Question about Onkyo Bass Reflex Powered Subwoofer Subwoofer

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Powered subwoofer keeps blowing its fuse

My home audio system 100W high end powered subwoofer blows its fuse immediately once the new fuse is installed

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Vito Vacirca Jr.

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The amp is blown. You need to get it in for service. No telling exactlly what is wrong untill it is opened. 215-736-8055

Posted on Jan 15, 2010

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2 Answers

No power. Fuse was blown but replaced fuse and still no power.


If fuses blown there is a case to search for short circuited active parts examples are end-transistors caused by clipping speakers cable shorts leaking or convexed capacitors but any new fuse will blowing again and again also the bridge rectifier to make dc voltage inside the power supply of the subwoofer can caused this problem

Jul 19, 2015 | Polk Audio DSW PRO 500 Subwoofer Speaker

1 Answer

M audio bx8 blows a fuse


best solution wrap the blown fuse with a piece of tin foil and put it back into the fuse terminal and you shouldn't have a problem.

Mar 03, 2012 | M-Audio Studiophile BX8 Main / Stereo...

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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

1 Answer

It keeps blowing fuses - two 12 inch cls subs 1


sounds like the audio stage riving the channel has a short circuit on it.need to go through the amp stage

Jul 16, 2009 | Cerwin Vega CLSC-12S Subwoofer

1 Answer

I have a 25 wat fuse in my power wire connected to my amp and i keep blowing it. should i put a bigger fuse in it?


Hello grabert205,

You do not say if the fuse blows immediately upon powering up or while the amplifier is operating. If it blows immediately, I'd check the power and ground.

If it is blowing the fuse while operating, I'd try a 30A and see if it holds. At maximum output of 100 watts times 4, the amplifier needs about 31 amps of current at 12.8V. So driving it hard could certainly blow a 25A fuse.

Hope this helps.

Jun 13, 2009 | DHD LCD-9444 Car Audio Amplifier

3 Answers

Starter fuse under the hood keeps blowing....the factory deck was replaced by a new deck...every since then the ignition fuse keeps blowing..


the new radio install is causing this if the power was taped into the starter system. rec. removing wires then try to see if you can blow your starter fuse

Jun 01, 2009 | Car Audio & Video

1 Answer

Fuses keep blowing


This particular product has a lot of comments posted on it and I've answered a few of them now so I'm beginning to think you may want to look into weather or not the manufacturer has received any complaints or this is just a freak occurrence. Keep in mind not all commments are the same so this may just be nothing. Either way I can tell you this much, if fuses keep blowing quickly, over and over again-You have a direct short somewhere and will most likely be in need of professional assistance of some sort with the possiblilty of having to replace it. I'm sorry it's not an easier fix but it may not be too expensive.
-Dynami

Mar 22, 2009 | JBL PB12 Subwoofer

2 Answers

Fuse on subwoofer keeps blowing


Subwoofers draw a tremendous amount of power. With the amount of heat generated by amperage flow and the movement of the voice coil, you may have burned out the coil. Do a resistance check across the coil. Easy check? Temporarily attach another speaker to replace that one. Use LOW VOLUME and slowly work the vol up,and, if the fuse does not blow, it's the other speaker.

Mar 10, 2009 | Dahlquist ORBIT 5.1A System

1 Answer

Subwoofer


Repeated fuse blowing generally indicates a blown power supply, or blown output stages or both. One thing to do is be sure that you have replaced the fuse with the correct type. A T stamped into the metal of the fuse near the rating, indicates sloblo or Time Lag fuse. A fast blo fuse, may work once, or more times, but will never replace a sloblo fuse in this type if unit. Good Luck, hope this info helps, don't hesitate to hit me back here for more help :)

regards
Graeme

Feb 13, 2008 | Harman Kardon HKTS 7 System

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