CONTROL UNIT No. 8A
Control Unit No. 8A was used with a Telephone No. 708 on the Loud Speaking Telephone No 1.

The unit comprised of a dial, microphone and on/off switches.

The early version had no indicator light under the dial.

Made by STC.

Diagrams - SA 4160.

Additional information

Model Mark Grey Introduced Remarks
Tele 708 Mk 1 y 1/59  
Tele 708 Mk 2 y 10/63 Printed wiring
Tele 708 Mk 2A y   Modified
Tele 708 Mk 1 y 1/59 With connector 1014C
Tele 708 Mk 1 y   With connector 1018A - used with amp No. 138B and control unit No. 8A

 

 

 

 

 

 

 
 
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Last revised: April 03, 2025

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