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

[howard holden]

Actually I believe the 6L6 came first, 1935/1936, followed by the 807 a 
year or so later.

73, Howie WB2AWQ


On 9/16/2016 1:01 PM, Jacques Fortin wrote:
> Hi Mike,
>
> First came the 807, then came the 6L6G, then the 6BG6G, which is a 6L6G with
> a top plate connection (intended to be used as an horizontal deflection
> amplifier in TVs).
> So the 807 and 6BG6G are identical, except for the base.
> I once used a 6BG6G in a Wireless Set #19 MkIII, in place of the 807 final,
> with a socket change...
>
> 73, Jacques, VE2JFE
>
> -----Message d'origine-----
> De : Boatanchors [mailto:boatanchors-bounces at mailman.qth.net] De la part de
> Michael Clarson
> Envoyé : 16 septembre 2016 15:22
> À : Boat Anchors List <boatanchors at mailman.qth.net>
> Objet : 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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