How do you test a subwoofer to see if its blown?

Car Audio : How to Tell if a Car Subwoofer Is Blown

How do you troubleshoot a subwoofer?

If your subwoofer stopped working, there’s a good chance it was blown. To check, unplug the subwoofer and plug it back in. If it still doesn’t work, try switching the input from AUX to SUBWOOFER on the amp. If that doesn’t work, the subwoofer is probably blown and needs to be replaced.

What causes subwoofer failure?

The main cause of sub-woofer failure is overdriving or driving a clipped or distorted signal continuously to your sub-woofer. This can result in a mechanical or electrical failure.

What does blown subwoofer sound like?

If the voice coil or led wires are totally broken, then you would get no sound at all. If the speaker has been overheated, and the voice coil windings are coming loose with the system turned off, you can move the cone in and out and put your ear close to the speaker- you will hear a scratching sound.

How do you tell if a sub is blown without playing it?

 

  1. If it does not move at all, it is definitely damaged.
  2. If it is extra wobbly, this is also a sign of damage .
  3. I f you hear scratching sounds, you definitely have a blown sub.
  4. You can also use a multimeter to test for a blown coil.

What happens to a subwoofer when it blows?

Subwoofers are most commonly blown by supplying too much signal to the car audio amplifier. Too much signal results in a “clipping” which is when audio signals voltages reach amplifier’s power supply voltages. The result is a “clipped” signal and this can damage the amplifier and subwoofer.

How do you reset a subwoofer?

Press and hold the Power button while pressing the Input button and the VOL- button (at the same time). When RESET appears on the front panel display, release the buttons. Unplug the power cord for 30 seconds.

Does subwoofers have a fuse?

If you have a DB12 subwoofer that is not turning on or has no power, you may need to replace the fuse.

Why are my subs not hitting?

There are many reasons why your subwoofer isn’t hitting high bass. One of the most common reasons is that you’re not giving it enough power. Other possible issues: The head unit might be faulty, or you have a grounding issue.

Where is the fuse in a subwoofer?

REL Sub Bass Systems have a AC mains fuse located in the IEC receptacle where the power cord is plugged in.

What is the lifespan of a subwoofer?

The lifespan of a subwoofer can range from around 5-14 years. If it’s properly maintained and not abused, the average person should be able to get 10+ years out of their subwoofer.

Why is my amp working but not my sub?

The most common cause of a subwoofer not working is the wiring or the connections of the subwoofer with the rest of the sound system. Leaks, breakage, twists, corrosion, loose connections and incorrect wiring are all quite common and can create problems with the subwoofer even if the amp has power.

What does a damaged voice coil sound like?

Distortion at Normal Volumes – If even at moderate volumes you hear hiss, static, and fuzz, then you have one of two problems on your hands. You either have loose or damaged voice coils or you have a torn cone. If you turn up the volume the problem should get worse.

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 AS 20’s specifications—8″ driver, 60 watts RMS, 33 Hz to 140 Hz frequency response—is not too tough.

What does a blown fuse look like in a subwoofer?

If the fuse is blown, the filament will be disconnected at one of it’s ends. Sometimes this is noticable, sometimes it isn’t. Look carefully and see if the ends are visible. Try tapping the fuse and quickly look to see if the filament is bobbing around like a lose wire.

How can I test my car subwoofer at home?

How to Power a Car Subwoofer at Home:

  1. Buy a Power Inverter that turns the home 110 Volts into 12 Volt.
  2. Connect your subwoofer to your car amplifier.
  3. Connect your car amplifier to the home amplifier.
  4. If there are additional speakers hook them up.
  5. Plug in the Power Inverter. Enjoy!

How do you check if your subs work?

The first thing you should do before testing your subwoofer makes sure it’s working properly. The first step is to connect it to an electrical outlet. If you switch it on and they don’t produce any noise, they’re probably broken. Because your subwoofers create noise, it’s easy to know if they’re working.

Is it OK to leave subwoofer on all the time?

Yes you can leave your subwoofer on all the time as long as it has an auto standby feature. Subwoofers in standby last longer & use less power. Older subwoofers that don’t have this function should be turned off when not in use as electricity escapes in the form of heat, causing the amplifier to get hotter than normal.

Is it hard to fix a blown subwoofer?

Can you fix a blown subwoofer? Yes, you can fix a blown subwoofer especially when it is partially blown sub damaged cone. However, a damaged voice coil will be difficult to replace. Depending on the extent of the problem, the best solution is to purchase a new subwoofer.

How do you fix a subwoofer that won’t turn on?

Perform a quick test on the wires to check that they work. Check outlets, power cable, and fuse. Most subwoofers have a “standby” LED that glows to indicate active power. If it’s not lit, check that the subwoofer is securely plugged into a wall socket, surge protector, or power strip.

How do you reset a subwoofer amp?

Amplifier Factory Reset

Why did my sub stop hitting hard?

If your subwoofer once hit hard but hits hard no longer, it could be bad speaker wires, a faulty head unit, a malfunctioning channel amp, an incorrect volume level, a passive subwoofer without a preamp, and more.

How do you fix a subwoofer that won’t turn on?

Perform a quick test on the wires to check that they work. Check outlets, power cable, and fuse. Most subwoofers have a “standby” LED that glows to indicate active power. If it’s not lit, check that the subwoofer is securely plugged into a wall socket, surge protector, or power strip.

Where is the fuse in a subwoofer?

REL Sub Bass Systems have a AC mains fuse located in the IEC receptacle where the power cord is plugged in.

How do I test my subwoofer output?

The receiver sub-woofer output is line level. So to test you could connect to a line level input (e.g., Aux) of a separate amplifier and listen through headphones or speakers that can handle low bass frequencies while playing something with low bass content through the receiver you are testing.