[ARC5] SCR-274N Update

[mac]

Last time I looked not enough drive available in an SCR-274N xmtr to  
get two 1625s into class C when working according to specs, just about  
enough for one tube....

Dennis D.  W7QHO
Glendale, CA

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On Oct 1, 2013, at 4:18 PM, Ian Wilson wrote:

> Have you checked the grid current on the problem TX? If the
> drive from the oscillator is low, the tubes won't be in Class C,
> and the matching network might not stretch to the impedance that
> the plates want to see.