Fs = 68.48 Hz Re = 3.20 ohms[dc] Le = 298.90 uH L2 = 1054.18 uH R2 = 0.95 ohms Qt = 0.56 Qes = 0.62 Qms = 5.64 Mms = 8.59 grams Rms = 0.655094 kg/s Cms = 0.000629 m/N Vas = 2.23 liters Sd= 50.27 cm^2 Bl = 4.354235 Tm ETA = 0.11 % Lp(2.83V/1m) = 86.51 dB Fs = 70.01 Hz Re = 3.20 ohms[dc] Le = 280.72 uH L2 = 5197.22 uH R2 = 1.13 ohms Qt = 0.59 Qes = 0.65 Qms = 6.32 Mms = 9.16 grams Rms = 0.637495 kg/s Cms = 0.000564 m/N Vas = 2.00 liters Sd= 50.27 cm^2 Bl = 4.470550 Tm ETA = 0.10 % Lp(2.83V/1m) = 86.18 dB Closed Box Method: Box volume = 1.27 liters Diameter= 8.00 cm