In Reply to: KT88 Push Pull Mono Amp - Power Supply Problem posted by mathieudutil@hotmail.com on July 10, 2010 at 20:08:28:
I tried the Sovtek 5AR4/GZ34 a few years ago out of curiosity and I had a lot of problems (arcing just as you described) with them. I'm certainly no expert, but your "layout" sounds reasonable to me, although I'd use a bit less capacitance myself. I'd start off with a new rectifier tube, even a 5U4G, to see if the Sovtek isn't the problem. Good Luck, regards, wpod
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Follow Ups
- Do you have another 5AR4 (preferably USA or Mullard Brand) that you could substitute?? - wpod 07/11/1005:44:49 07/11/10 (1)
- Pull the rectifier - FenderLover 06:11:35 07/11/10 (0)