[Elecraft] HF amp kits

[Ron D'Eau Claire]

If someone were to ask me what I considered a "modest" amplifier, I'd say it
was the KPA100. 

I look for a 10 dB difference to be worth the effort, time and cost in real
communications ability. After all a 10:1 power difference is less than two
S-units on most meters. To me it's hardly worth the time and effort to go
after less than that, so with 100 watts at my fingertips I'd hardly consider
going for much less than 1,000 watts at the "next step" up. 

Ron AC7AC

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Lee Buller
Sent: Thursday, April 05, 2007 1:50 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] HF amp kits


Not to offend the QRP purists in the group, but I think an modest amplifier
kit would be spectacular....if you could keep the kit down below a a grand.
I looked at the one from the UK and I felt that it was pretty easy to
build...especially for those of us who built amps before from scratch.  AH
yes, the good old days.....

But, there are some liabilities....and I am no sure that a company wants to
get bonded for those people who die because they did not understand the
ramifications of 1500 to 2500 volts.  I wonder how Heath handled that?

Anyway, using a grid driven tetrode or triode would be a task to tame, but
it could be done...but I would rather not.  Therefore, you would have to go
to the GG and that means drive.  You would have to have at least 50 watts to
get any kind of output.

I like the idea....I would build one in a minute....but there are
complications

Lee - K0WA