HW 101 good late vintage clean and works great...except.......

[Fred Wittman]

W5EUQ wrote:

> Have one that works great.  However, it only gets abut 50Watts 
> out...even though I have changed tubes... not only 6146's but 6CL6's 
> and 6CB6's....   The tubes I have, I have checked in other HW's and 
> they produced 110watts or 100 watts output... BUT in this one they 
> don't...   I've checked the 2.2 Ohm cathode resistor, the screen 
> resistor and voltage.  The RF choke is red and not burned or brown.  
> I've tried loading into a dummy load and an antenna of known quality...
>
> Any suggestions?  this one is eating my lunch and I need to get on to 
> other radios...  am I missing something obvious? thanks, Bob
>
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Bob,

This may be a dumb suggestion, but have you checked the neutralization 
of the finals?  I had a Yaesu FT-902DM that only put out 50W (dual 
6146B's) and that was its problem.  After neutralizing it gave me 180W.  
Just a thought.

Fred - KG6NYK

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