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Hey, What's up. I'm new and I have a question for you guys who know a lot more than I do. I just got a new, used, amp (Peavy Revolution 112) and one of the input jacks is loose and the other is missing. I've read a lot about shock hazards with amps, is there a high risk of getting shocked when tighting this up? Or should I be ok?
Thanks,
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Originally Posted by Driscoll Hey, What's up. I'm new and I have a question for you guys who know a lot more than I do. I just got a new, used, amp (Peavy Revolution 112) and one of the input jacks is loose and the other is missing. I've read a lot about shock hazards with amps, is there a high risk of getting shocked when tighting this up? Or should I be ok?
Thanks, there shouldn't be any shock hazard fro just tightening up the input jack as long as something isn't wrong in the amp itself
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Cool, thanks.
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Above all else: Don't work on an amp when it's plugged in, no matter what you're working on (unless you really really really know what you're doing and you need it plugged in for a troubleshoot).
But no, the lethal voltages inside a guitar amp (especially tube amps, not so much solid state) don't tend to be near the input jack(s), but closer to the power supply.
Nate
Nate
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btw...welcome to CGR!
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Thanks for the help guys! And the Welcome!
One more question, How would I go about replacing the jack that's missing? I cant seem to find out how to get to it, but then again I havent had the time to look very hard either.
Thanks
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try radioshack
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Thing is you can unplug it but the transformer can hold a charge for a week or more. Thats the thing that will be scary.
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Originally Posted by guitarjockey111 Thing is you can unplug it but the transformer can hold a charge for a week or more. Thats the thing that will be scary. i think you mean the caps can hold a charge, i haven't ever heard of a transformer storing voltage.
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Originally Posted by Driscoll One more question, How would I go about replacing the jack that's missing? I cant seem to find out how to get to it, but then again I havent had the time to look very hard either.
It's probably identical to the jack that that isn't missing (the loose one from your first post). Try to find one of those - if Radio Shack doesn't have it, I've heard that Peavey customer service is decent if not better, and calling them (and possibly forking over a buck or two) should have a part on its way within a reasonable amount of time.
Nate
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Originally Posted by nate95366 It's probably identical to the jack that that isn't missing (the loose one from your first post). Try to find one of those - if Radio Shack doesn't have it, I've heard that Peavey customer service is decent if not better, and calling them (and possibly forking over a buck or two) should have a part on its way within a reasonable amount of time.
Nate Id guess it isn't identical. I own two peavey preamps, both of which have a high and low jack. Peavey is not stingy with schematics though, I would give them a call.
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be careful, some inputs are shielded from ground (part is plastic.) it won't be a problem if you get a cable exactly like the one that was in there, or a proper substitute.
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Originally Posted by BillSPrestonEsq Id guess it isn't identical. I own two peavey preamps, both of which have a high and low jack. Peavey is not stingy with schematics though, I would give them a call.
I guess what I'd wonder would be if the jacks themselves are high or low (impedance) or whether that particular quality comes from a resistor that is also in the circuit, but not a physical part of the jack itself. If they're just jacks (with no internal resistors), the same type of jack can be used for both high and low impedance inputs.
Nate
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I checked the Peavy website and found the number to their parts Department. I'll give them a call when I get off work.
Btw, Thanks guys for all your help.
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Originally Posted by nate95366 I guess what I'd wonder would be if the jacks themselves are high or low (impedance) or whether that particular quality comes from a resistor that is also in the circuit, but not a physical part of the jack itself. If they're just jacks (with no internal resistors), the same type of jack can be used for both high and low impedance inputs.
Nate yeah, I believe at least one of mine is of the resistor in the jack assembly style. Though I hadn't thought that fully through, I guess the schematic will tell.