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Sparks · 30th Jul 2020, 6:52 pm

Only just seen this. The microphone is a noise-cancelling electret type, 2000 ohms. The mic capsule itself is tiny, about 5mm diameter.

This microphone was an option on the later Racal Astrolite headsets. NATS was a major user.

30th Jul 2020, 6:52 pm	#3
Sparks Heptode Join Date: Oct 2006 Location: Leeds, West Yorkshire, UK. Posts: 597	Re: Racal Acoustics Microphone ID req Only just seen this. The microphone is a noise-cancelling electret type, 2000 ohms. The mic capsule itself is tiny, about 5mm diameter. This microphone was an option on the later Racal Astrolite headsets. NATS was a major user.