Print Page

DIFFUSER PANEL S.T.O.P.™

Diffuser Panel Stop by Acoustical Surfaces

Decorative Fabric Wrapped Acoustical Diffuser Panels

For sound and reverberation reduction in the classroom, theater, and other large spaces, trust the Diffuser Panel S.T.O.P. Thes panels help make a room less echoey, and more friendly for speaking and acoustically optimized. Some qualities of the Diffuser Panel S.T.O.P. products are:

  • Improved Sound Quality
  • Engineered Performance
  • Architecturally Decorative
  • Custom Engineered & Manufactured

Find out how you can get Diffuser Panel S.T.O.P. products on your next project, and see pricing and product specs, by exploring Acoustical Surface’s website

Product Testing & Information


Product Specs

Material

Thermoformed co-polymer core with fabric of textured facing

Pattern

Barrel shaped, pyramidal shaped

Features

These sound deadening panels diffuse sound to enhance the sound quality and acoustical efficiency

Applications

Music rooms, practice rooms, auditoriums, performing arts centers

Thickness

Wall thickness

Sizes

Nominal – 2’ x 2’, 2’ x 4’, 4’ x 4'

Color

Textured white facing or Guilford of Maine FR701 fabric facing

Flammability

Product Components Class A Fire Rated per ASTM E84

Installation

Wall Panels – Z-Clips
Ceiling Panels – Lay-in 15/16” H.D. T-Grid

Reverberation Demonstration

Noise Reduction Coefficient (NRC) Chart
PANEL TYPE THICKNESS FINISH CORE ABSORPTION COEFFICIENTS
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
Barrel Diffusor 3/32″ Fabric Molded Fiberglass 0.86 0.47 0.18 0.10 0.10 0.15 0.20
Barrel w/Absorber 3/32″ Fabric Molded Fiberglass 0.26 0.62 0.47 0.25 0.15 0.21 0.35
Pyramidal 3/32″ Gelcoat Molded Fiberglass 0.41 0.19 0.12 0.10 0.09 0.09 0.15
Absorber 2-1/8″ Fabric Glass Fiber 0.37 0.88 1.23 1.26 1.14 1.14 1.15
Barrel Diffuser Acoustical Diffusers on Wall
Barrel diffuser
Pyramidal Diffuser
pyramidal diffuser