I was drivin my speakers just stopped workin. when i looked at it everything was hooked up right but there was no sound from my speakers even though my amp light was on. my capacitor was wokrkin too i dunno what to do i tried everything . it almost seems like no power from the channel. i need help please.
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Re: My amp light is on but no sound from speaker
If the amp light is one and the protector light wasent on then I bet you blew your speaker??? take an ohm meter, measure each speaker with nit disconnected from the amp.. If they all measure what there suppose to( like 4 to 8 ohms) then the amp blew out and unless you have training on solid state electronic repair, you should seek a pro to fix the amp for ya.. Good Luck
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Looks like the speaker is blown , or the wiring inside the speaker is broken. To test if the speaker is working, simply hook up the terminals to the ends of a AA, AAA or C battery. Speaker should make a noise, and the cone should push outwards ( or pull inwards, if the polarity of the battery is reversed). Also test the wires that are hooked to the amplifier with a speaker that you know is good working order, just to make sure that there is nothing wrong on the wiring, on that particular channel in the amp.
Check your speaker wires, make sure everythings connected right with no short circuits, and check all of the fuses in the amp, and make sure none of them are blown. If all this checks out just check the battery wire, grnd, and remote wires. It has to be a wiring issue unless you busted your amp, but if was working when you tuned it off it should be alright... hop this helps...
If you have the RCA's running from the head unit to the amp, and the speaker wires running to the speakers then you have it hooked up right. Now If you still don't have any sound then you need to look at the amp to make sure that you have a green light. Still I would use 8 or 10 gauge power wire and then the same for the ground wire, make sure that you have a good ground.
For the visonik, you should check your speakers. You can use a D-cell battery. Remove the speaker wires from the amp and connect each speaker across the battery (for no longer than a few seconds). The speaker should pop each time the wires are touched to the battery. If they don't, the speaker is defective (assuming the battery isn't dead).
If the speakers are OK, you need to confirm that you have a good signal feeding the amp. You can use the RCA cables from another working amp in the vehicle. Do this with the amp that had the power light lit.
If you have signal going to the amp and the speakers are OK, the only two things left are the power supply feeding the amp (from the battery) and the amp. If you have B+ and remote voltage AND a good ground, the amp is defective.
For the pyramid, the amplifier probably has shorted output transistors. The amplifier will have to be repaired.