NHT1259 Qtc=0.707
Driver parameters:
Qts=0.460
Fs=19.00 Hz
Vas=6.71 cu. ft
SPL=90.0 dB 1W 1m
max power=150 W RMS
Diameter=0.305 m
Xmax=0.013 m
Calculated parameters:
Vd=0.000654 m^3
n0=0.006310
Fc=29.20 Hz
F3=29.21 Hz
Vb=4.93 cu. ft
Par=0.132 acoustic W
Per=20.89 W
Thermal and Xmax limited SPL as a function of frequency:
Hz | SPL thermal | SPL xmax | Power xmax |
---|
2.0 | 65.19 dB | 56.62 dB | 20.9 W |
4.0 | 77.23 dB | 68.67 dB | 20.9 W |
6.0 | 84.26 dB | 75.71 dB | 20.9 W |
8.0 | 89.24 dB | 80.71 dB | 21.0 W |
10.0 | 93.08 dB | 84.58 dB | 21.2 W |
12.0 | 96.19 dB | 87.75 dB | 21.5 W |
14.0 | 98.77 dB | 90.43 dB | 22.0 W |
16.0 | 100.93 dB | 92.75 dB | 22.8 W |
18.0 | 102.77 dB | 94.79 dB | 23.9 W |
20.0 | 104.32 dB | 96.62 dB | 25.5 W |
22.0 | 105.63 dB | 98.28 dB | 27.6 W |
24.0 | 106.72 dB | 99.79 dB | 30.4 W |
26.0 | 107.62 dB | 101.18 dB | 34.0 W |
28.0 | 108.37 dB | 102.47 dB | 38.6 W |
30.0 | 108.98 dB | 103.67 dB | 44.2 W |
32.0 | 109.47 dB | 104.79 dB | 51.0 W |
34.0 | 109.87 dB | 105.84 dB | 59.3 W |
36.0 | 110.20 dB | 106.84 dB | 69.2 W |
38.0 | 110.46 dB | 107.77 dB | 80.8 W |
40.0 | 110.67 dB | 108.67 dB | 94.5 W |
42.0 | 110.85 dB | 109.51 dB | 110.3 W |
44.0 | 110.99 dB | 110.32 dB | 128.6 W |
46.0 | 111.11 dB | 111.09 dB | 149.6 W |
48.0 | 111.20 dB | 111.83 dB | 173.4 W |
50.0 | 111.28 dB | 112.54 dB | 200.5 W |
52.0 | 111.35 dB | 113.22 dB | 231.0 W |
54.0 | 111.40 dB | 113.88 dB | 265.2 W |
56.0 | 111.45 dB | 114.51 dB | 303.5 W |
58.0 | 111.49 dB | 115.12 dB | 346.1 W |
60.0 | 111.52 dB | 115.71 dB | 393.3 W |
62.0 | 111.55 dB | 116.28 dB | 445.5 W |
64.0 | 111.58 dB | 116.83 dB | 503.0 W |
66.0 | 111.60 dB | 117.37 dB | 566.1 W |
68.0 | 111.62 dB | 117.88 dB | 635.3 W |
70.0 | 111.63 dB | 118.39 dB | 710.8 W |
72.0 | 111.64 dB | 118.88 dB | 793.1 W |
74.0 | 111.66 dB | 119.35 dB | 882.5 W |
76.0 | 111.67 dB | 119.82 dB | 979.5 W |
78.0 | 111.68 dB | 120.27 dB | 1084.4 W |
80.0 | 111.68 dB | 120.71 dB | 1197.8 W |
82.0 | 111.69 dB | 121.14 dB | 1319.9 W |
84.0 | 111.70 dB | 121.55 dB | 1451.4 W |
86.0 | 111.70 dB | 121.96 dB | 1592.6 W |
88.0 | 111.71 dB | 122.36 dB | 1743.9 W |
90.0 | 111.71 dB | 122.75 dB | 1906.0 W |
92.0 | 111.72 dB | 123.13 dB | 2079.2 W |
94.0 | 111.72 dB | 123.51 dB | 2264.1 W |
96.0 | 111.72 dB | 123.87 dB | 2461.2 W |
98.0 | 111.73 dB | 124.23 dB | 2671.0 W |
100.0 | 111.73 dB | 124.58 dB | 2894.1 W |
With this alignment the NHT1259 is Xmax limited up to 44 Hz and thermal
limited past that.
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