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LOUDSPEAKER ATTENUATION CHART


 R1 =  + lead series    R2 = parallel


Impedance
(ohms)
Attentuation
(in dB)
R1
R2
4
1
.4345 32.76
4
2
.8227 15.45
4
3
1.168 9.698
4
4
1.476
6.639
4
5
1.751
5.140
4
6
1.995 4.019
4
7
2.213
3.229
4
8
2.406 2.646
4
9
2.581
2.200
4
10
2.735 1.350
6
1
.6525 49.17
6
2
1.234 23.17
6
3
1.752 14.54
6
4
2.214 10.26
6
5
2.626 7.709
6
6
2.993 6.029
6
7
3.320 4.844
6
8
3.611 3.969
6
9
3.871 3.300
6
10
4.103 2.775
8
1
.8700 65.56
8
2
1.645 30.90
8
3
2.336 19.39
8
4
2.952 13.68
8
5
3.501 10.28
8
6
3.991 8.038
8
7
4.427 6.468
8
8
4.815 5.291
8
9
5.161 4.400
8
10
5.470 3.700

 
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