[BC] Gates 250T Manual needed...

[dynotherm at earthlink.net]

Those funky tubes must be 810's. Maybe I've got too many cobwebs
in my head, but I don't recall anything but 833's. Of course it
doesn't matter much because all the T's used those 807 driver
boards with direct coupled audio on the modulator. The whole
idea of the T was making everything the same to save money so
working on a 250T using a 1T schematic should not be too
difficult. (Especially for someone as accomplished as Burt. <g>)

Phil Alexander, CSRE, AMD


-----Original Message-----
>From: Harold Hallikainen <harold at hallikainen.com>
>
>The first AM I worked on in 1970 had a BC-250-T. I don't think it had
>833s. As I recall, the tubes had a cap on the top and one on the side. I
>don't remember the type number, though. Things I remember about that is a
>bunch of 807s mounted on a big circuit board on the right side of the
>transmitter with the modulators and finals on a shelf above. On the bottom
>were the mercury rectifiers. I was always afraid to turn that thing off
>for fear that I'd have trouble with the mercury rectifiers on power up.
>
>Harold
>
>
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