Look at some of the amplifiers from Tokyo High Power. They have several that will do a fine job. They are high quality and price now. Yes they can be imported on a personal basis.

Terry KQ5U

----- Original Message ----- From: "Don Wilhelm" <[EMAIL PROTECTED]>
To: "Ken Kopp" <[EMAIL PROTECTED]>
Cc: <elecraft@mailman.qth.net>
Sent: Saturday, November 15, 2008 3:25 PM
Subject: Re: [Elecraft] K1/K2 question


Ken,

Not possible. The KPA100 must communicate with the base K2 for band selection, power control, T/R switching, and other functions. The K1 does not have the necessary signals to communicate with the KPA100. The KPA100 was designed as an integral part of the K2 rather than 'just an amplifier'.

With a *lot* of modification, the KPA100 could be made to work standalone, but the amount of modification is so great that it would not be cost effective (and IMHO the result would be a kludge).

A higher power linear amplifier could be used with the K1. If the amp is truly linear and develops 1000 watts with 100 watts of drive, it will also develop 100 watts of drive with 10 watts input or 50 watts with 5 watts input.

73,
Don W3FPR

Ken Kopp wrote:
I have an off-reflector friend who's just built a K1. He asks if it can be mated with a KPA-100, perhaps in an EC-2?
Off hand, I'd say there are ... at least ... antenna relaying
issues involved.

He realizes that if this is possible he might not achieve the
full 100W output from the KPA-100.

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