PYRAMIDAL SHAPED SOUND DIFFUSERS

Acoustical Resources Pyramidal Shaped Sound Diffusers are designed for any music facilities requiring outstanding acoustical performance. Used in combination with AR's Interactive System Absorber Panels and Barrel Shaped Wall Diffusers a room's acoustical efficiency and sound quality can be increased and finely tuned.

Product Description: Pyramid Shaped Diffuser Panels are constructed of rigid E-glass, molded in a one-piece, special off-set, inverted pyramidal shape that combines high impact strength and hardness, yet are lighweight for easy installation. (Custom sizes and shapes available.)

Pyramidal Diffuser Panel Types:
Option 1:
Pyramidal Shaped Diffuser - Internal Absorber (P# IA)
Internal pyramidal portion of diffuser lined with 1 1/2" thick layer of glass fiber batts adhered to it.

Option 2:
Lined Pyramidal Diffuser (P# IL)
Internal pyramidal portion of the diffuser lined with fire retardant Klegecell.

Sizes:

PYRAMIDAL SHAPED DIFFUSERS (P)
	P44	47 3/4 x 47 3/4 x 12 1/2
	P44.6 3/4	47 3/4 x 47 3/4 x 6 3/4
	P24	23 3/4 x 47 3/4 x 12 1/2
	P22	23 3/4 x 23 3/4 x 8
	P2.2 1.2	26 1/2 x 34 1/8 x 8
	SP1.81.8	20 x 20 x 8 ( Symmetrical Pyramidal Shape)
	PP45/12.5	48 x 60 x 12 1/2 (Prismatic Pyramidal Shape)
	TP44	47 3/4 x 47 3/4 x 12 1/2 (Trapazoid Shaped Panel)

Mounting:
Lay-in into Standard, intermediate rated 15/16" wide ceiling grid system. Where a pyramidal diffuser with internal liner is specified, the grid shall be rated heavy duty.

Pyramidal Diffuser Panel Finish:
White (Std.) Gel-Coat With Lemon Peel Texture or Woven, 100% Polyester Fabric. (Available in 40+ Colors.)

Flammability:
All wall and ceiling diffuser components have a Class "A" (0-25) Flame Spread rating per ASTM-E84.

Acoustical:

Octave Band (HZ)
Finish	125	250	500	1000	2000	4000	N.R.C.
Gel-coat	.41	.19	.12	.10	.09	.09	.15
Tested in accordance with ASTM test procedures C-423. Type "E400" Mounting. Actual test data available upon request (P44).

GUIDE SPECIFICATIONS FOR PYRAMIDAL SHAPED SOUND DIFFUSERS