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Re: [Amps] MFJ

Subject: Re: [Amps] MFJ
From: Douglas L via Amps <>
Reply-to: Douglas L <>
Date: Sat, 27 Apr 2024 16:52:41 -0400
List-post: <>
Since virtually all broadcast transmitters and medical equipment has gone 
solid state, we amateurs are about the only users of transmitting vacuum tubes. 
With declining sales, prices have skyrocketed. Eimac division of Varian must be 
nearly out of business. Of course by jacking up prices so much, they have 
hastened their own decline.

The Chinese are the only ones making glass tubes like the 3-500Z, 811 and the 
They’re also mailing most of the ceramic tubes like the 3CX800A7, even though 
they’re pricing it at around $900. I suppose we should be thankful for them. 🙂

With the demise of Ameritron, as others have pointed out, there will be no 
sources of linear amps under $3000.

> On Apr 27, 2024, at 6:59 AM, Rob Atkinson <> wrote:
> I think the glass tube amps are still finding buyers, along with the
> s.s. amps.  If Ameritron continues, the ceramic tube amps will likely
> be discontinued.  Those tubes are crazy expensive but the single 3-500
> and 811A products seem to be selling well.
> Rob
> K5UJ
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