[TenTec] Source or Substitute for Argonaut 509 Final Transistors PT3647?
Frank Castelluccio
wb2lrr at yahoo.com
Sun Jul 15 15:38:59 EDT 2007
Hello to the list,
Does anyone happen to know of a source for the PT3647 final transistor used in the Argonaut 509? Perhaps even a readily available substitute for those transistors?
I can find them all over the web but unfortunately those huge obsolete device clearing houses who bought up all the surplus wont sell me 2 of them. Very frustrating indeed when they all want a minimum of $150-200 dollars per order.
I have 2 509's here and one needs some work including replacing blown finals, my intent is to fix it up for my nephew who has a budding interest in Amateur radio.
Any suggestions or direction on this would be greatly appreciated.
Frank
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