| 摘要 |
Truss bars are pivotally joined together through locking slip sleeves and are locked at selected splay angles relative to one another by a locking splay bar. The truss bars support columns of audio equipment cabinets with lengths of cabling attached to pivotal plates locked into mounting brackets installed in the side walls of the cabinets. The columns of cabinets are tilted by cables connecting a pull back clip installed on the bottom most cabinet of each column to the rear of an extension bar removably mounted to each truss bar.
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