[Amps] Weird Tubes

[Col. Paul E. Cater]

That should be 8' (feet) tall----


On Thu, Jan 30, 2014 at 11:26 AM, Carl <km1h at jeremy.mv.com> wrote:

> One of my dads friends was an old time ham and I was invited to his house.
> Unfortunately I dont remember his call but it was W2B?? and this was around
> 1954-55.
>
> On the roof was a HB 3el 20M yagi. In the house was the PP VT-127A amp
> along with a SX-28. The transmitter was home brew and ran on 20M CW only.
> On the floor in the corner was a big pole pig transformer.
>
> When run at his CW speed the anodes were white. Many years later when I
> had a better understanding I had to assume that the 1000W input rule was
> being seriously abused (-;
>
> Carl
> KM1H
>
>
> ----- Original Message ----- From: "Fuqua, Bill L" <wlfuqu00 at uky.edu>
> To: "Barrie - Yellowstone Photo" <barrie at yellowstonephoto.com>; <
> amps at contesting.com>
> Sent: Wednesday, January 29, 2014 10:32 PM
> Subject: Re: [Amps] Weird Tubes
>
>
>   I picked up an old HB amplifier that had two VT-127 triodes in it at
>> Dayton a few years back.
>> Just could not resist it.
>> 73
>> Bill
>> ________________________________________
>> From: Amps [amps-bounces at contesting.com] on behalf of Barrie -
>> Yellowstone Photo [barrie at yellowstonephoto.com]
>> Sent: Wednesday, January 29, 2014 6:01 PM
>> To: amps at contesting.com
>> Subject: [Amps] Weird Tubes
>>
>> I recently built a class C amp using a push-pull pair of VT-127As.  These
>> tubes
>> are WW2 radar
>> tubes; sort of a cross between a 100TH and 100TL.  The glass is much
>> different.
>> Looks like a spaceman.
>> The partially completed modulator will use a pair of VT-327As; a very
>> similar
>> tube, but with twice the
>> filament power.  The setup should put out 500 watts of AM, or CW.
>>
>> The reason I'm building this rig is that a high school buddy, Scott,
>> W7TLZ's
>> father (a ham) built him
>> a pair of VT-127As for 40M CW.  When I saw that rig, with the plates
>> glowing
>> bright red each time
>> hit the key, I almost cried.
>>
>> Then I went home and looked at my single 6L6 rig.
>>
>> Well, Scott is now SK, so the rig I'm building is the "W7TLZ Memorial
>> Transmitter".
>>
>> 73, Barrie, W7ALW (since 1950)
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>>
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