I have a problem with my amp. I am getting no sound to subwoofer. The red protection light powers on and not the green as is supposed to. This is after I realized that the pos and /neg speaker wires were touching a little. and that cause the sound to mute at times.Fuses look good.Thanks!
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Re: Diamond Audio amplifier 1200W
If the speaker wires touched and the protection circuit didn't engage quickly enough, the output transistors may have failed. This is the most common cause for an amplifier to go into protect mode.
If you disconnect the speaker wires from the amp and the B+ and remote voltage are above ~11 volts (place black meter lead on ground terminal of the amp when checking the voltage), and the protect light still comes on, the amplifier will need to be repaired.
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red and green light? there is most likely a protection and a power light. The red I assume would either be a protection light or a clipping light signal. Does the amp kick off then these lights kick on red then to green?
Sounds like your RCA's are near your power & ground wires. I would run your RCA''s on the other side or as far away from the power wire as possibly. Sounds like your getting the infamous alternator whine. If none of the above work you can get a in line noise filter to filter out that noise. RCA's can pick up noise when their around anything that has alot of current running through it....Hope this helps
YOU NEED NO CHACK THE GROUND CABLE SOMETIMES WITH THE SAME POWER THAT THE AMP NEED START TO BURN THE CABLES AND IF THE GAUGE OF THE CABLE IS NOT THE CORRECT CAUSES THAT PROBLEM TRY TO PUT 2 GROUND CABLES (GREY) IN DIFERENT PLACES AND IT MUST WORK!
Disconnect your speaker wires at the amp and test. If it turns normal (green or whatever) check your speakers and wires with a meter for a short. If it stays red, the protection circuit is cooked and needs to be serviced. Hope this helps.
remove the load (subwoofer)...
ensure the power and remote have 12V (remotoe only when the car is on)....
And make sure the ground is a good one - sanded and screwed.
If you now turn on the car, and the red light for protection still stays on, your problem is internal, and it will need to be serviced. This is not something that you can crack open and fix, as there are lethal amounts of stored energy in the power supply and capacitors.
If the light goes on, youe sub(s) is/are at fault. Check the impedence with a multimeter set to OHMs and read the voicecoil. It should read pretty near to 4 or 8 ohms.
But since your amp is the only piece new to the equasion, chances are the problem lies within the amplifier.
It either has fried components, or your subwoofer(s) are wired to a low enough impedence that your amplifier does not like.
With more info... model #s voicecoil configurations I can help you better. I will c/p an answer I wrote recently regarding amplifier failure.
For some reason it has gone into protection mode to limit further damage to the amplifier. Remove the subwoofer wires and power on to eliminate shorted voicecoil. After checking all wires for continuity to ground, a service tech will be required.
well, first thing you need to check is to see if the amplifier is going into protect mode(red light coomes on). also go through and check all your wiring with a test light(buy at autozone, oreillys, napa walmart, etc.) and see if its all right. (positive, ground, and remote) then check your rca with i dont think is possible so you might as well buy knew ones. if all that doesnt work then make sure all wires are hooked up to the speakers, take the apekers out of the box and check. if all fails then bring it to a car audio shop to let them take a look,
The problem would be if you had it switched around. The 1200W subwoofer only means that it can handle 1200w of power the 1000w amp means that it can deliver 1000w of power. What you may have is an impedance mismatch. My question is what is the resistance rating on the sub woofer and what is the minimum resistance rating of the amplifier. These are actully the important issues at hand.
the rating of the subwoofer resistance in Ohms should never be lower then the minimum resistance rating on the amplifier. in fact the resistance rating on the amp should match the resistance rating on the subwoofer.