Vintage Microphone Connector, Switchcraft Old Style Screw-On For Astatic JT-30

Switchcraft vintage screw-on microphone connector with 5/8-27 threads designed for Astatic JT30 bullet, Turner 33D/X series and lots of other single-ended high impedance vintage mics. Internally threaded screw-on type with hot center, nickel plated brass body., This is the connector that is installed at the end of a high impedance microphone cable. "Designed for use with single conductor microphone cable with .281" maximum outside diameter. Coupling ring is removable for fast change from female to male type. Spring assembled into body, cable braid and spring clamped by hollow set screw."

Only two solder connections required to install these on the end of a guitar cord. Solder the 'positive' center wire to the hot center connection, solder the braided shield of the cord to the spring, fasten down the set screw and you're good to go.  Photos show installation, cord is not included.

Please note that this cord does not fit new imported copy of Astatic JT30.