Hi group

 

Thanks for the answers, but I didn’t gett he answer I wanted, though.  Although inspired by the prices of Sylvania 6JB6, my interest moved to the more technical side of the neutralizing process.  The neutralizing is described in the compendium from Eimac http://www.cpii.com/eimac/cf.htm.  I was wondering if I had understood this process correctly.   

An alternative is to exchange the PA tubes with 6146B, but this is a far greater task to undertake, and I won’t do that.

I will try to pad the neutralizing cap with a 20pF cap, and post the results here.

 

73's de LA1CU Karl

email:  [EMAIL PROTECTED]

 

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