Tube Amps / Music Electronics
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|1/25/2006 2:26 PM|
I'm thinking about making a cathode bias champ type amp with a 6550. I've never dealt with 6550's before, what value should I start at for the bias resistor? (I've got big iron so I'm good to go there.)
|Doug Patterson Something in the 250 ohm to 350 ohm... -- 1/26/2006 6:48 AM|