Question about Polk Audio PSW350 Subwoofer

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Polk Audio PSW 350 sub has no power

Trying to replace fuse type T1.25A 250V but can't find retailer that knows what types of fuse a T1.25A is....Fast, time delay, etc,

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, MANUAL PSW 150 POLK AUDIO

Posted on Dec 04, 2013

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Hi, Just call the parts line at Polk Audio. They should have the fuse. You can also ask for technical if you're not sure of the problem. Here's the number for Polk: 800-377-7655 Good luck to you.

Posted on Jan 22, 2009

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What type a fuse do I use for my Psw 125 power sub


Is this a Polk PSW 125? I'd contact Polk customer service.
Here is the manual http://www.polkaudio.com/Media/POLK/Product%20Manuals/PSW110_125_MN.pdf
There is some discussion here http://forum.polkaudio.com/discussion/77264/psw125-blown-fuse
A blown fuse indicates something wrong. I'd contact Polk.

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Unplug the power, get inside it and disconnect either lead to the driver; stand back and plug it in to see if that helps. If so, the woofer is shorted and can be replaced failry cheaply. Otherwise it's probably more complicated and expensive for a hands-on tech to isolate the electrical problem.

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Optimum set up for Polk Audio PSW 10?


Run 2 RCA cables from the two Purple connections on your Receiver (Labled "PRE OUT SUBWOOFER") to the Red and White connectors on the back of your Sub (it does not matter which Purple connecter you plug into either the Red and White)

Set the volume control on the Sub to about 75%, and keep the power switch in the "ON AUTO" position. To set the Low Pass value, look at the back of one of the front speakers in your setup, and note its frequency range (will look something like 100Hz - 17kHz). Set the Low Pass at a value slightly higher than the low value on the back of your surround speakers.

To set the phase switch, stand in the middle of the room with some music on (something with some bass, but not over the top bass) and have someone switch between 0 Deg and 180 Deg. Listen for which setting sounds "Louder and Fuller". This is the one you want. You will need to do this each time you move the Sub, as its position may change its phase in relation to the rest of your system.

Good Luck!

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3 Answers

Blew a fuse what kind dose it take is it a slow blow fuse or fast blow one,i took out the old fuse and it reads le.3a/250v is it a 3a or .3a


It is a 3A/250V fuse, also known as a 6A/125V fuse.

Power amps generally have slow blow fuses.

If this is helpful, please be sure to hit the "Thumbs-Up" for me!

Jan 24, 2010 | Polk Audio PSW202 Subwoofer

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Polk Audio PSW10 electrical board smoking


I should just replace the parts that were burning, it will cost a lot less.

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My Polk PSW 303 subwoofer emits a hum when plugged in and powered off. When the unit is turned on the hum gets louder. At this point the unit is useless. Does anyone know what could be causing this?


Hiya sounds alot like there is a power supply issue with the unit that will require repair for it to be doing off or on. Probably wont be to expensive, request a quote first to make sure viable.

Best of luck

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1 Answer

PSW 10 Not working


Your 2A 250v slow-blow fuse is blown, located under the back pannel. Mine just did the same thing. Problem is the problem with my PSW10 goes beyond the fuse. I have contacted Polk tech support to help me trouble shoot.

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