and - LEFT only, RIGHT only or BOTH left and right speaker inputs. Do not connect wires from the SX-316 to the speaker OUTPUT terminals of your subwoofer.

Finally, adjust any variable low pass filter knob or setting on the subwoofer to the lowest frequency that your main speakers are capable of producing. If you're not sure what that value is, try setting the subwoofer to 100Hz and judge how it blends with the main speakers. If it seems a little too bass heavy and thick then reduce the setting to 80Hz. On the other hand, if the sound seems to be slightly thin and lacking weight, try increasing the setting to 120Hz. By careful listening and a bit of patience you will be able to get the sound to seem balanced and well blended.

Good luck!

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