"Ron Hubbard" <ryon@[EMAIL PROTECTED]
> wrote in message
news:add5c12c-1a93-43b8-bea3-0509af48e5b9@[EMAIL PROTECTED]
> I bought a bunch of vacuum tubes from a surplus electronics store
> that was going out of business, so many of them weren't marked as to
> what tubes they were-- but they were cheap. One in particular is a
> large eight inch tube that has four pins at the bottom and two
> connectors for electrode caps, one at the top and another one sticking
> off to the side in an "L" shaped arrangement.
>
> It's obvious it's a power tube of some sort, but does anybody have any
> idea what kind? Diode or triode? I don't know if it's a tube number,
> but marked at the base by the filaments is the number 35049... Any
> help indentifying this tube would be appreciated.
>
> Ron
Hard to say without more info, but it may be an 810, Transmitting Triode.
The max ratings of this tube are 2750 plate voltage, 250 ma plate current,
175 W dissipation., 10 volt fil. The base has four short pins. The grid is
the side cap and the plate the top cap. The tube is 8 1/2 in long and 2
9/16
diameter. The base is a bayonet mount.
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