Looks like the connector is quite big.
Would a standard XLR cable connector push in with its casing removed? At least that way you could workout the pinout and test it.
That's how I currently use my reslo ribbon, although it has a female base, but still.
Cool looking old mic, box and all. I don't know enough to be very helpful but here goes. As i recall that is a mic for radio broadcast most likely a dispatchers mic that attaches to a desk stand that would have a switch that connects to a radio set. That mic is from the days before XLR or 1/4" TS/TRS became the norms and every manufacturer used different connections often proprietary. You may be able to find an old school radio or HAM radio shop that can rig up a connector.
The mic was made by Henry Radio. They are still in business today. You could contact them to see if they could give you more information and wiring schematics.
Hi, Did you get the pins figured out? If not then let me know. I will sketch-scan-post the layout. I used to deal with old mics all the time in a studio where I worked from 2000 to 2006. -R
Hi, Did you get the pins figured out? If not then let me know. I will sketch-scan-post the layout. I used to deal with old mics all the time in a studio where I worked from 2000 to 2006. -R