LS3/5a Acoustic Foam kit, 3 sheets ¾” thick 30cm x 20 cm, 1 sheet 1” thick 31 x 21 cms, selected to BBC specification for LS3/5a cabinet damping.
1” sheets go in top and bottom, ¾” elsewhere. For damping standing waves and cabinet resonances.
British Manufactured High Density Combustion Modified Acoustic Foam in Compliance with UL94 HF1 Classification. Nominal density range 23.5-25.5 kg/m3.