The LM-1 DIY Speaker is Available

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Bruel and Kjaer listening curve

I digitized the curve you mentioned on your blog.

# Bruel and Kjaer listening curve
# Freq,Magnitude
20.0,82.7
25.1,82.8
31.5,83.0
39.8,83.0
49.5,83.1
62.6,83.2
78.5,83.1
99.4,83.0
123.5,82.9
156.3,82.8
198.7,82.6
253.6,82.4
319.5,82.3
400.6,82.0
504.6,81.8
635.6,81.5
797.0,81.2
1003.9,80.9
1253.0,80.6
1571.1,80.3
1970.1,80.1
2504.0,79.8
3111.5,79.5
3972.6,79.2
4981.2,78.9
6274.0,78.4
7831.4,78.2
9908.8,77.8
12480.5,77.4
15791.4,77.1
19711.1,76.8
 
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