Livello L420 | Tuned Absorber / Diffuser Panel

Livello L420
TUNED ABSORBER / DIFFUSER PANEL

With their impressive blend of sound absorption and sound diffusion, the L420 Tuned Absorber/Diffuser Panels can effectively scatter sound throughout a space as well as offer excellent sound absorption across a wide range of frequencies. L420 panels are an excellent choice for schools, auditoriums, performing arts venues or any environment that demands proper room tuning.

Constructed of 1" to 4" thick fiberglass core with a perforated 1/8" thick hardboard, L420 panels are available in standard and custom sizes in a wide variety of fabrics and multiple mounting options.

Features
• Tough, Durable Panels
• Excellent Acoustical Performance
• Class A Fire Rated
• Standard or COM Fabrics
• Various Installation Options
• Custom Sizes and Shapes

Dimensions
• Standard Sizes: up to 4' x 10'
• Custom Sizes: up to 5' x 10'
• Thickness: 1-1/8", 2-1/8", 3-1/8" or 4-1/8"

Standard Textiles
• Guilford of Maine: FR701 & Anchorage

Substrate
1/8" thick perforated hardboard underlayment laminated to 6-7# PCF rigid fiberglass absorber core

Fire Rating
Class A fire rating per ASTM E-84

Acoustics

Acoustics

Thickness: 1 1/8"
125 = 0.09
250 = 0.56
500 = 0.99
1000 = 1.02
2000 = 0.76
4000 = 0.52
NRC = 0.85

Thickness: 2 1/8"
125 = 0.51
250 = 0.99
500 = 1.09
1000 = 1.05
2000 = 0.81
4000 = 0.57
NRC = 1.00