Practical PA Guidebook

Practical PA Guidebook

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The operator should know the supply circuit layout or have access to it. Does the failure involve the main source, or a master circuit-breaker or fuse? Group I. control Amp All(200w) East grandstand Amp #2(200w) West grandstand Ampanbsp;...

Title:Practical PA Guidebook
Author:Norman H. Crowhurst
Publisher: - 1967


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