1 in 2.5 cm 324 sq ft 30.1 m² 0.31 yd³ 2 in 5.1 cm 162 sq ft 15.1 m² 0.62 yd³ 3 in 7.6 cm 108 sq ft 10.0 m² 0.93 yd³ 4 in 10.2 cm 81 sq ft 7.5 m² 1.23 yd³ 6 in 15.2 cm 54 sq ft 5.0 m² 1.85 yd³ Vocal ...
Calculation Tip: The membrane (panel) resonant frequency is calculated using the formula Fo = 600 / √(M x D) where M is surface mass in lb/ft² and D is air gap depth in inches. Increase mass or air ...