Old RAF type leather helmet - adapting to ICOM type handheld?
I have a couple of old RAF type leather helmets, complete with headphones and mask type microphones. These date from anywhere between the later 1940s to early 1950s, I guess. I think the headphones are likely to be the old carbon - & maybe the high impedance - variety, but I have no idea about the mike (inside the old style rubber oxy mask). Unfortunately, I have no suitable technical know-how.
Both helmets are in very good shape - not sure about the electrical bits, yet, but they are externally undamaged.
It used to be possible to buy adapters here in the UK to match these old style helmets to more modern radios, but these commercial adapters are no longer available. I assume these would involve a suitable separate battery supply to deal with any amplification of the weaker output from the modern radio, although this would not be a problem.
Any help in finding either an adapter to suit or perhaps a circuit diagram would be appreciated. I can use a soldering iron OK!
Thanks.
Ian
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