If the power supply is designed to use 866A's, don't worry about using
3B28's; they will work just as well. They are exact replacements, and tend
to give less trouble than the MV tubes, even though they don't have the
pretty blue glow.
If you look closely in dim light, you can see a violet
My Mark IIA Manual says put in a pair of 866A's.
Van, K7VS
- Original Message -
From: Phil LaMarche [EMAIL PROTECTED]
To: 'Discussion of AM Radio in the Amateur Service'
amradio@mailman.qth.net
Sent: Friday, March 28, 2008 11:16 AM
Subject: [AMRadio] Loudenboomer MK2
Can anyone
-7795 pin 02
727-944-3226
FAX 727-937-8834
NASFT 30210
W9DVM
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Van K7VS
Sent: Friday, March 28, 2008 4:11 PM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] Loudenboomer MK2 hv
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