[Hallicrafters] Re: [Boatanchors] simple transmitter using the 1625tube

Revcom revcom at wbsnet.org
Tue Nov 18 14:23:31 EST 2008


Got corrected.  The 837 has a 12V filament.  P&H offered it as a substitute 
for the -modified- 1625s.
Got home and looked it up on old QST ads.  Robert got me straightened out.

I think the P&H early 400 even used a roller inductor from and ARC-5 TX for 
their tank coil?

Rod
K0EQH



> While I can't think of any, are there any other circuit configurations for
> ham applications, other than GG, when it would beneficial or necessary to
> disconnect the suppressor grid (by cutting the base) and bringing it out 
> to
> its own pin?
> 73,
> Chris



More information about the Boatanchors mailing list