[Amps] 200-ohm tank and "un-un" in HF amp design?

[Louis Parascondola]

That I don't know, I'll try to see what the manual claims.


Will that unit run at full legal limit with a brick on the key? The 2-holer
version will not, and the weak link is the toroid. 

Guess how I know?   Twice.   :-)






-----Original Message-----
From: Bill Turner <dezrat1242 at yahoo.com>
To: Amps <amps at contesting.com>
Sent: Sun, Oct 20, 2013 6:59 pm
Subject: Re: [Amps] 200-ohm tank and "un-un" in HF amp design?


ORIGINAL MESSAGE:          (may be snipped)

On Sun, 20 Oct 2013 18:39:37 -0400 (EDT), Louis wrote:

>THE COMMAND TECH HF-2500E THAT RUNS 3 3CX800 TUBES USES THIS UN-UN SYSTEM AND 
AT 3KW OUTPUT THERE SEEMS TO BE NO ISSUES WHATSOEVER.   Seems to be a tried and 
true design.  It's hard to argue with success like that.
>

REPLY:

Will that unit run at full legal limit with a brick on the key? The 2-holer
version will not, and the weak link is the toroid. 

Guess how I know?   Twice.   :-)

73, Bill W6WRT
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