17.6 cm

7.5 cm

6.0 cm

47.2 cm

13.2 cm

62.5 cm

9.4 cm

12.9 cm

31.2 cm

26.0 cm

34.0 cm

37.0 cm

10.5 cm

6.7 cm

53.6 cm

10.2 cm

A

Renforts

Renforts

Renforts

6.7 cm

B

Renfort

Renfort

84.7 cm

7.8 cm

28.4 cm

15.3 cm

23.5 cm

14.7 cm

6.7 cm

11.4 cm

60.5 cm

34.8 cm

+

=

28.0 cm

34.0 cm

34.0 cm

23.9 cm

Ø 28.0 cm

10.1 cm

A

B

A+ B

10.0 cm

10.0 cm

58.1 cm

59.3 cm

14.5 cm

MHB-30

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

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