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Re: [Amps] Tube swap

To: amps@contesting.com
Subject: Re: [Amps] Tube swap
From: William Turner <dezrat1242@wildblue.net>
Date: Mon, 27 Jan 2014 19:07:45 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
In my (limited) experience, it seems that ceramic tubes are better at keeping their vacuum than glass tubes. Anyone else had that experience?

Years ago, Tektronix changed over from glass CRTs to ceramic partly for that reason.

73, Bill W6WRT
ex-Tekkie

------------ ORIGINAL MESSAGE ------------
On 1/27/2014 6:17 PM, Carl wrote:
The big problem, even with NIB, is the seals leak and the tube slowly goes to air.

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