[Boatanchors] Nuvistors in Gonset Comm IV (2m) & Halli SR-42A

qrv at kd4e.com qrv at kd4e.com
Fri Mar 24 22:43:49 EDT 2017

OK, the Nuvistor in the SR-42A is a 13CW4

The Gonset Comm IV uses a 6CW4 (found my magnifying glass).

Thanks & 73, DavidC KD4E

> I have observed nuvistors in both of my versions of these rigs
> but I cannot find schematics that show them.
> The Edebris site must have the older versions of each rig.
> I can't read the serial # on the Comm IV.
> My Halli is the SR-42A model.
> Anyone have an answer, please?
> Thanks & 73, DavidC KD4E

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