McCauley 6174 Qtc=0.707


Driver parameters:
Qts=0.340
Fs=20.00 Hz
Vas=25.90 cu. ft
SPL=94.0 dB 1W 1m
max power=800 W RMS
Diameter=0.457 m
Xmax=0.015 m

Calculated parameters:
Vd=0.001724 m^3
n0=0.015849

Fc=41.59 Hz
F3=41.59 Hz
Vb=7.79 cu. ft
Par=3.770 acoustic W
Per=237.87 W

Thermal and Xmax limited SPL as a function of frequency:

Hz SPL thermal SPL xmax Power xmax
2.0 70.31 dB 65.05 dB 237.9 W
4.0 82.35 dB 77.09 dB 237.9 W
6.0 89.40 dB 84.13 dB 238.0 W
8.0 94.39 dB 89.13 dB 238.2 W
10.0 98.26 dB 93.00 dB 238.7 W
12.0 101.41 dB 96.17 dB 239.5 W
14.0 104.06 dB 98.85 dB 240.9 W
16.0 106.34 dB 101.17 dB 243.1 W
18.0 108.33 dB 103.22 dB 246.2 W
20.0 110.09 dB 105.05 dB 250.6 W
22.0 111.64 dB 106.70 dB 256.5 W
24.0 113.02 dB 108.21 dB 264.3 W
26.0 114.25 dB 109.60 dB 274.3 W
28.0 115.35 dB 110.89 dB 286.8 W
30.0 116.32 dB 112.09 dB 302.4 W
32.0 117.17 dB 113.21 dB 321.3 W
34.0 117.93 dB 114.26 dB 344.2 W
36.0 118.59 dB 115.26 dB 371.5 W
38.0 119.17 dB 116.20 dB 403.8 W
40.0 119.67 dB 117.09 dB 441.6 W
42.0 120.10 dB 117.93 dB 485.5 W
44.0 120.48 dB 118.74 dB 536.1 W
46.0 120.81 dB 119.51 dB 594.1 W
48.0 121.09 dB 120.25 dB 660.2 W
50.0 121.33 dB 120.96 dB 735.1 W
52.0 121.54 dB 121.64 dB 819.5 W
54.0 121.72 dB 122.30 dB 914.3 W
56.0 121.88 dB 122.93 dB 1020.2 W
58.0 122.01 dB 123.54 dB 1138.0 W
60.0 122.13 dB 124.13 dB 1268.7 W
62.0 122.23 dB 124.70 dB 1413.2 W
64.0 122.32 dB 125.25 dB 1572.3 W
66.0 122.39 dB 125.79 dB 1747.1 W
68.0 122.46 dB 126.31 dB 1938.5 W
70.0 122.52 dB 126.81 dB 2147.5 W
72.0 122.57 dB 127.30 dB 2375.3 W
74.0 122.62 dB 127.77 dB 2622.8 W
76.0 122.66 dB 128.24 dB 2891.2 W
78.0 122.69 dB 128.69 dB 3181.7 W
80.0 122.72 dB 129.13 dB 3495.5 W
82.0 122.75 dB 129.56 dB 3833.6 W
84.0 122.78 dB 129.98 dB 4197.4 W
86.0 122.80 dB 130.38 dB 4588.2 W
88.0 122.82 dB 130.78 dB 5007.2 W
90.0 122.84 dB 131.17 dB 5455.7 W
92.0 122.85 dB 131.56 dB 5935.2 W
94.0 122.87 dB 131.93 dB 6447.0 W
96.0 122.88 dB 132.30 dB 6992.5 W
98.0 122.89 dB 132.65 dB 7573.1 W
100.0 122.90 dB 133.00 dB 8190.5 W




With this alignment the McCauley 6174 driver is Xmax limited up to 53 Hz and thermal limited past that.

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