Reflex PE 295 055 Qtc=0.707

This driver is also known as the Dayton HD II.

Driver parameters:
Qts=0.390
Fs=20.00 Hz
Vas=14.00 cu. ft
SPL=97.0 dB 1W 1m
max power=450 W RMS
Diameter=0.381 m
Xmax=0.011 m

Calculated parameters:
Vd=0.000898 m^3
n0=0.031623

Fc=36.26 Hz
F3=36.26 Hz
Vb=6.12 cu. ft
Par=0.591 acoustic W
Per=18.68 W

Thermal and Xmax limited SPL as a function of frequency:

Hz SPL thermal SPL xmax Power xmax
2.0 73.20 dB 59.38 dB 18.7 W
4.0 85.24 dB 71.42 dB 18.7 W
6.0 92.28 dB 78.46 dB 18.7 W
8.0 97.27 dB 83.46 dB 18.7 W
10.0 101.13 dB 87.34 dB 18.8 W
12.0 104.27 dB 90.51 dB 18.9 W
14.0 106.91 dB 93.18 dB 19.1 W
16.0 109.16 dB 95.50 dB 19.4 W
18.0 111.11 dB 97.55 dB 19.8 W
20.0 112.81 dB 99.38 dB 20.4 W
22.0 114.30 dB 101.04 dB 21.2 W
24.0 115.60 dB 102.55 dB 22.3 W
26.0 116.74 dB 103.94 dB 23.6 W
28.0 117.72 dB 105.22 dB 25.3 W
30.0 118.57 dB 106.42 dB 27.4 W
32.0 119.30 dB 107.54 dB 30.0 W
34.0 119.93 dB 108.60 dB 33.1 W
36.0 120.46 dB 109.59 dB 36.9 W
38.0 120.91 dB 110.53 dB 41.2 W
40.0 121.29 dB 111.42 dB 46.4 W
42.0 121.61 dB 112.27 dB 52.3 W
44.0 121.88 dB 113.08 dB 59.2 W
46.0 122.11 dB 113.85 dB 67.1 W
48.0 122.31 dB 114.59 dB 76.1 W
50.0 122.47 dB 115.30 dB 86.3 W
52.0 122.61 dB 115.98 dB 97.7 W
54.0 122.73 dB 116.63 dB 110.6 W
56.0 122.83 dB 117.27 dB 125.0 W
58.0 122.91 dB 117.88 dB 141.1 W
60.0 122.99 dB 118.46 dB 158.8 W
62.0 123.05 dB 119.03 dB 178.5 W
64.0 123.11 dB 119.59 dB 200.1 W
66.0 123.15 dB 120.12 dB 223.9 W
68.0 123.19 dB 120.64 dB 249.9 W
70.0 123.23 dB 121.14 dB 278.3 W
72.0 123.26 dB 121.63 dB 309.3 W
74.0 123.29 dB 122.11 dB 342.9 W
76.0 123.31 dB 122.57 dB 379.4 W
78.0 123.33 dB 123.02 dB 418.9 W
80.0 123.35 dB 123.46 dB 461.6 W
82.0 123.37 dB 123.89 dB 507.5 W
84.0 123.38 dB 124.31 dB 557.0 W
86.0 123.40 dB 124.72 dB 610.1 W
88.0 123.41 dB 125.12 dB 667.1 W
90.0 123.42 dB 125.51 dB 728.1 W
92.0 123.43 dB 125.89 dB 793.2 W
94.0 123.44 dB 126.26 dB 862.8 W
96.0 123.44 dB 126.63 dB 937.0 W
98.0 123.45 dB 126.99 dB 1015.9 W
100.0 123.46 dB 127.34 dB 1099.9 W




With this alignment the Reflex PE 295 055 diver is Xmax limited all the way up to 80 Hz and thermal limited past that.

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