TELEPHONE No. 708


Introduced in 1959 this was a modified Telephone No. 706 with the dial replaced by a loudspeaker.  Both the Mark 1 and Mark 2 telephones can be used.

The telephone was used on the Loud Speaking Telephone No. 1 in conjunction with Amplifier No. 138A and Control Unit No. 8A.

It had provision for one additional switch.

The line cord has a Connector No. 1014C, 1018A or 1018D on the end for connection to the Amplifier No. 138A.

The Telephone No. 708 was superseded by Telephone No. 716.

Circuit diagrams - N808 and SA4160.
Circuit diagram - N4451 (Shows cord colours).

Drawings - 91576, 91568/1, 91568/2 and 91945.

Specification - S599 and S688.
 

Telephone No. 708 is on the left of the picture and a Control Unit No. 8A is to the right



Additional information

ModelMarkGreyIntroducedRemarks
Tele 708Mk 1y1/59 Wired chassis
 Mk 2y10/63Printed wiring board chassis
 Mk 2Ay 10/63Modified
Tele 708Mk 1y1/59With connector 1014C - used with Amp No. 138A and Control Unit No. 8A on LST No. 1
Tele 708Mk 1y 11/60With connector 1018A - used with Amp No. 138B and Control Unit No. 8A on LST No. 1

 

 
 
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Last revised: April 30, 2023

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