MHB-30 Renforts Renforts Renforts 6.7 cm 10.2 cm 13.2 cm 15.3 cm 11.4 cm 6.7 cm 14.7 cm 31.2 cm 7.8 cm 6.7 cm 9.4 cm 26.0 cm 47.2 cm 23.5 cm 28.4 cm 84.7 cm A 6.0 cm 60.5 cm B Renfort Renfort 53.6 cm 34.0 cm 17.6 cm 12.9 cm 10.5 cm 7.5 cm 37.0 cm 62.5 cm 10.0 cm B A A+ B 10.0 cm 10.1 cm Ø 28.0 cm 28.0 cm 34.8 cm 14.5 cm + = 23.9 cm 58.1 cm 59.3 cm 34.0 cm 34.0 cm MHB-30 HP: Precision Devices PD12SB30 - RCF ou RCF LF12G301 / Faital 12FH500 1 caisson F3 = 50Hz 4 caissons F3 = 46Hz sensibilité : 1 caisson1w1m 2Pi (2.83volts) = 102.5db 4 caissons 1w/1m 2Pi (1.41volts) = 106dB High Pass Filter: 39Hz 24dB/oct Butterworth http://hornplans.free.fr/mhb30.html marc34.o@free.fr