[BC] All-American Five... and more

[Harold Hallikainen]

> Also, speaking of line-voltage filament strings, remember the
> 117L7/M7-GT/G tube?  It was an octal with a 117V
> filament.  I believe it was a pentode with a half-wave
> rectifier in the same package.  Some "phono oscillator"
> I had used one of these... Sort of like Mattel's "My First
> Radio Station."

I think I saw a similar tube in one tube phonographs. There were also some
that used a second winding on the shaded pole induction motor as a
secondary to drive the filament of the audio amplifier.

Harold


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