Can You Fix A Blown Subwoofer?

What causes a subwoofer to freeze?

when amplifiers go into clipping, they send square wave voltage to the speakers, which translates to DC voltage.

when a voice coil gets DC voltage, it turns the coil into a heating element, and the coil quickly burns up, causing teh cone to “freeze” in such a manner as you’ve described..

How do you troubleshoot a subwoofer?

Troubleshooting Your Subwoofer No Output Check that all components are plugged in and turned on. Check all interconnecting cables. Check that the subwoofer is connected to the sub out (or other appropriate output) on the receiver/processor/amplifier. Check that subwoofer output is enabled in the receiver/processor’s…

Can you fix a blown speaker?

And in many cases, you will not need to buy a new speaker because cheap components like cone and voice coil are often all you need. With a few minutes to spare and a few tools like a screwdriver, sandpaper and other components like glue, almost anyone can fix a blown speaker.

What does a blown subwoofer sound like?

Test the Sound No sound at all – This means that your subwoofer has likely been completely blown. Be sure to test the cable and audio source. … Partial sound with distortion – When you hear a weak, distorted sound coming from your subwoofer, at any volume, you probably have a partially blown subwoofer on your hands.

Is it worth repairing a subwoofer?

A: The short answer to your question is no, the repair is likely not worth it. The price/performance ratio of subwoofers has improved considerably in the last decade, so finding a subwoofer that matches or beats the AS20’s specifications is not too tough.

Why does my subwoofer have no sound?

There is no sound from an active subwoofer connected to the television. … Ensure the subwoofer is connected to the MIX or SUB output on the stereo system or TV. Ensure the power cord of the subwoofer is connected to a working AC outlet. Turn on the subwoofer.

How do you fix a partially blown subwoofer?

A beginner friendly guide on how to fix a blown subwooferStep 1- Assess the Voice Coil.Step 2- Check the Speaker Cone.Step 3- Detach the Speaker from its Frame.Step 4- Remove the Speaker Surround.Step 5- Remove the Voice Coil and Speaker Cone.Step 6- Replacing the Voice Coil.Step 7- Fix the Speaker Frame.Step 8- Reassemble and Fix Other Parts.

What happens when a subwoofer blows?

Subwoofers are most commonly blown by supplying too much signal to the car audio amplifier. … The result is a “clipped” signal and this can damage the amplifier and subwoofer. A subwoofer can be heavily damaged by a sustained clipping. You’ll know a clipping sub when it suddenly sounds very odd and loud.

How do I know if I blew out my speakers?

The most common aural indication of a blown speaker is an unpleasant buzzing or scratching sound, by itself or roughly at the pitch of the note the speaker is attempting to reproduce. Or there could be no sound at all.

Why do my subs keep making a popping sound?

So when you change inputs or change listening modes and you hear the subwoofer(or any speaker) “pop” this indicates that particular pre-out jack is not being muted….or not being muted for a long enough period of time. … This can indicate there is a failed diode / circuit in the receiver.

How long should a subwoofer last?

There are a lot of variables that will impact how long your equipment lasts, but in general a good sub can last for 20+ years.

Can I replace my home theater subwoofer with a car subwoofer?

It’s doable on a “will it actually function” level, but realistically very unlikely it’ll work well or sound good in any capacity. Vehicle powered subs are generally designed for a ton of cabin gain, and will sound very weak in the home without more power, larger enclosures, and/or DSP.

How much does it cost to rebuild a subwoofer?

If you’d rather have your subwoofer professionally built at our shop, we would be happy to do the work for you. We charge a flat fee of $25 to install a full rebuild parts kit here at our shop. Small repair prices vary from $10-40.

Why did my subwoofer stop working?

Short Circuit. The most common cause of speaker failure is short-circuiting. A short circuit in the wires providing the signal will prevent the signal from ever reaching the subwoofer. A short circuit at the terminals on the subwoofer will also prevent electrical current and signal from reaching the subwoofer.