Sucking it up from the top has worked well for many decades in VHF/UHF
cavity amps and other configurations.
Carl
KM1H
----- Original Message -----
From: "Jerry" <jsternmd@att.net>
To: "'Roger Parsons'" <ve3zi@yahoo.com>; "'Amps'" <amps@contesting.com>
Sent: Friday, May 03, 2013 10:10 AM
Subject: Re: [Amps] 572's
How do you get the proper airflow through the 3CX800A7 bottom up, also
with
the standard ceramic chimney in a horizontal position?
73 Jerry
K1JOS
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Roger Parsons
Sent: Friday, May 03, 2013 09:18
To: Amps
Subject: Re: [Amps] 572's
"I have been running a Dentron MLA 2500, modified this way, for about
three
years (Not the QSK). with absolutely no problems. My concern with this
mod
was mounting the tube horizontally. This has not been an issue, up to
this
point. Comments?
73 de Lon, K5JV"
I have also been using an MLA2500 modified with a horizontally mounted
3CX800A7 for over 10 years. It works fine - and the tube cost me $100 as
although it was new it had been dropped and has a dented plate! Don't know
about the other types of amplifiers mentioned.
73 Roger
VE3ZI
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