Dear OMs,
At Helmut Singer Elektronik (http://www.helmut-singer.de ) I have bought an
Radio Accessories
Funkzubehör
MIL
Clansman HEADSET TYP II,
with useful noise cancelling. I just had to build an ps 12V/ 24 V with an
dcdc-converter and hade to change some plugs. It is rugged, but dirty, nearly
trash and I had to return the first parcel. But it is effective, as it is an
closed system, like ear protectors in noisy environment. No telephone bell,
doorbell will penetrate through.
Just try.
55,
Hans-Albrecht
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