Telex RTS IFB4030 Transducer lead with 6.35mm 3 pole jack

IFB 4030 120 ohm Transducer lead black 1.5m long.
Fitted with 1/4inch (6.35mm) 3 pole "stereo" jack.
The transducer is non-captive and connected to the lead with a non polarised (ie 2 pins the same size) 2 pin connection.
This lead has 2 x 100 resistors between tip and ring. The +ve feed is connected between the 2 resistors to mono up the jack.
This lead is intend for use with the Telex RTS IFB 4030 beltpack