[Amps] Perfect Tube for your Next Amp Project

[Carl]

The very HV used in some pulse circuits causes the glass to do that. Ive 
heard the chemical reason but dont remember it.

Carl
KM1H


----- Original Message ----- 
From: "Alek Petkovic" <vk6apk at bigpond.com>
To: <amps at contesting.com>
Sent: Sunday, April 11, 2010 7:10 PM
Subject: Re: [Amps] Perfect Tube for your Next Amp Project


That's an interesting one. Can't use that one for a lamp.

What causes a tube to go like that? Surely it is
not done in the production process.

73, Alek
VK6APK



At 04:49 AM 12/04/2010, JTB  ô¿ô wrote:
>See this EBay listing.
>
>Notice it says good cosmetic condition !!!!
>
>370361411724
>
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