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Re: [Amps] tubes??

To: "Tom W8JI" <>, <>,"jeremy-ca" <>, "c s" <>,<>
Subject: Re: [Amps] tubes??
From: Bill Fuqua <>
Date: Thu, 05 Jul 2007 12:42:20 -0400
List-post: <>
Amperex power tubes are made by Covimag in France.
As far as I know covimag the only one still making 3-1000Z,H, 4PR1000A and 
4-1000A tubes.
Triton was not very successful at making these tubes. All that I had seen 
from them were
gassy. The Amperex ones are great and have graphite anodes with very 
internal strong plate
supporting hardware.

Bill wa4lav

At 06:56 AM 7/4/2007 -0400, Tom W8JI wrote:
> > The original Taylor seemed to disappear shortly after
> > WW2 - or at least, they didn't seem to advertise. Yet
> > prior to WW2, they were considered quite a good supplier
> > of transmitting tubes. Are Cetron still around? Or have
> > they gone, like Hytron, GE, RCA, H&K, Sylvania, Penta, and
> > so on?
> > Peter G3RZP
>A US company called Richardsons Electronics is the driving
>force behind the decline of multiple tube sources.
>They own Amperex, Cetron, and many others. Eimac was even
>stupid enough to allow Richardsons to become the exclusive
>distributor of their tubes. Whoever heard of allowing a
>company that owns or markets all the competition to be an
>exclusive distributor?
>The old owner of Richardsons even publicly announced
>(sometime back around the 80's) his goal was to corner the
>tube market because people would pay a premium to keep
>equipment running. That was about the time when they bought
>Cetron and made it impossible to market a 572B amplifier
>with a huge price hike.
>If you want to see the single worse thing that ever happened
>to the tube industry, look carefully at the history of
>73 Tom
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