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Peavey pv1500 amp got signal in, but no output to speakers ?

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  • bak178 Jan 06, 2009

    thre is no output from channel A, but channel B functioning as normal. i've checked the speaker and the speaker is good

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Try your speaker to hooked to another receiver if it works,If it works then the problem is in your receiver.Try to check the circuit board holding the socket output for crack ,loose or cold solder connection,this is the common problem, If the connection is good and still no output sound ,then the problem is in the power amp section,maybe STK IC there is defected or cold solder,try to check this out...

Hope this may help;

Good luck and dont forget to rate;

Posted on Jul 22, 2008

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Posted on Jan 02, 2017

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Why will Amp not produce sound unless the input and output are patched together


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Some amps provide jumpers to insert into the phono jacks on the rear of the amp to bridge the processed low level output signals into the low level amplifier input. You could install a Y cable here to feed two amplifiers - or - connect a tape recorder's "REC L+R" to the low level output and the "PLAY L+R" to the low level amp input so that you'd hear the actual audio as it had been recorded on the tape.

If you remove the jumpers (or tape recorder if used instead), there is no way for the low level audio to get into the amp's low level inputs for amplification.

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Hi, avatar6.jpgbudfaulkner7

The 130 special was released as a Combo Amp, though I have seen quite a few taken out of the original cabinet and used in a rack system. Mine had a single 12" Scorpion speaker, I think a revised model came out in 86 (in Canada at least) that had twin 10" black widows.

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First of all the KEF is a powered sub which means that it wants a line level signal NOT a speaker level. Send the signal from a tape output or pre-amp output to the sub input. The overload is because the impedence load for the speaker output is too low and looks like a short to the amp. Continued attempts to connect the system as described will result in damage to the output section of the amp.

Please let me know if you need more info.

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How to install Rockford Fosgate 3sixty.1 to a Toyota factroy head unit?


You will need a line level adaptor to get an audio input for the amp.

A line level adaptor is a device that lets you tap off of your speaker outputs of the radio and it converts that signal into the proper level for an RCA input signal the amplifier uses.

If you are installing the amp in the trunk of the car you can just tap off the speaker outputs of the rear speakers mounted in the trunk. Keep the speaker outputs connected to the speakers, just run an extra set of wires from them to the line level adaptor. It will not take anything away from the speakers sound because it is not a power drain on them.

After that, you just connect the power wires for the amp as you would normally and you also need to run an extra wire from the radio power antenna wire to the remote turn on of the amp, or you can use a wire directly from the battery and connect it thru a switch you would need to connect somewhere around the dash, so you can turn the amp on and off when you need to. The power antenna wire from the radio is best, so you don't need to turn the amp on and off manually. It is easy to forget about turning it off sometimes and that would run doen your battery if the amp is left on over night even with no signal going thru it.

Then connect your speakers to the amp and thats it.

Then big issue is getting an audio signal to the amp and the turn on signal for the amp.

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Hi chillin884

Not a good sign. Something has gone wrong with the output stages of your Peavey. It is not a good idea to continue plugging it in as damage may occur to your speakers. I suggest you take it to a decent music gear repair guy for a look see and give you a quote to repair These heads, like all Peavey gear, are pretty solid and worth repair. Sorry to be the bearer of bad news like this, good luck

regards
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Call the Peavey Customer Service line (number available @ the Peavey site) and get the parts department to email you a schematics on the amp... it has the footswitch wiring on it. And it's free to do this.

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I don't know why you'd set the Peavey to 2 ohm to drive 8 ohm speakers??? My other thought is... I wonder if the phase is correct. try reversing one of the speaker wires Left or right side.

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