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First place I'm calling is Super Fuzz Audio, but I'd like to hear other suggestions too. We have that tour coming up and I'd like to send it somewhere today or tomorrow. Anywhere else reliable and affordable?

Issue: signal cuts out (sounds like it's being converted to 8-bit), usually with lower signal strength. At the end of the last song of practice on Tuesday I didn't have any sound at all.

Cheers!
 

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Chris at music pro in barrie repaired mine. Dirt cheap too.

I only say this, cuz I know you're here on occasion.
 

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Chris at music pro in barrie repaired mine. Dirt cheap too.

I only say this, cuz I know you're here on occasion.
Im actually there saturday for the weekend, but its out of the way for an amp repair. Dirt cheap holds appeal though.
 

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Im actually there saturday for the weekend, but its out of the way for an amp repair. Dirt cheap holds appeal though.
I should've mentioned that he's only in tues-thurs, so you'd have to leave it there...sorry.
 

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I should've mentioned that he's only in tues-thurs, so you'd have to leave it there...sorry.
I also have to figure out a rental/loaner
 

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Does this particular model of 800 have an effects loop?
If so, and if you don't normally use the loop, put a short patch cable between the send & return (or pre-out & pwr amp in). If that cures it, keep it. The patch cable is more reliable for road use/touring. There are switch contacts in the return jack that route the signal through to the pwr amp when the loop is not in use. If those contacts oxidize, you get drop outs & volume loss. The patch cord bypasses those switch contacts.
 

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Thanks JB - no loop, its not the reissue.

Taking it to Chris on Monday and gotta find a loaner!
 

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Does this particular model of 800 have an effects loop?
If so, and if you don't normally use the loop, put a short patch cable between the send & return (or pre-out & pwr amp in). If that cures it, keep it. The patch cable is more reliable for road use/touring. There are switch contacts in the return jack that route the signal through to the pwr amp when the loop is not in use. If those contacts oxidize, you get drop outs & volume loss. The patch cord bypasses those switch contacts.
Crate VC series amps were notorious for that issue.
 

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Crate VC series amps were notorious for that issue.
Yep, and almost any thing that uses a series loop with switching jacks. Also insert points in mixers that use TRS insert jacks that you need insert cables for.
This is a nice explanation of the problem and solutions:
 

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Yep, and almost any thing that uses a series loop with switching jacks. Also insert points in mixers that use TRS insert jacks that you need insert cables for.
This is a nice explanation of the problem and solutions:
Footswitch switching jacks as well.
 

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I'm glad to see it was only gaff tape. I initially thought is was aluminum foil. YIKES!
 
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Discussion Starter #19
I'm glad to see it was only gaff tape. I initially thought is was aluminum foil. YIKES!
Me too!

So as it happens, it's a faulty speaker jack on my 412 that's causing the issue. I have a loaner TSL100 and as soon as I powered it up on Tuesday, the exact same issue happened. Since the JCM800 saw no load at some point during last week's practice, Chris is still going over it to make sure I don't get any surprises on our tour next month. I borrowed a friend's 212 cab for yesterday's practice, and will be sorting out getting the Orange fixed up.
 

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I hope your output transformer didn't take a hit when the cab connection failed o_O
 
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