Faulty speaker keeps cutting off


Maorswan

CarAudio.com Newbie
Sep 22, 2021
1
0
Israel
I have a pair of Vibe midbasses, half a year ago one of them started cutting off randomaly. At first it was once in a month, then it became more frequent. I checked the wires, the amp, everything. There's no known reason. It could work perfectly for a few days, then cut off, then cut off again for 2 minutes or on-off every 2 seconds, driving, on parking, doesn't matter, something is wrong with the speaker and I wanna know what.
It has 3 states:
Working and heavily vibrating
Not working but you can still feel a very slight vibrating
Not working and completely dead

Any thoughts? Thank you.
 

ThxOne

AudioFreak
5,000+ posts
Jun 8, 2018
5,156
1,104
Kentucky
I have a pair of Vibe midbasses, half a year ago one of them started cutting off randomaly. At first it was once in a month, then it became more frequent. I checked the wires, the amp, everything. There's no known reason. It could work perfectly for a few days, then cut off, then cut off again for 2 minutes or on-off every 2 seconds, driving, on parking, doesn't matter, something is wrong with the speaker and I wanna know what.
It has 3 states:
Working and heavily vibrating
Not working but you can still feel a very slight vibrating
Not working and completely dead

Any thoughts? Thank you.
Break it down. The only way speakers get sound is from a signal wire. Start at the speaker terminals.

Behind the terminals going to the voice coil. Are the wires loose behind the connections?
Inspect the connectors themselves. Are they loose or damaged.

Push the cone in. Is there any scratching? If the speakers check out, follow the speaker wires.

Check any junction where the wires bend or come in contact with a hard surface. Are the wires covers broken? Are any parts of the wires exposed? If the wires check out, proceed to the connections on the amp.

Are the connections clean and tight at the amp? If so the following could be the issues:

RCA cables faulty - Check the same way you did for the speaker wires.
Amp faulty - Run a new short length of speaker wire to a different "test" speaker with the speaker unmounted and see if it faults.
Head unit faulty - No suggestions.
 

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