Question about Car Amplifiers

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Need Help Ground came loose on my Lightning Audio Amp LA1.150.2 and will not produce any more bass everything else works on this amp lights etc. just possibly need some help on the schematics end because I have no resources here in this small town I live in. Thanks, Fred

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If you know the difference between ground and the power wire just find an area where the ground can be hooked up in vehicle that goes direct to the bolt to the chassis
ground should be thick wire

try a reset on your amp if it has one pull the fuse and put back in this should help but make sure to get that ground fixed first before giving it power again

Posted on May 07, 2008

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I have a JL 1000/1 and the low ohm light switch on and off.. The terminal connector is slightly loose.. with a jiggle of the ground wire the amp switch back to GREEN and plays normal..


Check the ground wire to the car make sure that you have bare metal and that the contact between the car and the wire is good. Ensure that the ground wire is in all the way. What size ground wire are you using. I would say don't use smaller than 4ga for a 1000 watt amps.
Also has the amp been screwed or velcroed to the box? Sometimes amp connections become loose from the vibrations of the bass. So it's possible it might be an internal issue or that the wire isn't in all the way.
I would suggest also taking the amp completely out of the car and inspecting the terminals to make sure they aren't loose or corroded.

Mar 06, 2011 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

I have a lightning audio amp a B4.320.4 and Protect Lght stays on


the amp probably got to hot and had a thermal shut down witch will have to be fixed by a professional.

Mar 06, 2010 | Lightning Audio Car Amplifiers

2 Answers

Legacy audio LA590 car audio amp protecet mode


Is that on all the time or are you saying the light is on? If that light is always on that just means it's protecting your amp. If it's off and not playing bass then your in trouble

Mar 01, 2010 | Legacy Audio American Legacy II LA590 Car...

1 Answer

Help!


Double check the ground wire to make sure it is grounded to an unpainted surface of the car. Otherwise turn cd player bass down and amp gain at no more than 3/4

Aug 24, 2009 | Lightning Audio Bolt B2.150.2 Car Audio...

1 Answer

My fuse blew out on my Pioneer amp


Could have been caused by a few things.

1) Low voltage. Most car charging systems aren't equipped to handle the extra strain of amplifiers without some sort of help, if this is the case you may need to add, a capacitor or battery.

2) Blown sub. Sometimes when you blow a subwoofer, it can take your amp down with it, most amp's will go in to protect before this happens, but not always.

3) Over driving the amp. If you max the gain, and bass boost on your amplifier, you can cause all sorts of problems, including blown fuses.

4) Loose or bad connections. Check your connections to the battery, and ground, sometimes a loose connection will play, but cause your amp to over heat by working to hard to produce it's power.

5) Bad amp. Could be a factory defect, like a poor soldier joint, or bad component.

Aug 09, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Amp Issues


1800W peak output at 2 ohms
975W peak output at 4 ohms
600W RMS (continuous) at 2 ohms
325W RMS (continuous) at 4 ohms
Variable LP crossover adjustable 35-250Hz
4 AWG power/ground inputs and RCA pass through
Low-pass filter
Bass boost 0-18dB adjustable remote punch bass EQ
Signal-to-noise ratio: >80dB
Line-level input


It is going into protect mode for a reason.
Disconnect the subs and turn everything on again. If the light comes on, the problem is internal and will need servicing by a technician.

Dec 22, 2008 | Ultra Linear UL-2200D Car Audio Amplifier

1 Answer

Sony amp 1000w


Check the wiring of the speakers (both inside the box and between the box and the amp). It sounds like one speaker is wired incorrectly at one connection point.

Sep 09, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

2 Answers

No audio-amp protect light come on then went


You need to check the DC voltage across the B+ and ground terminals. You also need to check the DC voltage across the remote and ground terminals. If the voltage is less than 11 volts, you need to check the B+ supply and remote wiring for breaks or open fuses. You should also check the ground connection to confirm that it's not loose.

 

If the voltage is OK, the output transistors are likely shorted.

Oct 21, 2007 | JBL GTO75.2 Car Audio Amplifier

2 Answers

LIGHTS ON BUT NO BASS


Is the master/slave switch set to master? Have you tried feeding the signal into a different amp to make sure that there is signal reaching the amp?

Sep 18, 2007 | Car Amplifiers

1 Answer

Amp cuts off


So you have an EQ and a Pioneer amp you're trying to hook up to each other? And only some Stinger RCA cable works? And when the lightning audio RCA cable is hooked up, it doesn't turn on? The amp isn't grounding itself through the RCA cables, is it? Check your ground wire and make sure it has a clean contact that's free of rust or any paint that might be in the way. Otherwise, the RCA cables should have nothing to do with an amp turning on or not.

May 07, 2006 | Pioneer GM-X324 Car Audio Amplifier

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