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If you are not clear whether your subwoofer is blown or not you can use a multimeter to test and check if the subwoofer is really blown. A multimeter is one of the best ways to completely verify if the sub is blown or there can be any other problem that is causing distortion or another malfunctioning.Nov 2, 2020
How do you test a subwoofer speaker?
0:462:49How To Test A Subwoofer To See If It Works A Quick Test – YouTubeYouTubeStart of suggested clipEnd of suggested clipRight here so that is a quick test if you do not have your tuner hooked up for your radio. Just plugMoreRight here so that is a quick test if you do not have your tuner hooked up for your radio. Just plug in your cables. To the back of the subwoofer.
How do I test a speaker with a multimeter?
If you have a multimeter, you can get an accurate reading of the resistance of the speaker….
- Touch the positive side of the battery to the positive side of the speaker and the negative to the negative.
- Only touch the battery to the terminals for a quick moment.
- It is best to use a partially discharged battery.
Aug 3, 2021
How do I know if my subwoofer is bad?
Subwoofers are blown when they either receive too much power or too much of a distorted signal. You can find out if your subwoofer is blown by listening to the sound, reviewing the movement of the woofer, and using a multimeter to find out if the coil is blown.
How do you check subwoofer impedance with a multimeter?
Calculate Z = V / I to find the impedance at resonance frequency. This should be the maximum impedance your speaker will encounter in the intended audio range. For example, if I = 1/123 amps and the voltmeter measures 0.05V (or 50mV), then Z = (0.05) / (1/123) = 6.15 ohms.
How do you troubleshoot a subwoofer?
You never want to connect or disconnect any cables while anything is on, lest something incurs accidental damage.
- Check connections and speaker wires. …
- Check outlets, power cable, and fuse. …
- Check system and menu settings. …
- Verify connections, turn on the subwoofer, and set the volume.
Dec 24, 2021
How do I know if my sub is blown with a multimeter?
The multimeter is used to determine whether there's any electrical resistance in the coil circuit. Resistance in electric circuits is measured in ohms. Complete lack of electrical resistance will mean that your coils are damaged. Any reading above 1.0 ohms indicates that the coils are not blown.
How do you tell if a speaker is blown with a multimeter?
0:005:41Is my speaker dead? How to measure with a multimeter – YouTubeYouTube
How can you tell if speaker polarity is correct?
1:314:53How to Test the Polarity of a Speaker and Wiring – YouTubeYouTube