[Hallicrafters] The 8122, 6146, 6HF5, and 6KD6 Enigma

[Lee via Hallicrafters]

Jim, (or anyone)
I am going to put in the ALC mod in the HT-32B soon....
The article calls for 1N34A diodes....
 
I have some:
1N4001
1N4002
1N4004
1N4005
1N4007

1N914

1N459A
1N270

Will any of these work OK?

73,
Lee
 

 

 
 
-----Original Message-----
From: Jim Liles <hallicrafterssr2000 at k9axn.com>
To: hallicrafters <hallicrafters at mailman.qth.net>
Sent: Thu, Mar 12, 2015 5:57 pm
Subject: [Hallicrafters] The 8122, 6146, 6HF5, and 6KD6 Enigma


The following information will help to understand why vacuum tubes behave as
they do.  We focus on the 8122 used in Class AB1 service as well as just about
any tube used under Class parameters.  What you’ll find is tubes like the 6146,
6HF5, 6KD6, and others have the same frailties and strengths as the 8122.

If
you are restoring or servicing any vintage transmitter or transceiver you will
find the following link to be interesting and it will save you a good deal of
grief.  If nothing else, it will help to understand the idiosyncrasy's and some
times bizarre behavior of these tubes and how to cope with them.  


http://k9axn.com/_mgxroot/page_10868.html

If it is unclear please send a note
so we can correct the language.

Kindest regards Jim
K9AXN

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