On 9/25/2021 2:04 PM, Paul Kraemer wrote:
I have decided after 60+ years in the hobby it may be time to try a
solid state linear.
Owners of the Elecraft KPA500 and KPA1500 amps, including me, are
generally quite happy. The KPA1500 has a very good tuner built in, and
the KAT500 (outboard for the KPA500) also works quite well. Both cover
160-6M. Both amps and tuners integrate nicely with non-Elecraft
products, with lots of presets for multiple antennas on each band,
instantly detecting frequency and selecting the suitable preset on a
single dit or tap on the mic. They also accept band data.
Other amps I've owned and used a lot are the Ten Tec 425s (three of them
in my SO2R contesting station for ten years) and two 87As (for about
three years). RF sections of both amps were designed by K4XU. The manual
output network of the 425s has a much greater matching range than the
auto tuning of the 87As, and both Elecraft tuners have a much wider
tuning range than either of those tube amps.
73, Jim K9YC
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