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I HAVE 2 PEAVEY SP2 g's. The same one and only that one keeps blowing its woofer. There is evidence of damage to the crossover although it continues to separate the highs and lows. Can a bad crossover cause the woofer to blow?

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  • Anonymous Mar 12, 2014

    peavey sp 2g crossover no high

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  • Music Master
  • 12,061 Answers

YES 100% YES. Even if it is passing signal, you will most likely find that the Capacitor has gone bad. Replace it with a new one, of the exact same Voltage and value. (Capacitors like this usually go either partial or full short or open circuit.)
But that is NOT the only cause of speaker coils blowing, there maybe a problem with your output devices. If after you replace all capacitors and resistors (If any) with exactly the same or better rated components, and there is NO change, then you most likely have an Output device issue.

There are indeed protection devices called MOV's or Polly switches, basically a device that goes in series with the wires, to positive and negative, now if the current exceeds the value you have chosen, it enters a Very High resistance stat in a nano-second or so, and cuts off the damaging signal from blowing the Voice Coils.

Posted on Sep 07, 2010

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Is there a fuse in a peavey sp2 for horns


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Peavey sp2xt speakers horn makes no sound when plugged into normal input. Horn works fine when plugged into the high side of the crossover.


High side speaker input jack defective, as they are switch also and if you plug the wire from the amp in full range and no hf sound but connecting directly to the bi-amp hi does, then your female 1/4 plug at crossover is defective for sure.

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On my peavey pro 15 neo speakers i don't know which wire is for what. What is the black, red, blue and yellow wires for?


black and red will goto 1 speaker. and blue/yellow to the other. typically red and yellow are + and black and blue are -. the crossover board might tell you which is which where they solder to it. but i'm pretty sure the black/red goto woofer. try hooking up both to woofer and listen to it. 1 way is going to sound horribly wrong lol. that will mean you hooked up the tweeter leads to the woofer. but DO NOT HOOK UP WOOFER LEADS TO TWEETER. thats why i say to do it on woofer.

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Could u please send me a circuit diagram of Peavey sp2 crossover with the exact rattings or values of the parts? cos the image of the bulb you have sent is different from the one in my speakers


Here is a link to forum that someone has posted the soundguard protection circuit down the page:

http://forums.peavey.com/viewtopic.php?f=26&t=2168&view=previous

The 1156 lamp MAY have slightly different shapes but is an automotive lamp. If the bulb is blown, the polyswitch fuse is likely blown as well.

Jan 14, 2011 | Peavey SP2 PA Passive Speaker

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Whats the wattage of the bulb used in peavey sp2 crossover, my sp2 peavey speaker bulb is blown


The lamp is an "1156" lamp... replace with that part number. Here :

http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=524517&k=lamp%201156

Or you can find it at auto parts store.

LIKELY the polyfuse device is ALSO gone... Probably similar to this one (1.1 amp, trip 2.2 amp):

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=F2010-ND

or this one (1.85 amp, trip 3.7 amp):

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=F2013-ND

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1 Answer

Sp5 peavey stop working it is getting the signal and you can pulg another speaker in the normal port and the other speaker works


The "in" and "out" jacks on the speaker are connected in parallel, so the fact that the other speaker works really doesn't tell us much. If you are not getting any sound at all from either the woofer or the horn, than the internal crossover is probably the defective part. The easiest way to hunt this down is to remove the rear plate that has the connectors on it and try each speaker directly,. Assuming that each speaker works, replace the crossover. Parts should be availabel from, Peavey directly. Call them and speak to the service parts department.

Dan

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Run a sub woofer to a peavey board


I would recommend using a separate active crossover such as the Peavey 23XO and a separate amp for your subs.

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