AKG D112 Mic Wiring question

[dayna]

Hi
Picked up a couple of D112 mics without the xlr , just 2 wires, red & White and no earth. Have checked a schematic that shows the 2 wires mentioned but no earth. Wondering if someone can confirm for me which cable is the positive to solder to pin 2 is it red or the white, also any info why there is no earth
many thanks
dayna

[MOF]

Most likely the earth will be the metal case, is there an obvious tag to solder an earth wire to. Red will be pin 2 and white pin 3.

[Hugh Robjohns]

Picked up a couple of D112 mics without the xlr , just 2 wires, red & White and no earth. Have checked a schematic that shows the 2 wires mentioned but no earth.

A moving coil capsule has only two connections. Red is the hot side (xlr pin 2), and white the cold (pin 3).

As MOF says, the screen connection on xlr pin 1 is linked directly to the metal body, probably by a holding screw....

The service manual is here:

https://images.app.goo.gl/Qx7VLPCQY6wXYfgbA

[dayna]

Perfect ! thanks guys, problem solved
dayna