Transmission Loss 10-20
 

Freq
Hz
Source
dB
Receiver
dB
RT60/s Diff
dB
SRI
50 64.3 78.6 15.3 14.4 15.6
63 81.5 71.6 10.6 9.8 9.4
80 96.4 80.4 11.5 16.1 16.0
100 95.3 10.5 81.9 13.3 12.9
125 96.9 80.8 11.4 16.2 16.1
160 97.8 81.7 12.1 16.1 16.3
200 92.4 76.2 12.3 16.3 16.5
250 94.9 77.5 13.2 17.5 18.0
315 97.4 11.0 78.1 19.2 19.0
400 96.7 76.6 12.7 20.1 20.5
500 95.2 73.6 10.1 21.6 21.0
630 92.8 70.0 9.7 22.8 22.1

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Transmission Loss 10-20
 
Freq
Hz
Source
dB
Receiver
dB
RT60
s
Diff
dB
SRI
800 92.2 67.9 8.7 24.2 23.0
1000 92.8 67.3 8.0 25.5 23.9
1250 91.3 65.0 7.1 26.4 24.2
1600 91.0 62.9 6.4 28.2 25.6
2000 93.0 61.5 5.7 31.5 28.5
2500 92.1 59.7 4.6 32.4 28.3
3150 89.7 56.6 3.7 33.2 28.2
4000 86.4 52.0 3.0 34.4 28.5
5000 84.3 48.3 2.2 36.1 28.8
6300 82.6 43.8 1.7 38.8 30.4
8000 85.2 44.8 0.9 40.4 29.3
10000 83.4 42.3 1.7 41.0 32.7