[ARC5] Drift in BC-453 - more

[Kenneth G. Gordon]

On 12 Dec 2017 at 0:00, spr at earthlink.net wrote:

> Yes, but it doesn't have the truly horrible AVC LO frequency pulling that 6A7and 6A8 have.

True, but both of those were early tubes that the 'K8 was supposed to supplant.
 
> >
> >6/12K8 is the absolutely noisest "converter" tube in Terman's entire long list. I hate the thing 
> >for that, but it does work well enough in the "ARC-5" receivers....
> >
> >Ken W7EKB 
> 




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