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I have a Bazooka ELA 60.2 amp, I am using the speaker level inputs not the RCA's, I have 12v at the sub input and good ground. The fuse on the outside of the amp is good. It will not power up ( and no LED light ) when I turn the music on. Any thoughts?

Posted by Anonymous on

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SOURCE: Red Led Light on My Bazooka Ela300.1

Your amp went into a " Protection Mode "
this happens if you have blown something inside like a IC or something... if the amp have been dropped or bumped then its very likely to happen ... Check and see if your fuses are ok, if not then it would be best to let it be checked by a expert if its a IC or a cap inside
Cheers

Posted on Dec 19, 2007

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Anonymous

  • 71 Answers

SOURCE: amp turns off after a couple minutes of playing

That's a new one on me.
The only electrical difference is the battery voltage on ACC is 12 volts. When you start the truck the alternator should put out about 13.7 volts. That would make me suspect a bad power supply in the amp or the output transistors, something in the amp is getting hot at the higher voltage and shutting it down

That would explain why you get two minutes ,and than when you turn the truck off the voltage drops back to 12 volts and the amp comes out of protect mode. Try a amp swap or if it's a self amplified tube, hook it up to a friends system.

Never hurts to put a voltmeter on the battery with the truck running, and off, to make sure the alternators voltage regulator
is not faulty and exceeding the rated voltage.
Good luck, let me know what happens, I'll ad it to the book.
Regards Paul

Posted on Jun 12, 2008

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Anonymous

  • 631 Answers

SOURCE: No idea!!

Have you checked the on-board fuses on the amp?

Have you confirmed, with a multimeter, that you have B+ and remote voltage AND a good ground? If not, do the following.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

Posted on Sep 29, 2008

Anonymous

  • 21 Answers

SOURCE: I'm having problems getting full power to my sub.

you can only bridge it if your amp is made for it......the only other way is to have another of the same amp.......tell me what you come up with

Posted on Mar 20, 2009

Anonymous

  • 31 Answers

SOURCE: got the hot nd ground conted nd the aux cables from the raido conted nd the amp does not turn on

The amp needs a remote signal to turn on. This is provided by wire from the back of your head unit. Also look for a 'REM' or 'remote' connection on the amp (besides the 12v and ground connection).

Look at the wiring/setup diagram for your head unit to determine which wire/connection you should use for this.

If the head unit does not have a specific 'remote' wire, you can usually use the power antenna wire to provide a turn on signal to the amp instead.

Posted on Apr 13, 2009

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Another conundrum

To check for yourself, get an Ohmmeter and see if the outers of the amplifiers RCAs are connected to the ground or each other. If so then it cannot take speaker signals directly.
I suspect the 'High Level' the manual speaks of are the 4volt auxilliary audio signals that can be found on some newer head units, not speaker signals.
Speaker level signals from a bridge amp CAN be used on grounded RCA inputs if the signal is first passed through a simple decoupler and attenuator.
Diagram to explain....
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