Not all of Expert 1.3 are sold with internal antenna tuner. There are
amps without it. If I were in Jerry's situation I would purchase
internal antenna tuner from Expert for the sake of integration and speed.
73, Igor UA9CDC
20.01.2017 3:20, Jim Brown пишет:
On Thu,1/19/2017 1:59 PM, Jerry Muller via Elecraft wrote:
I am looking
for a Antenna Tuner. I have selected a Palstar HF Auto.
Why an automatic tuner? The amp has an auto-tuner, and the two are
unlikely to play well together. Instead, I'd look at a good manual
tuner like the Ten Tec 238. I've owned several of them and find them
to be good performers. So did ARRL Labs when they tested them many
years ago.
Ten Tec has been sold a couple of times and new 238s are probably no
longer available, but used 238s are usually available on the used
market. Best bet are the B and C models, which have a vernier readout
for the inductor, as opposed to a dial cord in the older models.
Expect to pay about $400 for the B or C, $300-350 for the older
units. The 229 is electrically and mechanically the same as the older
238s, but in a cabinet that matches older Ten Tec rigs.
To use this tuner in your station, set the SPE to bypass mode, tune it
for the bands where you operate and log the settings. Then put the SPE
tuner back in line in auto mode and let the auto tuner do its thing to
cover the band(s) as you QSY.
73, Jim K9YC
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