April 27, 2020 at 5:47 pm
#32102

Forum Participant
Gary,
The par of Hallicrafters headphones in the attached picture are 3500 ohms measured at the 1/4 inch plug.
I do not know what difference the impedance would make.
They do click in the ear pieces with the ohm meter leads.
TTFN
John G. VO1 CAT