Re: [Amps] Unknown tube amp

["Fortra" <fortra@siol.net>]

Hi Chris,

could it be VT4C the tubes used in BC-610F transmitters??!
There were 4 of them, could not remember the exact function of the other 
two??

Nermin S58DX
----- Original Message ----- 
From: "Verner Topsøe-Jensen OZ5TG" <oz5tg@post2.tele.dk>
To: <amps@contesting.com>
Sent: Sunday, December 12, 2004 10:21 PM
Subject: Re: [Amps] Unknown tube amp


Chris,

Do You know the heater voltage ?

OZ5TG, Vern

----- Original Message ----- 
From: "Mike Sawyer" <w3slk@uplink.net>
To: "Chris Howard" <chris@yipyap.com>; <amps@contesting.com>
Sent: Sunday, December 12, 2004 10:12 PM
Subject: Re: [Amps] Unknown tube amp


> I'm just kind of curious whether it may be a socket for a 3A200. These 
> were
> pretty much used in the old FAA A-and-N transmitters. The unusual thing 
> was
> they had a 3-pin base and 2 grid connections on the envelope. A old friend
> of mine, now an SK, had a large supply of these and we were contemplating
> using them in an AM transmitter.
> Mike(y)
> W3SLK
> ----- Original Message ----- 
> From: "Chris Howard" <chris@yipyap.com>
> To: <amps@contesting.com>
> Sent: Sunday, December 12, 2004 2:48 PM
> Subject: Re: [Amps] Unknown tube amp
>
>
>
>
> Here are the pictures!
>
> www.yipyap.com/radio_stuff/PA-1.jpg  is the front
> www.yipyap.com/radio_stuff/PA-2.jpg  is the side
> www.yipyap.com/radio_stuff/PA-3.jpg  is the back
> www.yipyap.com/radio_stuff/PA-4.jpg  is to get
>  an idea of the height of the tube.  Notice the
>  hanging plate cap connector at about 9 inches
>  and the side cap thing at around 4-5 inches
> www.yipyap.com/radio_stuff/PA-5.jpg  is a picture
>  of the tube socket.  The socket is white ceramic, that's
>  hard to see in the photo.
>
> Thanks!
>
> Chris
> kc0atc
>
> p.s.  taking that down-the-socket shot was kind of tricky.
>   I ended up getting a good exposure with my cheep-o
>   digital camera by covering the flash with a couple layers
>   of kleenex, setting the camera to macro, and shooting
>   blind a few times.  It's sure a lot easier to experiment
>   with a digital camera, just throw the duds away!
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