Those are two completely different animals, one is lightweight and has
LDMOS finals that need an antenna tuner or a perfect antena and the
other uses a ceramic tetrode that can tolerate 3:1 SWR. A tetrode
tunes differently than a triode but perhaps the auto tune takes care
of this. I am not sure if there is an OM power list but there is an
Elecraft list where you can follow any issues or complaints that
people may have. Is quietness a concern? Is quickly setting it up
without a lot of adjustments a concern?
FWIW, I have used an Acom 2000A several times and basically I just
plugged it in and it worked plus it's super quiet. The only issue I
have saw with this amp is that it is sensitive to arcs in the antenna
system.
John KK9A
K4XS wrote:
Looking for a backup amp for the new station. Probably going to run
SO2R so auto-tune is important. I'm running a K3S and the second
radio will also be a K3S. I really don't care if the amp "matches"
the K3S in looks. Like most of you guys I'm concerned about
performance. Both rigs are equal in price.
Here's the question: If you were buying a new amp and were buying it
to satisfy the above criteria, which would you choose and why?
K4XS
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