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

Fred Wittman wittfa19 at EARTHLINK.NET
Wed Jan 24 11:10:46 EST 2007


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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Products bought, sold or traded here is the responsibility of the
parties involved.  This list and the City of Tempe are not responsible
for losses or misrepresentations of any kind.  Buyer beware!

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