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Re: [Amps] low output with QRO amp - SUCCESS-

Subject: Re: [Amps] low output with QRO amp - SUCCESS-
From: Mike A <>
Date: Fri, 6 Mar 2015 11:39:28 -0600
List-post: <">>
On Fri, Mar 06, 2015 at 12:33:54PM -0500, Mike McCarthy, W1NR wrote:
> Are you sure the tube does not use beryllium?

Odds are *very* strong that it uses BeO2 only if it is conduction-cooled.
BeO2 is nasty enough that it wouldn't be used where ordinary ceramic would
serve, but only where the much higher thermal conductivity of BeO2 was
specifically required.

Mike Andrews, W5EGO
Tired old sysadmin 
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