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I have a Yamaha YST-SW315 subwoofer power amp only detached from the unit I want to know what else I can use that detached amplifier for other than that unit which I have no longer?

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Anthony

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The Yamaha YST-SW315 subwoofer power amplifier is designed specifically for use with the YST-SW315 subwoofer. It may not be compatible with other subwoofers or audio equipment due to differences in impedance, power requirements, and signal levels. If you no longer have the YST-SW315 subwoofer, it is not recommended to use the power amplifier for other purposes. It is important to match the amplifier with the appropriate load (speaker) and signal source to avoid damaging the equipment or creating a safety hazard. Using the amplifier for other purposes may also void any warranty or insurance coverage.

Posted on Feb 24, 2023

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Hi, I have a YST-SW800 that just went dead on me. I don't have the knowledge to fix the amplifierunit. Is there anywhere I could buy a new amplifierunit to the subwoofer. O.E.
Possibly, try a search engine.

But even if you find one you're stuck with the same dedicated amp.

I once had a powered sub that blew its internal amp and the store gave me a whole new sub. THAT one blew the same way so I disconnected the internal amp and now use it as a passive sub with a separate amplifier that I own. Separable amp/speakers allow for the surviving component to be redeployed.
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chances are that you have blown part of the circuitry insode the power supply. The power supply is recieving power, hence the standby light but not giving any actual output. If you are competant with electronics and can work on the power supply safely, take a part the power supply and look for any components which look to have scorching around them and test for operation. Obviously make sure that the units is UNPLUGGED from the mains supply before attepting this.
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May 02, 2011 • Yamaha YST-SW315 Subwoofer
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Apr 14, 2011 • Yamaha YST-SW315 Subwoofer
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Apr 04, 2010 • Yamaha AX-596 Amplifier
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Yamaha YST-SW320 subwoofer won't play sound
I too have amplifier and speakers thatI rent for parties, and sometimes when I connect them they don't work and I battle with them for hours before I find the out that its just a little thing that happened, like speaker wire might have cut inside, or the wire conneted for the CD to Amplifier is bad and son on.

But I will advice that you test your amplifier and woofer, with another equipment independently to be sure if they still working well or not. As this will help you to know what to do next.

May somthing happened to one of them the last time you used it and you did not notice, and it might just need some servicing.

Best wishes
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Nov 13, 2009 • Yamaha YST-SW320 Subwoofer
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Need a schematic for a YAMAHA YST-SW315 subwoofer or repair manual No output, no sound ?
contact me direct at xxbratfry@live.com do not use the xx.

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Sep 23, 2009 • Yamaha YST-SW315 Subwoofer
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When subwoofer auto powers off it make a big crackle sound from speaker. like it gets a backfeed or something
Bounds from the switch disconnecting. It really throws electric charges around that take a little bit to dissipate.
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