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In Reply to: RE: More Info Provided! posted by thetubeguy1954 on December 23, 2016 at 16:39:58
"At least that way he could compare the capacitance on his first filter cap and see if Cary is keeping up with their infamous use of too much capacitance in the first filter cap!"He doesn't need a schematic.
What he needs to do is look at the first cap and tell us what value it is.
If it's to big for the rectifier tube then he needs to decrease it's value.
The schematic above shows a 1200uf cap right after the rectifier tube.
The link below for the CAD 2a3 SE manual shows that 2 1200uf caps are used in the power supply.
If we put 2 and 2 together I think it's safe to say Cary is keeping up with their infamous use of too much capacitance in the first filter cap but the guy with the amp can know for sure just by looking.
Have him look. If he doesn't know how to tell what comes after what, instruct him.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Edits: 12/24/16 12/24/16Follow Ups:
Tre'
Thanks so much for this input. I'm going to send my friend a link to your post and see if it helps him.
I'm listening to: Elixir by Fourplay
Thetubeguy1954 (Tom Scata)
Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
I believe that the CV378/53KU shown in the schematic is same as the GZ-37. Several decades ago I owned a Quicksilver KT88 amp which also had a huge first cap in the PS. The GZ-37 is an extremely robust rectifier and the only one I found that could last in the Quicksilver. I would recommend that the OP try a GZ-37. Sadly, they are no longer $16 which is why I recommended the 5V3/5AU4.
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