K&K Audio / Lundahl Transformers

arc update

64.241.37.140

Hey Kevin,
My email server is down so I'm updating here. Had a couple of "crackles" from the amp last night, so I popped the hood this afternoon. One of the output tube grid-stoppers looked scorched. It measured about 80% of it's value. It seems one of the output tubes is the guilty party. Replaced resistor and re-tubed both output stages and everything seems fine for now. Tantalums do smell bad when they fry! Might be a good idea to have these resistors accessible on the commercial version of these amps. -JT

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RE: arc update - KevinC 18:37:22 10/25/09 (0)

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