[AMPS] HA-10 Conversion to 572B Tubes

[Don Havlicek]

Bill,
If you increase the anode voltage, my greatest concern would be the
voltage breakdown ratings of the tuning caps and the tank coil.  Don't
think there's much room for error there!  Most Heathkit stuff was NOT
built for mods that include higher voltages.
You'll probably have to do a LOT of work in that power supply, too ..
caps, etc..
Don 
N8DE

Bill Smith wrote:
> 
> Just acquired (real cheap) a Heathkit HA-10 with a
> blown Plate transformer and no tubes.  Everything else
> is in like new condition.  Since the amp looks like
> new I'm thinking I should install a new Plate
> transformer of sufficient voltage and power
> capabilities to power up four new 572B tubes.  This
> would increase the power out and I would gain some
> plate dissapation capibilities as well.
> 
> Any thoughts?
> 73,
> bill
> 
> 
> 
> =====
> Bill Smith KO4NR
> 
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