__________________________________________________________________________________________________ TECHNICAL DATA SHEET _______________________________________________________________________________________________________________________________________________________ QRD CATEGORY 1­d diffusor APPLICATIONS meeting rooms, auditoria, ball rooms, home cinemas, listening rooms, theaters… BANDWIDTH 500 – 2.500 Hz MOUNTING PLATE MDF FINISH ­ non­treated ­ varnish ­ colour paint (alll colours available) FIRE RATING standard B2 (according to DIN 4102); can be coated with fire retarding finish DIMENSIONS 600 x 600 x 100 mm 1200 x 600 x 100 mm 1200 x 600 x 220 mm WEIGHT 20 kg MOUNTING by means of wooden slats (see the suppliers mounting instructions) ___________________________________________________________________________________________________ PO BOX 49 HEVERLEE AMBASSADE B­3001 LEUVEN T. +32­16 40 25 26 F. +32­16 40 07 26 E. [email protected] W. WWW.SONOGAMMA.COM

TECHNICAL DATASHEET DIFFUSION-AND ABSORPTION Statistical absorptioin coefficients according to resp. ISO 17497 and HEVERLEE AMBASSADE