[Boatanchors] HT-37 Caps

[fkamp at comcast.net]

"Boatanchor at alliedinformation.com" wrote:
> 
> I am looking into restoring an old Hallicrafters HT-37. Yes, I saw the
> great article in QST, but he had better luck than I did. He basically
> cleaned it up and turned it on and it worked. My caps are shot.
> 
> There are two filter caps in there that are 10mF at 600 volts! I have
> checked Mouser and Digikey. Nothing they have comes close to 600 volts.
> Where do I go to get these huge caps?
> 

You will probably have to hook two 20mf/300 volt
caps in series.  A more common value would be 33mf
at 450 volts.  Two 33mf at 450 volts will equate
to a 16.5mf at 900 volts.  Connect equalizing
resistors across each cap. 100k, 2watt, metal film
would work.

Regards,
Frank Kamp
K5DKZ