I always thought the 6161 was a neat tube. A bit low on gain but a lot more
gain than a 1616.
73
Bill wa4lav
At 10:02 PM 7/30/2012 -0400, Carl wrote:
>There is nothing wrong with a lot of old tech tubes.
>
>I have several old fashioned 7213's and a couple of the 7214 pulse version
>and always wanted to build something around them.
>For now they are just spares for military cavities retuned to 222 and 432 .
>
>Many moons ago in the mid 60's I used 6161's that were given to me NIB when
>a CH 56 transmitter was scrapped, I was the tower ape at that site doing on
>call moonlighting when needed as I lived about 5 miles away. Thats when I
>was taught about cavity and flat plate designs and had them as high as 1296
>with decent efficiency considering the frequency
>
>Carl
>KM1H
>
>
>
>----- Original Message -----
>From: "Bill, W6WRT" <dezrat1242@yahoo.com>
>To: "AMPS" <amps@contesting.com>
>Sent: Monday, July 30, 2012 9:16 PM
>Subject: Re: [Amps] Another interesting tube
>
>
> > ORIGINAL MESSAGE:
> > On Mon, 30 Jul 2012 20:55:19 -0400, you wrote:
> >
> >>Glass instead of ceramic and only a 150C seal limit means lots of air when
> >>trying for 1500W.
> >>That really is an ancient technology tube and is only good to 6M.
> >
> > REPLY:
> > All true, but the tube is so cute! :-)
> >
> > Seriously though, I would run two in parallel if going for 1500 watts. And
> > lots
> > of air.
> >
> > And spend the money I saved on antennas.
> >
> > 73, Bill W6WRT
> > _______________________________________________
> > Amps mailing list
> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
> >
> >
> > -----
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> >
>
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