Question about Yamaha YST-SW215 Subwoofer

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YST-SW215 Every time I turn the power on, it blows the internal 4a / 125 v fuse. The unit is practically brand new. Any help? Bill

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Do you have the input voltage switch set to 120V 60hz. There is a switch that should change from 120v/60hz to 220v/50hz. In the US this should be on 120v/ 60hz

Posted on Dec 20, 2008

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Check to see who the manufacturer is. The Acoustic Research name was sold a couple of times. I think yours may be Recoton. If so, you may be able to get some help from them.

Aug 24, 2014 | Audio Players & Recorders

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Can i use a 250v 4a fuse for my cerwin vaga speaker even if its not a slow blow and what could happen if i did would it damage the speakers

If you're replacing the fuse with the same specs and the only difference is the new one is not a "slow blow", you won't damage the speakers, but the fuse could blow again even if there is no actual fault. The slow blow is designed to accept a temporary surge of power without blowing - as in initial power up.

Oct 24, 2013 | Audio Players & Recorders

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Fuse keeps blowing up as power is turned

Greg, If the fuse keeps on blowing there is a problem with the internal amp. It was probaly caused buy a electrical power surge, Or a (********) up Sub patch cord,

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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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Not working turns on, no sound, the stand by/on light goes on and I hear the unit amp click on but no sound. I tested the internal fuse for continuity and it was good, however I dont know how to check if...

first of all remove the speaker and check it, is it faulty or not. connect a battery between the two leads of the speaker .if it is ok then it will produce some cracking sound. check it first.

Dec 27, 2010 | Yamaha YST-SW215 Subwoofer

1 Answer

I have a problem with my yamaha subwoofer yst sw 215 after about 5 minutes of use it gets this continuous bass vibration through the the sound outlet like its stuck on a bass sound any ideas

could be a problem with one of the filters inside or a short circuit... your best bet would be to have someone skilled in electronics look at it, and stop using it as you may permanently damage your speaker.

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Unit blew the internal fuse. SONY SA-WMS367 SUB-WOOFER

Bad output IC or voltage rectifier are the most likely at fault.

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