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Post subject: SKX-65R non-functioning reverb
Posted: Wed May 05, 2010 4:50 pm
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Hi all, just looking for a little help with this amp. I'm an electronics tech, though I am inexperienced with guitar amps, or really audio in general.

I've been told this amp is similar to a Frontman 65R, though a decade or so separates them (this SKX-65R is from 1993). It's been hard to find info on this amp, though I do have the schematic.

The spring reverb worked when I bought it a couple months ago, but I had to fix the jacks for the effect loop and the reverb hasn't worked since then. I still get the crashing spring sound when I shut off the amp though, so parts of it are working ok...

I've checked the reverb tank (it's an Accutronics), and the springs haven't broken, and I still get resistance on both coils. I get a small voltage going into and out of the tank (very low, ~.02v), but I'm not sure if that's the appropriate level or not (doubt it). The 2 RCA cables are fine, as I checked them for continuity. I'll post more info as I figure it out, but I'm done for today...

Anyone have any ideas, or should I wait until I eventually fix my oscilloscope to test it further?


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Posted: Mon May 10, 2010 11:31 am
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Location: Northern Ontario, Canada
Have you asked Mike Eldridge?


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Posted: Mon May 10, 2010 4:06 pm
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No, I haven't. Didn't think of that...

*edit*

I posted a thread in his section, and he replied that it's out of his area of expertise.


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