Re: [Amps] Weird Tubes

["Carl" <km1h@jeremy.mv.com>]

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@uky.edu>
To: "Barrie - Yellowstone Photo" <barrie@yellowstonephoto.com>; 
<amps@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@contesting.com] on behalf of Barrie - Yellowstone 
> Photo [barrie@yellowstonephoto.com]
> Sent: Wednesday, January 29, 2014 6:01 PM
> To: amps@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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