Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: unclerny on May 14, 2012, 10:15:14 am

Title: peavey vintage with board archs
Post by: unclerny on May 14, 2012, 10:15:14 am
Hi Forum, very long time, my apologies.  I'm working way too much.

Anyway, I'm trying to rebuild an old peavey Vintage amp and I know this amp has hard a really hard life being flooded once.

I've replaced the xfers as the previous owner thought it was a good idea to turn it on and see what happens.  That being said don't call peavey asking for new xfers as I've bought the last ones.

so now that amp is working again with some sizzling and I tracked this to arching that's visible in the PCB.  These things use those 6c10 tri-triods and again peavey has no boards left.

Now the questions.  The owner wants this running again.  He's approved whatever I come up with and my opinion is a new board with chassis mounted tubes instead of PCB tubes.  I have limited space but I thought about putting in a 5E6 bassman circuit which isn't that far from whats there.

I really want that cathodyne PI but this will be feeding four 6L6s.  Are there any known reasons NOT to do this?

I want to get away from the 6C10 tubes for obvious reasons and I'm like to give this guy a crazy cool old school circuit that I know he'd love IF it would work.  I'm not up on the history as to why fender went to the long tail pair although I'd think knowing Fender it had to do with cleaning up the amp.

Any Suggestions would be most welcome.

Thanks, Tim
Roadhouse Music
UEE
Title: Re: peavey vintage with board archs
Post by: phsyconoodler on May 14, 2012, 10:21:03 am
The long tailed pair has more drive and subsequently more output power as well.The cathodyne pi is the cleaner of the two.
  Stick with the long tailed pair.A bassman circuit would be better that the Peavey any day of the week IMHO.
  A 4-6L6 Bassman would rock out 90 watts of rip your ears off glory.

And......be way easier than trying to rebuild the stock peavey crappola.
Title: Re: peavey vintage with board archs
Post by: unclerny on May 14, 2012, 11:27:29 am
Yeah, that's what I was thinking.  The basic vintage is very much like a Bassman.  I recently read a Dave Hoffman article on the 5E6, maybe it was the 5F6 but he mentioned the cathodyne PI so that should be a 5E6.  Anyway he talked about how much he liked the unique sound the C PI imparts.

Thank you for the reply, it's all food for thought.

Tim
Title: Re: peavey vintage with board archs
Post by: Jack1962 on May 14, 2012, 12:20:54 pm
I have to agree with phsyco (on part of what he said) I would go for a Bassman or my personal favorite the ProReverb. As for Peavey being crap I disagree the Peaveys made before 1985 are all made in the USA and are built like tanks, made with as good if not better parts than any Fender.