Places like LA Coliseum, Madison Square Garden, and Indianapolis Motor Speedway are pushing a century in age and had large installed PA systems as soon as the technology existed.
There used to be photos on the web of an install at i think the LA Coliseum showing a wall of either Altec or Western Electric amplifiers and associated equipment that would have been of late 40's or very early 50's vintage, as of yet i cannot find the site that hosted them or the pics themselves. There are other similar large early installs pictured on the web, but for some reason they're not as easily found as they once were.
I think it depends on the vintage. There are Motiograph branded "shearer" systems that i believe were actually built by WE. My wag would be that WE at first made amplifiers for them and gave them the Motiograph brand, then sold Motiograph license to build them in their own shops. Since these particular amps don't seem to bear any mention of license, maybe they are in fact unrelated to WE.What's the connection between Motiograph and Western Electric?
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