Fane Colossus 18 XB Qtc=0.707


Driver parameters:
Qts=0.380
Fs=32.90 Hz
Vas=8.00 cu. ft
SPL=100.0 dB 1W 1m
max power=600 W RMS
Diameter=0.457 m
Xmax=0.014 m

Calculated parameters:
Vd=0.001614 m^3
n0=0.063096

Fc=61.21 Hz
F3=61.22 Hz
Vb=3.25 cu. ft
Par=15.522 acoustic W
Per=246.02 W

Thermal and Xmax limited SPL as a function of frequency:

Hz SPL thermal SPL xmax Power xmax
2.0 68.35 dB 64.48 dB 246.0 W
4.0 80.39 dB 76.52 dB 246.0 W
6.0 87.43 dB 83.56 dB 246.0 W
8.0 92.43 dB 88.56 dB 246.1 W
10.0 96.31 dB 92.44 dB 246.2 W
12.0 99.47 dB 95.60 dB 246.4 W
14.0 102.14 dB 98.28 dB 246.7 W
16.0 104.45 dB 100.60 dB 247.2 W
18.0 106.49 dB 102.65 dB 247.9 W
20.0 108.30 dB 104.48 dB 248.8 W
22.0 109.93 dB 106.13 dB 250.1 W
24.0 111.41 dB 107.64 dB 251.9 W
26.0 112.77 dB 109.04 dB 254.0 W
28.0 114.01 dB 110.32 dB 256.8 W
30.0 115.15 dB 111.52 dB 260.2 W
32.0 116.20 dB 112.64 dB 264.4 W
34.0 117.17 dB 113.70 dB 269.5 W
36.0 118.07 dB 114.69 dB 275.5 W
38.0 118.90 dB 115.63 dB 282.6 W
40.0 119.66 dB 116.52 dB 290.9 W
42.0 120.37 dB 117.37 dB 300.6 W
44.0 121.02 dB 118.17 dB 311.8 W
46.0 121.62 dB 118.95 dB 324.6 W
48.0 122.16 dB 119.69 dB 339.1 W
50.0 122.67 dB 120.40 dB 355.6 W
52.0 123.13 dB 121.08 dB 374.3 W
54.0 123.55 dB 121.73 dB 395.1 W
56.0 123.93 dB 122.36 dB 418.5 W
58.0 124.28 dB 122.97 dB 444.5 W
60.0 124.59 dB 123.56 dB 473.3 W
62.0 124.88 dB 124.13 dB 505.1 W
64.0 125.14 dB 124.68 dB 540.2 W
66.0 125.38 dB 125.22 dB 578.7 W
68.0 125.59 dB 125.74 dB 620.9 W
70.0 125.78 dB 126.24 dB 667.0 W
72.0 125.96 dB 126.73 dB 717.2 W
74.0 126.11 dB 127.21 dB 771.7 W
76.0 126.25 dB 127.67 dB 830.9 W
78.0 126.38 dB 128.12 dB 894.9 W
80.0 126.50 dB 128.56 dB 964.1 W
82.0 126.61 dB 128.99 dB 1038.6 W
84.0 126.70 dB 129.41 dB 1118.8 W
86.0 126.79 dB 129.82 dB 1204.9 W
88.0 126.87 dB 130.22 dB 1297.2 W
90.0 126.94 dB 130.61 dB 1396.1 W
92.0 127.00 dB 130.99 dB 1501.8 W
94.0 127.06 dB 131.36 dB 1614.6 W
96.0 127.12 dB 131.73 dB 1734.8 W
98.0 127.17 dB 132.09 dB 1862.8 W
100.0 127.21 dB 132.44 dB 1998.8 W




With this alignment the Fane Colossus 18 XB is Xmax limited up to 65 Hz and thermal limited past that.

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