F28  (1984)
ADB

120-168 channels. Large modular board.
Introduced in 1984. 
Contains seven main control modules that can be linked together to suit clients' use requirements. 
Production & design came about as the result of a user-survey instigated by ADB at the R&D stage. 

Documents

LSI: Guide to Memory Desks (May 1986)
[1.91Mb PDF]
From Lighting & Sound International

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