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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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