These are identical electrically, physically, and sound wise to the Heil HC-3 cartridges. They came from the same manufacturer. They sound very much like the ragchew HC-5 elements. These are easier to use since they have actual wiring tabs, and have small inset jewels to identify polarity for those who feel that is important.
Use the same techniques for installation in rigs that came with electret mics. as you would with any of the heil cartidges. No such precautions needed for rigs that use dynamic type mics., and these do sound much much clearer than most dynamics you will hear.
These are NOS! price is $35 shipped CONUS. Canada and Mexico; add $3. No off continent shipping please. If you buy 3, a fouth will be included free of charge. I have 10 or so of these, and once they are gone, they are gone.
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