> From: w8jitom@postoffice.worldnet.att.net
> To: marv h. gonsior
To: <amps@contesting.com>
> Date: Tue, 1 Jul 97 12:13:33 +0000
> Subject: Re: [AMPS] 8877s
> Priority: normal
Marv,
I tried e-mailing this to you, but it bounced.
> > A number of postings have made reference to a certain time span wherein
> > Eimac was having processing problems with their 8877. IF this is true,
> > would someone kindly let me know what info they have on this? Thanks.
>
> Hi Marv,
>
> The 8877 was always a difficult tube to manufacture, but through the
> mid to late 80's the tubes were failuer prone.
>
> They had gold sputtering problems and grid to cathode shorts, Eimac
> said this was related to air pollution in Salt Lake City
> contaminating materials and a heat dam problem.
>
> The current batches, made after 1992, have been excellent. I'd stay
> far away from the 80's or early 90's code dates just to be safe.
>
> 73, Tom W8JI
73, Tom W8JI
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