I think the no-tune amps make a lot of sense for SO2R and other
multi-radio and multi-band contesters. Outside of that
application a no-tune amp is just "nice" but not really
essential. Lots of people will pay for "nice", "easy", "latest",
etc.
-----Original Message-----
From: tentec-bounces@contesting.com
[mailto:tentec-bounces@contesting.com] On Behalf Of Rob Atkinson,
K5UJ
Sent: Sunday, July 16, 2006 6:27 PM
To: tentec@contesting.com
Subject: [TenTec] Solid State Amps
I'm not sure how many hams want a no-tune amp--tuning a tube
plate to low Z
doesn't really bother me that much, in fact I prefer to do it
myself, not
trusting some logic circuit to tune and load for me. however I
know one of
the great things about the PW-1 is that it follows the icom
exciters making
them 1 kw transceivers which I must admit is pretty nice. Also,
it's
easier to remote the amp when it's no-tune. But I think a lot
of hams make
buying decisions based primarily on the purchase cost. Since
they aren't
transmitting around the clock every day of the year, operating
costs aren't
that much of a consideration. If I transmitted all the time, a
90%
efficient s.s. tx would be attractive to me. So, in other words,
I
understand the broadcast industry moving to s.s. but their
reasons mostly do
not apply to hams, at least for now. If a s.s. 1.5 kw ham amp
or even a 1
kw ham amp can hit the $3K mark, then things will change.
re the SGC, I did not know about the IMD problem. Ron, do you
know how the
PW-1 does in that department? it has a reputation for being a
pretty robust
s.s. amp--i heard the 1 kw pep spec is conservative.
73
rob / k5uj
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