Nominal diameter : 300mm. 12"
Nominal Impedance : 8 ohm.
Program Power : 250w.
Frequency range : 45Hz. – 6KHz.
Voice coil diameter : 49.5mm.
Magnet dimension : 156mm x 20mm
Product box size : 33.5x33.5x19cm.
Box Weight :4.35 Kg.
Basket : Steel
Cone and dust cap : Paper
Surround : Thread coat
Voice coil wire : Copper
Voice coil bobbin : Aluminium
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--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- May 20,2009, Wed 4:42PM
--- GPA 1250
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs 50.587E+00 Hz Free air resonance
Qms 5.563E+00 Q mechanical
Vas 39.478E-03 m^3 Suspension compliance
Cms 98.058E-06 m/N 1/(suspension stiffness)
Mms 100.943E-03 kg Moving mass
Rms 5.768E+00 kg/s Mechanical resistance
Xmax ** 0.000E+00 m Maximum acoustic linear motion
Xmech** 0.000E+00 m Mechanical displacement
Dia 260.350E-03 m Piston diameter
Sd 53.236E-03 m^2 Piston area
Vd ** 0.000E+00 m^3 Displacement volume
--- electrical ---
Qes 787.586E-03 Q electrical
Re 6.493E+00 ohms Voice coil DC resistance
Le 926.730E-06 Henries Inductance @1 kHz
Z 11.229E+00 ohms Impedance @1 kHz
BL 16.263E+00 Tm Motor force - Newtons/Amp
Pe ** 0.000E+00 W Max Electrical Power
--- electro-mechanical ---
Qts 689.906E-03 Q total
no 609.727E-03 % 1/2-space ref efficiency @ 1m/1W
1-W SPL 89.869E+00 dB sensitivity at 1m on-axis
2.83V SPL 90.776E+00 dB sensitivity at 1m on-axis
--- motor constants ---
Krm 320.297E-06 ohms constant resistive motor impedance
Erm 960.586E-03 exponent resistive motor impedance
Kxm 23.647E-03 Henries constant reactive motor impedance
Exm 621.491E-03 exponent reactive motor impedance
--- End BassBox Pro Export ---
