Don Rasmussen wrote:
Forward by DC0ZO
Dear all,
I want to order a Heil Proset. Which mircophone ist
th e best one for the k2? You can buy the Prosets
with HC4, HC5, ICOM or elecraft mic. Where is the
difference?
I use a two-lead electret element (Radio Shack) wired for Icom . My K2
mic input is configured for Icom pin-outs and has a 5.6K resistor to
provide power to the electret's built-in FET preamp. The mic provides
plenty of output to drive the AF and VOX circuits without any mods to
the rig.
The Heil HC4/5 elements are dynamic types that produce about 10dB less
output than most other dynamic mics and usually require the use of a
preamp to drive the K2. I know some K2 operators have had success with
them, but I have to shout to make them work with my K2.
Gus Hansen
KB0YH
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