ผมมีดอก GPA-18100 ตัวนี้ใช้สูตรนี้ได้มั้ยครับ
ช่วยคำนวนแบบตู้ให้หน่อยครับขอแบบด้วยครับ ขอบคุณครับ
ค่าพารามิเตอร์ครับ
--- GPA 18100
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs 38.537E+00 Hz Free air resonance
Qms 25.450E+00 Q mechanical
Vas 150.014E-03 m^3 Suspension compliance
Cms 71.257E-06 m/N 1/(suspension stiffness)
Mms 239.360E-03 kg Moving mass
Rms 2.277E+00 kg/s Mechanical resistance
Xmax ** 0.000E+00 m Maximum acoustic linear motion
Xmech** 0.000E+00 m Mechanical displacement
Dia 393.700E-03 m Piston diameter
Sd 121.736E-03 m^2 Piston area
Vd ** 0.000E+00 m^3 Displacement volume
--- electrical ---
Qes 498.574E-03 Q electrical
Re 5.269E+00 ohms Voice coil DC resistance
Le 3.295E-03 Henries Inductance @1 kHz
Z 28.111E+00 ohms Impedance @1 kHz
BL 24.748E+00 Tm Motor force - Newtons/Amp
Pe ** 0.000E+00 W Max Electrical Power
--- electro-mechanical ---
Qts 488.994E-03 Q total
no 1.618E+00 % 1/2-space ref efficiency @ 1m/1W
1-W SPL 94.108E+00 dB sensitivity at 1m on-axis
2.83V SPL 95.922E+00 dB sensitivity at 1m on-axis
--- motor constants ---
Krm 10.490E-03 ohms constant resistive motor impedance
Erm 794.634E-03 exponent resistive motor impedance
Kxm 108.624E-03 Henries constant reactive motor impedance
Exm 591.961E-03 exponent reactive motor impedance