Abstract: Opposing strings of pivotally coupled rigid members attach to opposing sides of tapered speaker cabinets in an array of speaker cabinets. Attachment is made near the front cabinet edges and a rear adjustable coupling string of brackets and adjustable couplings connect to the rear of the tapered speaker cabinets. Actuation of the adjustable couplings enables continuous adjustment of the angular relationships of the speaker cabinets while under load. A three-point fly frame coupling is provided. A three-point dolly coupling is provided.

Abstract: Opposing strings of pivotally coupled rigid members attach to opposing sides of tapered speaker cabinets in an array of speaker cabinets. Attachment is made near the front cabinet edges and a rear adjustable coupling string of brackets and adjustable couplings connect to the rear of the tapered speaker cabinets. Actuation of the adjustable couplings enables continuous adjustment of the angular relationships of the speaker cabinets while under load. A three-point fly frame coupling is provided. A three-point dolly coupling is provided.

Abstract: A rigging system includes a lever arm permitting all speakers supported by the speaker whose rigging is adjusted to be angularly reoriented to focus the system, even out the coverage and fine tune the coverage. Multiple pivot attachment points for the moment arm are provided to enable an enhancement of the angular adjustment provided. A dozen or more angular positions can be provided for the lever arm to facilitate the trial-and-error method of optimizing the sound quality within the house.