[Boatanchors] sweep tubes (was Re: Galaxy V)

[Michael Clarson]

Rodger: I bet it was tough to overload the 2C39 rcvr front end! --Mike,
WV2ZOW

On Fri, Sep 16, 2016 at 4:05 PM, Rodger Singley <wq9nsc at live.com> wrote:

> Michael,
>
>
>
> That must be another descendant of the 6L6 which provided the basis for
> the 807 (and military 1625 variant).  I believe this is the first time I
> have heard of someone using a transmitting tube in a TV set instead of a
> sweep tube in a amateur transmitter, well done ?
>
>
>
> The October 1956 issue of Radio and Television news contained a
> construction article for building a 2 meter grounded grid receiver
> preamplifier using a pair of forced air cooled 2C39 transmitting tubes
> which was also rather unique.
>
>
>
> Rodger WQ9E
>
>
>
>
>
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
>
> From: Michael Clarson<mailto:wv2zow at gmail.com>
> Sent: Friday, September 16, 2016 2:22 PM
> To: Boat Anchors List<mailto:boatanchors at mailman.qth.net>
> Subject: Re: [Boatanchors] sweep tubes (was Re: Galaxy V)
>
>
>
> I did the opposite. I used a transmitting tube in a TV. In our 17" RCA from
> the early 1950s, the 6BG6G sweep tube went bad. Comparing to an 807, the
> insides looked the same. Checking tube manual data, the two tubes were
> identical to very close. I wired up a 5 pin to octal adapter, and it worked
> just fine until the TV was scrapped in the 1970s. I found it quite
> interesting that the 6BG6G (not 6BG6GT or later) and the 807 are probably
> the same tube with a different base. Anyone know this fore sure? At the
> next hamfest, dig around the boxes of tubes and pick out a 6BG6G and check
> it out. --Mike, WV2ZOW
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