 2.77E-0006	   Ccush cm^5/dyne      Acoustic area=Pi*Sqr(3.5cm)
 3.01E+0003	      Rcush dyne-sec/cm^5
 1.27E-0004	  Cskin cm^5/dyne       ( leak path length = 1 cm )
 1.14E+0002	     Rskin dyne-sec/cm^5  0.1   0.2   0.5    1.0    2.0    5.0    10     20(leak diameter mm)
 8.88E-0003	    Lleak g/cm^4        2.0E1 5.0E0 8.0E-1 2.0E-1 5.0E-2 8.0E-3 2.0e-3 5.0e-4
 3.78E+0002	    Rleak dyne-sec/cm^5 7.3E5 4.6E4 1.2E3  7.3E1  4.6E0  1.2E-1 7.3e-2 1.2e0
 1.56E-0001	  Lcup g/cm^4     60 gram mass
 7.00E-0005	     Ccup cm^5/dyne  7e-5:100cm^3 volume Vcup/RhoC2
 4.52E+0000	     Rmat
 4.00E-0004	  Lmat
 6.93E-0007	  Cmat
 9.20E+0002	Rmat2
 7.75E+0000	Lmat2
 3.26E-0009	Cmat2
David Clark 19A Headphone
MIL-HDBK-759 12 Mar 1975 p.403
Freq(Khz) Mean_Gain(dB) StDev_Gain(dB) Note: -10dB Gain = 10dB Attenuation
0.125	-16.0	0.0
0.250	-27.0	0.0
0.500	-37.0	0.0
1.000	-39.0	0.0
2.000	-40.0	0.0
3.000	-40.0	0.0
4.000	-40.0	0.0
6.000	-36.0	0.0
8.000	-31.0	0.0
