Surplus Sales of Nebraska has some of them.
Fair Radio Sales has some of them.
Check E-Bay for some of them.
73
Bob, K4TAX
----- Original Message -----
From: "Gary Smith" <Gary@doctorgary.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Monday, February 09, 2009 7:29 PM
Subject: [TenTec] Doorknobs needed - Was: Ig drift on amps
> It appears I likely need to replace at least some of the padding
> capacitors in the tank on my 425 to stop the Ig drift on the lower
> bands. To do a clean sweep, what I need to replace are the following.
>
> A. (C6, C7) Two 1000pf @ 5KV series 858s doorknobs
>
> B. (C17) One 500pf @ 5KV series 858s doorknob
>
> C. (C18, C20) Two 300pf @ 5KV series 858s doorknobs
>
> D. (C15) One 400pf @ 15K Series HEC HT57 doorknob
>
> E. ( C16) One 270pf @ 2KV disc: Ceramic?/Mica? which is about
> 1"x3/32" and is glossy yellow. On the side it reads:
>
> RMC 270 J
> 2KV P 3
>
>
> I would like to change "E" to an 858 series doorknob, making it a
> 270pf @ 5KV series 858 doorknob.
>
> The Drifting Ig issue is really a problem on the low bands and I'm
> concerned about damaging the tubes. If you have any of these caps in
> as new condition available, please contact me off list.
>
> Thanks!
>
> Gary
> KA1J
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
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