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1/25/2006 2:26 PM
Bob 6550
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.)  
1/26/2006 6:48 AM
Doug Patterson

Something in the 250 ohm to 350 ohm range should do. To be safe, start with 330 ohms.  
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1/26/2006 12:49 PM
thanks- that's what I was thinking!
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