TOA Electronics SR-A18B, SR-A12SWP, SR-RF12Wp SR-RF12 Rigging Frame assembly, Assembly diagram

10. STACKING

10.1. General Description

Line Array speakers can be stacked using the SR-RF12 Rigging Frame. Up to 5.5 speakers can be stacked, counting each Line Array speaker as 1 piece and each SR-A18B Subwoofer as 1.5 pieces. Shown below is a basic stacked system. Note that casters must be prepared separately.

SR-A12L

Joint Plate

SR-A18B

Rigging Frame

Caster (required by the user)

This stacking system is made up of four SR-A12L speakers, and one SR-A18B speaker. The directivity characteristic is 20 degrees vertically and 90 degrees horizontally. The overlapping angles are all set at 0 degree.

10.2. SR-RF12 Rigging Frame assembly

Select the positions of the mounting plates and assemble keeping the stacked system’s center of gravity in mind. Tighten 3 supplied bolts with plain washers and spring washers securely to fix each Mounting Plate to the rigging frame.

Assembly diagram	Mounting Plate, Rear B	Mounting Plate,
		Front B

Mounting Plate, Rear A

When attaching the Mounting Plates to the center positions

Mounting Plate attaching position

Rigging frame

Mounting Plate, Front A

When attaching the Mounting Plates forward positions

Mounting Plate attaching position

Attach the casters, of which specifications are as follows, as the Rigging Frame’s leg. Casters and caster mounting bolts are required by users.

Caster Specification
Wheel size:	100 mm or more	Bolt hole spacing: 71 mm x 71 mm
Top plate overall size: 95 mm x 95 mm		Attaching bolt size: M10
Loaded mass:	Total mass (mass of rigging frame + mass of speaker) x 50% or more per caster
With stopper

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