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[AMPS] What Tube for Home brew

To: <amps@contesting.com>
Subject: [AMPS] What Tube for Home brew
From: measures@vc.net (Rich Measures)
Date: Thu, 8 Oct 98 01:03:27 -0800
>......
>As for the 3CX1200A7 having a problem in some other brand of amplifier, OK,
>I'll take your word for it. Let's put it as more the manufacturer than the
>tube.
>
>As for HENRY using this tube in their HF amps, it is an excellent performer
>and VERY stable!
>
The 3CX1200A7 has approx. 6x as much feedback-C as an 8877.  

>My HENRY 3K Classic X MKII (using a 3CX1200A7) will put out into a 50 ohm
>load 2500 watts on 10M with drive that still doesn't push grid current to
>tube max ratings.

There is no maximum grid current rating for the 3CX1200A7. 

>Hmmmm, with these "extra losses at the high end of the HF spectrum" I would
>say it must be "properly tamed" eh?
>
no

>As if there is some shame in stating facts about HENRY amps. .....

Henry has produced 3-500Z amplifiers the use c. 6v on the filaments.  


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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