On Mon, 2007-01-22 at 00:00 -0500, John wrote:
> I am looking at a astatic d 104 silver eagle for my Orion II . Has anyone
> used this mic with this radio ? Is this a good mic for this radio ? thanks
> John kb2huk
The D-104 was made for AM with enhanced high frequencies back in the
days when IF transformer made a receiver pass band that gently rolled
off those highs. And the original crystal D-104 was made for very high
impedance loads half to 1 megohm. I doubt the Orion II has nearly that
high an input impedance. The dynamic D-104 may work with lower
impedance. And amplified D-104 would work at the lower impedance but
will have way too much audio for the radio.
--
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer
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