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Table 10. Minimum Allowable Bridle Leg Lengths with Varying Number of M3D Loudspeakers
Qty. of M3Ds
5:1 Safety Factor 7:1 Safety Factor
Angle Between Bridle
and Grid ∝ (deg)
Minimum Allowable
Bridle Leg Lengths
Angle Between Bridle
and Grid ∝ (deg)
Minimum Allowable
Bridle Leg Lengths
1 43˚ 3.25 ft. (990 mm) 47° 3.50 ft (1070 mm)
2 43˚ 3.25 ft. (990 mm) 47˚ 3.50 ft. (1070 mm)
3 43˚ 3.25 ft. (990 mm) 47˚ 3.50 ft. (1070 mm)
4 43˚ 3.25 ft. (990 mm) 47˚ 3.50 ft. (1070 mm)
5 43˚ 3.25 ft. (990 mm) 51˚ 3.75 ft. (1140 mm)
6 47˚ 3.50 ft. (1070 mm) 57˚ 4.25 ft. (1300 mm)
7 51˚ 3.75 ft. (1140 mm) 60˚ 4.50 ft. (1370 mm)
8 55˚ 4.00 ft. (1220 mm) 62˚ 5.00 ft. (1520 mm)
9 57˚ 4.25 ft. (1300 mm) 66˚ 5.50 ft. (1680 mm)
10 60˚ 4.50 ft. (1370 mm) 70˚ 6.25 ft. (1900 mm)
11 62˚ 5.00 ft. (1520 mm) 71˚ 6.50 ft. (1980 mm)
12 64˚ 5.25 ft. (1600 mm) 72˚ 7.00 ft. (2130 mm)
13 66˚ 5.50 ft. (1680 mm) 73˚ 7.50 ft. (2290 mm)
14 67˚ 5.75 ft. (1750 mm) 74˚ 7.75 ft. (2360 mm)
15 68˚ 6.25 ft. (1910 mm) 75˚ 8.25 ft. (2510 mm)
16 71˚ 6.50 ft. (1980 mm) 76˚ 8.75 ft. (2670 mm)