six JL 18W6 Qtc=0.707


Driver parameters:
Qts=0.384
Fs=20.00 Hz
Vas=9.00 cu. ft
SPL=96.4 dB 1W 1m
max power=3000 W RMS
Diameter=0.457 m
Xmax=0.076 m

Calculated parameters:
Vd=0.008618 m^3
n0=0.027542

Fc=36.82 Hz
F3=36.83 Hz
Vb=3.77 cu. ft
Par=57.927 acoustic W
Per=2103.18 W

Thermal and Xmax limited SPL as a function of frequency:

Hz SPL thermal SPL xmax Power xmax
2.0 80.57 dB 79.03 dB 2103.2 W
4.0 92.61 dB 91.07 dB 2103.5 W
6.0 99.65 dB 98.11 dB 2104.7 W
8.0 104.64 dB 103.11 dB 2107.9 W
10.0 108.50 dB 106.98 dB 2114.7 W
12.0 111.64 dB 110.15 dB 2127.0 W
14.0 114.28 dB 112.83 dB 2147.3 W
16.0 116.54 dB 115.15 dB 2178.4 W
18.0 118.50 dB 117.19 dB 2223.6 W
20.0 120.20 dB 119.03 dB 2286.6 W
22.0 121.70 dB 120.68 dB 2371.6 W
24.0 123.01 dB 122.19 dB 2483.3 W
26.0 124.16 dB 123.58 dB 2626.6 W
28.0 125.16 dB 124.87 dB 2807.1 W
30.0 126.02 dB 126.07 dB 3030.6 W
32.0 126.77 dB 127.19 dB 3303.7 W
34.0 127.41 dB 128.24 dB 3633.0 W
36.0 127.96 dB 129.24 dB 4025.8 W
38.0 128.42 dB 130.18 dB 4489.8 W
40.0 128.82 dB 131.07 dB 5033.2 W
42.0 129.15 dB 131.91 dB 5664.4 W
44.0 129.44 dB 132.72 dB 6392.6 W
46.0 129.68 dB 133.49 dB 7227.1 W
48.0 129.88 dB 134.23 dB 8177.9 W
50.0 130.05 dB 134.94 dB 9255.2 W
52.0 130.20 dB 135.62 dB 10469.8 W
54.0 130.32 dB 136.28 dB 11832.9 W
56.0 130.43 dB 136.91 dB 13356.2 W
58.0 130.52 dB 137.52 dB 15051.8 W
60.0 130.59 dB 138.11 dB 16932.1 W
62.0 130.66 dB 138.68 dB 19010.1 W
64.0 130.72 dB 139.23 dB 21299.2 W
66.0 130.77 dB 139.77 dB 23813.3 W
68.0 130.81 dB 140.28 dB 26566.6 W
70.0 130.85 dB 140.79 dB 29573.9 W
72.0 130.88 dB 141.28 dB 32850.2 W
74.0 130.91 dB 141.75 dB 36411.3 W
76.0 130.94 dB 142.22 dB 40273.1 W
78.0 130.96 dB 142.67 dB 44452.0 W
80.0 130.98 dB 143.11 dB 48965.1 W
82.0 131.00 dB 143.54 dB 53829.7 W
84.0 131.01 dB 143.96 dB 59063.5 W
86.0 131.03 dB 144.36 dB 64684.8 W
88.0 131.04 dB 144.76 dB 70712.2 W
90.0 131.05 dB 145.15 dB 77164.9 W
92.0 131.06 dB 145.54 dB 84062.4 W
94.0 131.07 dB 145.91 dB 91424.8 W
96.0 131.08 dB 146.27 dB 99272.3 W
98.0 131.09 dB 146.63 dB 107625.9 W
100.0 131.09 dB 146.98 dB 116506.9 W




This result has the identical curve and crossover point as the single JL 18W6 had. This alignment with the six JL 18W6 drivers are Xmax limited up to 30 Hz and thermal limited past that. Acoustic coupling for bass extension should be taking place but this is not calculated here.

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