JX125 OEM Parameters. (Measured with coils in parallel)
Qts = 0.669 Total Q
Qes = 0.824 Electrical Q
Qms = 3.547 Mechanical Q
Fs = 48.133 Hertz, Free Air Resonance
Res = 6.509 Ohms, DC resistance
Ls = 465.5u H, series inductance
Lp = 677.8u H, lossy series inductance
Rp = 11.52 Ohms, loss across Lp
Dia = 130m meters, effective
Vas = 15.85 litres, air volume equivalent
mms = 17.06 grams, effective mass
cms = 640.8u m/N, compliance
bl = 6.384 T*m, motor strength
n0 = 206.3m %, max efficiency
SplSens 85.14 dBSPL max @1W absorbed