[AMRadio] Screen Modulated 813

Geoff/W5OMR ars.w5omr at gmail.com
Mon Dec 11 12:19:51 EST 2006

david knepper wrote:
> If you have one tube like aan 833A running slightly cherry and the 
> other is not showing any color, then, the latter is a weak tube.  The 
> former has low emission, in other words.

Not all 833's are created equal. 

Your statement is not necessarily true.


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