[ARC5] Transistorized ARC-5 Receiver

Phillip Carpenter carpenterpa at tds.net
Sun Jan 1 16:16:25 EST 2017


Jim,

I'll ask him if he were to develop a SS tube replacement if he puts a resistor in there for the filament.

My guess is that the plug in SS tube replacement simulates the tube functions nearly exactly.

Phillip W4RTX 

Sent from my iPhone

> On Jan 1, 2017, at 4:04 PM, Jim Haynes <jhhaynes at earthlink.net> wrote:
> 
> If a guy is going to make a solid-state replacement for a 12SK7, a
> question is whether to include or omit a resistor that replaces the
> heater.  Should be easy to make that a strap option unless you are
> going to build the whole thing into a glass tube envelope.  For replacing
> a 12SK7 in a series-string heater arrangement you'd need the resistor.
> 



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