AB 711 & AB 712

Parts:
Microtelephone RE 4032 of black Bakelite with removable capsule transmitter RC 4000/40, 40ohms, and cord RS 6162, generator and bell according to the table below, case of polished oak.

Dimensions:
Height 398mm, width 238mm. The dimensions refer to the back plate of the telephone.

AB711 - 4 magnet generator (RH 4381).
AB712 - 5 magnet generator (RH 5602).

When the handle of the generator is turned the bell is cut out. Two dry cells RK 220 (1,5 Volts each) are required.

The AB 712 is superseded by the DAS 2001.

Taken from the L. M. Ericsson Telephones and Signalling Material Catalogue No. 188 (1934)

Circuit diagram - 137530 (AB 712 - dated 1933).

Last revised: April 03, 2024