GPA 1564
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THIELE & SMALL PARAMETERS
Resonant frequency Fs : 48Hz
D.C. Voice coil resistance Re : 5.2 ohm
Coil Inductance Le : 0.84mH
Mechanical quality factor Qms : 5.70
Electrical quality factor Qes : 0.75
Total quality factor Qts : 0.67
Equivalent air volume to Cms Vas : 93L
Mechanical compliance Cms : 0.092mm/N
Mechanical resistance Rms : 6.07kg/s
Efficiency No : 1.37%
BL factor Bl : 15.5N/A
Effective surface area Sd : 843cm2
ตัวนี้จากเวบของgip
Fs 33.826E+00 Hz Free air resonance
Qms 3.609E+00 Q mechanical
Vas 183.684E-03 m^3 Suspension compliance
Cms 176.327E-06 m/N 1/(suspension stiffness)
Mms 125.552E-03 kg Moving mass
Rms 7.394E+00 kg/s Mechanical resistance
Xmax ** 0.000E+00 m Maximum acoustic linear motion
Xmech** 0.000E+00 m Mechanical displacement
Dia 330.200E-03 m Piston diameter
Sd 85.634E-03 m^2 Piston area
Vd ** 0.000E+00 m^3 Displacement volume
--- electrical ---
Qes 656.154E-03 Q electrical
Re 6.199E+00 ohms Voice coil DC resistance
Le 905.239E-06 Henries Inductance @1 kHz
Z 11.058E+00 ohms Impedance @1 kHz
BL 15.878E+00 Tm Motor force - Newtons/Amp
Pe ** 0.000E+00 W Max Electrical Power
--- electro-mechanical ---
Qts 555.212E-03 Q total
no 1.018E+00 % 1/2-space ref efficiency @ 1m/1W
1-W SPL 92.096E+00 dB sensitivity at 1m on-axis
2.83V SPL 93.203E+00 dB sensitivity at 1m on-axis
--- motor constants ---
Krm 1.012E-03 ohms constant resistive motor impedance
Erm 860.294E-03 exponent resistive motor impedance
Kxm 21.720E-03 Henries constant reactive motor impedance
Exm 620.848E-03 exponent reactive motor impedance
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