Equipment Detail

Compact (CMS)  (1975 - 1978)

Self-contained memory control for up to 120 channels (originally 80 channels)
Originally known as CMS (Compact Memory System) this was a portable version of MMS. Also known as MMS Compact.
The first portable MMS was produced for a TV outside broadcast in 1974, and was named Compact. It was identified as a separate product in 1975. 
Channel control was by a dedicated numerical keyboard and digital fader wheel, with an above-zero mimic display. 
A total of 108 Compacts were built - the first in 1975, the last in 1978 when it was replaced by Duet. 
The photo on the right (and below) shows the original CMS lettering top left of the desk. This was removed in publicity material when it was decided to name the system Compact. 

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From Alan Luxford Collection

Exhibits in the Backstage Heritage Collection

Catalogue & Journal Entries for Compact (CMS) in the Backstage Heritage Collection

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