ABSORPTION COEFFICIENT TESTING (120SF SPECIMEN):

ISO 354 random incidence, 100-5KHz, 288m2 reverberation chamber

 

PROTOTYPE ABSORPTION TESTING (6" x 6" SPECIMEN):

ISO 10534-2 normal incidence, 63-4KHz, 6"x6"x5' impedance tube

 

SCALE MODEL DIFFUSION TESTING (1/5 to FULL SCALE SPECIMEN):

ISO 17497-2, 100-20KHz (varies by scale), 5speaker x 5deg resolution Goniometer

 

LOW FREQUENCY TESTING (2'x2' specimen):

ISO 10534-2 normal incidence, 20-200Hz, 2'x2'x22' 7 ton impedance tube