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Sigma 5 (1986)
Zero 88
![](/archive/images/21074.jpg)
Zero88 Sigma 5
4 x 5A switching pack
See also:
Documents
![Advert: LSI Delta & Sigma](/archive/docthumbs/4510.jpg)
Advert: LSI Delta & Sigma (December 1985)
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[243kb JPEG]
From Lighting & Sound International
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