[Boatanchors] 19, 30 & 31 tube info
WA5CAB at cs.com
WA5CAB at cs.com
Thu Jan 27 11:40:33 EST 2011
No, unfortunately in this case the TBX through TBX-6 use four 34's (and one
1C6 and one 837).
In a message dated 1/27/2011 12:57:01 AM Central Standard Time,
holden7471 at msn.com writes:
> TBX's use a 30 or two I believe, and anyone interested in building a good
> regen, the Doerle Twinplex (1932 design) uses a 19. I built one about 10
> years ago, and it works FB.
>
> Howie WB2AWQ
>
>
> ----- Original Message -----
> From: Carl<mailto:km1h at jeremy.mv.com>
> To: LARRY D GODEK<mailto:telegrapher at q.com> ;
> boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net>
> Sent: Wednesday, January 26, 2011 6:40 PM
> Subject: Re: [Boatanchors] 19, 30 &31 tube info
>
>
> Those are all early 30's tubes for battery powered farm radios. They
> have
> minimal value as the needs are low with restorers.
>
> I'll take them and offer to those folks rather than have them trashed as
> Im
> heavier into old wooden sets than boatanchors.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "LARRY D GODEK" <telegrapher at q.com<mailto:telegrapher at q.com>>
> To: <boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net>>
> Sent: Wednesday, January 26, 2011 8:50 PM
> Subject: [Boatanchors] 19, 30 &31 tube info
>
>
> >
> >I have a box full of 19, 30 and 31 type tubes. Are they worth
> anything?
> >I suspect early 1900's radio sets may have used them. My Hickok tube
> >tester won't check them so i guess checking for fil continuety will be
> >about the extent of testing.
> >
> >>From a GE Essential Characteristics manual:
> >
> >Type 19- Twin Triode Power Amp, 2.0 Vdc fil., 135 V plate
> >
> >Type 30- Medium Mu- Triode, 2.0 Vdc Fil, 180Vdc max plate
> >
> >Type 31- Power Amp Triode, 2.0 Vdc Fil., 180Vdc plate, .375W output
> >
> >Larry
> >W0OGH
>
Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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