[AMRadio] Ferroresonant transformer revisited

Rick Brashear rickbras at airmail.net
Wed May 10 13:47:33 EDT 2006

I don't know if I can afford it, but I'd like to see some pictures.  How 
far along is it and which parts are still needed?  I'm assuming there is 
no HV supply, so what would it require about 2500 volts at half an amp?


W5OMR/Geoff wrote:

> Other than testing the filaments, no - I don't know of a way other 
> than comparing it in an amp designed to use 'em.
> Speaking of which, Rick... I've got an amp that someone started to 
> home-brew, designed around a 450T.  Filament is 220v primary, at 7.5v
> big peice of copper tubing for a coil, tapped for 80, 40, 20 and 10m.
> And, I have a brighly glowing 450TL to go along with it.
> If you're interested, I'll send some pictures of it.
> -- 
> 73 = Best Regards,
> -Geoff/W5OMR

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