6146 Replacement

[Brian Carling]

Doug - take a look at the screen grid circuit.
Does it have an open resistor?
Or has the value gone high?
That will limit your plate current if it is.

You should do fine with any of those other type 6146 variants.

> currently working on fixing up a Heathkit DX-40 transmitter.  
When
> dipping the plate and peaking the grid current into a dummy load I can
> only get about 55ma out of the 6146 final.  The manual says it should
> show 125ma when properly tuned.  With each increase in loading the plate
> current starts at a higher level but than drops down to 55ma.  I checked
> the 6146 and it appears to be faulty.  I would like to replace it but
> I'm not sure which of the 6146 variants to use.  I checked a few sources
> on the net and I couldn't find any plain 6146's, just the A, B, or W
> variants.  Which one will cross over?
> 
> Doug  VE7DRF
> 
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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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