>"The KPA does have diodes, but I don't know why the KPA diodes seem to make it
>and others don't. Maybe not stressed as bad switching into an open load, which
>might be the real culprit that folks don't want to admit to."
The KPA500 has substantially less field operating time compared with the
Ditto on the Sony MDR-7506. Have been using them for quite a while. Not sure
why they were my choice but generally I do quite a bit of research before
buying.Regards,Jim/k2hn
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Topband Reflector Archives - http://www.contesting.com/_topband
I have experience with various Alphas including my current 8410. Their
relays *are* loud. Noise cancelling headsets can take that way down.
As to going to diodes to get rid of relay clang, that is another matter.
Though some say they never have had those diodes go bad in their Alpha,
others seem
now comes the laborious process of sifting through all the info to make a
choice
good info from lots of responses so tnx!
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Topband Reflector Archives - http://www.contesting.com/_topband
Chuck -
I’ve been very pleased with Heil ProSets for both CW and SSB.
If you can, borrow the recommended models to see how you like them.
What’s “best” is always going to be subjective just because there are so many
variables.
Communications frequency response vs full range.
Over the ear or
