Used Heil HC-4 and HC-5 elements are very easy to find in the $70
range. I had poor luck getting my HC-4 mic to sound good when I
purchased my first Elecraft K3s so I switched to the Heil IC electret
element and it sounded much better.
John KK9A
Tony wrote:
I was looking an original Heil HC-5 microphone element for my KX3 when I
came across this unit from an unknown manufacturer in Tawain:
See:
https://www.electronicsurplus.com/qw442-1740-audio-microphones-element-only-miniature
There's no frequency response curve or other information other than a
comment about the element favoring higher frequencies. I've emailed the
seller to find out more.
I have an original HC-5 that produces excellent communications audio
with my K3S and it would be nice to find one for the KX3. If anyone has
an original HC-5 laying around, please let me know.
Tony
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