Sounds like that Icom is badly designed. Ten Tec had this figured out
correctly 50 years ago!
Look at Radio Design Labs for a mic preamp. They serve broadcasting.
Ignore impedance matching -- any preamp will drive that radio.
73, Jim K9YC
On 8/1/2020 7:18 AM, Joe wrote:
1- A Heil HC-4 Mic. NOT a HC-5 or any other Mic but a HC-4 and ONLY
talking about a HC-4.
2- An Icom IC-7300. NOT a 7000, or a 9100 ONLY talking about an IC-7300.
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