What is a factory amp?

What is a factory amp?

This factory amp is designed to make cheap factory speakers sound better. But it doesn’t do you any favors when you replace the stereo or those stock speakers. Retaining the factory amp usually makes it easier to install a new stereo, and in some vehicles that’s your only option.

Does my car have factory amp?

There are a few ways to find out if your factory system has an amplifier system. One way is to verify if your system has more than four speakers. If it does it probably has an amplifier. You may also want to check with your factories owner’s manual to see what type of system that you have.

How do I test a used amp?

One of the quickest ways is to simply touch the power wire from the amp to the positive post of the battery and the ground wire to the negative battery post. If the power light comes on, it can be ascertained that the amplifier has a good circuit board.

How much does it cost to repair an amplifier?

I would say the average cost of repairing an amp is $125, and the range is $100 – $300. Depending where you live, 12AX7s can be had for around $8-12. EL84 aren’t much more.

Will an amp still turn on with a blown fuse?

If the fuse is present and blown, the amp can’t turn on because the circuit providing mains voltage is open. Simply replacing the fuse may or may not solve the problem.

Why does my amp not work?

If your amp is wired incorrectly, and the remote turn-on is connected instead to the power antenna wire on the head unit, you may find that the amp only powers on sometimes. If the ground connection is poor, or it isn’t connected at all, the amp may fail to turn on or not work very well.

What would cause a subwoofer to 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.

Why does my subwoofer have no sound?

Ensure the power cord of the subwoofer is connected to a working AC outlet. Ensure the speaker settings on the stereo system or TV have been configured properly to use the subwoofer. IMPORTANT: Certain speaker settings may disable the subwoofer. Trying a different speaker setting may resolve the issue.

Why does my sub work but not my speakers?

1) Check if external amp is getting power. If the car amp is not getting any power, your car speakers will not work. This can cause your sub to work but your speaker to have no sound. 3) Check the speaker wire.

Can a subwoofer be fixed?

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.

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.

How much does it cost to get a subwoofer fixed?

Vendors charge around $100 to install a subwoofer, but the cost will run over $300 for complicated installation work. Better still is to purchase some or all of your components, including the subwoofer, from a dealer who will install it for you as part of the purchase price.

How do I test my subwoofer?

Check a Blown Subwoofer With Multimeter

1. Turn off your subwoofer completely and unplug any power source.
2. Remove all audio inputs or any cables to make your subwoofer free.
3. Remove the subwoofer from the enclosure.
4. Attach the positive multimeter probe to the positive terminal of voice coil of your subwoofer.

Why would a subwoofer smoke?

Clipped, unclipped, dirty, clean, it doesn’t really matter how the power goes into the woofer, it is going to cause the voice coil to heat up. Both the smoke and the smell are a result of those resins on the coil returning to liquid and eventually a vapor.