Question about Audiofonics ADF-241 Car Audio Amplifier
The green light on the side is on but the 3 blue lights on top arent...doesnt seem to have the same bass response as before. Whats the problem?
Many amps will go into protect mode if one of the speaker wires is shorted or grounded, or if the voice coil(s) are defective. Try disconnecting the speaker wires one at a time and see if the amp still goes into protect upon power up. Likewise, some amps will go into protect if one of the inputs is grounding out. Again, to troubleshoot, disconnect them one at a time and try the amp. Next, make sure that the amp itself is not grounding. Most amps need to be mounted to a nonconductive surface. If the case contacts the frame of the vehicle, it can cause a problem. If the problem is not in the speaker wires or the input cables, the amp case is not contacting the vehicle frame, and you have checked your power, ground and turn-on leads, then the amp itself is probably faulty.
Hope this helps.
Posted on May 19, 2009
SOURCE: will not put out sond
If the amp is powering up but not producting any sound, there are 4 possible causes.
1) Incorrect or faulty wiring.
2) No input or input too low for the amp.
3) Defective speakers.
4) Incorrect amp or head unit settings.
Start by checking all of the wiring and onboard fuses. Especially check the speaker wiring and make sure there are no shorts or grounds and that the insulation is not nicked or frayed. Check the RCA cables by substituting a known good pair. Check the receiver (head unit) to see if there are any settings that need to be turned on for the preamp outputs to work.
Test the speakers on another output to determine that they are functional.
Check the amp settings and insure that filters, crossovers and gain controls are properly set. If your wiring and the settings all check out and the speakers work on another output, the amp itself is probably defective.
Hope this helps.
Posted on Sep 01, 2009
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