6G3 Deluxe Ptrans

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wshubert
Junior tube assistant
Posts: 1
(3/18/04 3:20 pm)
 6G3 Deluxe Ptrans
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 I have a old hammond ptrans with 600ct vac 150ma output.
I'm not sure what a stock deluxe ptrans puts out. I've heard
that they run 6V6's a little hot. thought I'd ask b/4 trying it out,300vac seems a bit low. Thanks

I got the amp upand running and it sounds great! I played it for about an hour , a little over half volume. bias = -26v/41ma
and all other voltages seem ok. chassis was not mounted in the cabinet. after turning the amp off I felt the power trans
and it seemed to be too hot. But have never grabbed my power trans right after playing for a hour. anybody ever measure the temperature of a power trans after playing that long? Just thought I'd ask.

Edited by: wshubert at: 3/29/04 3:49 pm
 
6G6
Junior tube assistant
Posts: 138
(3/18/04 10:04 pm)
 Re: 6G3 Deluxe Ptrans
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 That trans, with a GZ 34, will get you around 390V.
Maybe a little hot for 6V6s, but there are some out there hotter.
 
wshubert
Junior tube assistant
Posts: 2
(3/19/04 10:03 am)
 Re: 6G3 Deluxe Ptrans
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 thanks for the help. my 6g3 schematic isn't very clear,looks like it shows 375 per leg,anyway thanks again
 
PHATamps
I only work on tube amps
Posts: 427
(3/19/04 7:03 pm)
 Re: 6G3 Deluxe Ptrans
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 The schematic I have shows 333 per leg of the secondary with 375 off the GZ34, which doesn't really figure unless it was a low current PT.

You'll get about 390-395 loaded off the rectifier like 6G6 said. Personally, I like the sound of EH 6V6s at 390V (I'll bet the new JJs are even better). I built a hopped-up 6G2 circuit that runs at 382V and sounds great.
 
wshubert
Junior tube assistant
Posts: 3
(3/22/04 10:57 am)
 Re: 6G3 Deluxe Ptrans
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 thanks for the info. all you guys on this forum are the greatest .I've been reading thisforum for awhile now, and have had most of my questions answered . I really didnt think that there were many people still interested in tubes. I guess
I needed to put "tube amps "SEARCH sooner.
 
 
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