SPECIFICATIONS Nominal diameter : 300mm.12in Nominal Impedance : 8 ohm Program Power : 350w Continuous Power (RMS) : 250w Sensitivity (1w/1m) : 97.5dB Frequency range : 56 – 3.5KHz Voice coil diameter : Æ45.5mm Voice coil length : 13mm Magnet dimension : 145mm x 20mm. -------------------------------------------------------- --- BassBox Pro Version 3.03, Export Thiele-Small Format --- May 20,2009, Wed 3:56PM --- GPA 1245 --- Parameters marked with ** are not tested using the WT2 -------------------------------------------------------- --- mechanical --- Fs 53.243E+00 Hz Free air resonance Qms 6.061E+00 Q mechanical Vas 46.838E-03 m^3 Suspension compliance Cms 128.417E-06 m/N 1/(suspension stiffness) Mms 69.580E-03 kg Moving mass Rms 3.841E+00 kg/s Mechanical resistance Xmax ** 0.000E+00 m Maximum acoustic linear motion Xmech** 0.000E+00 m Mechanical displacement Dia 254.000E-03 m Piston diameter Sd 50.671E-03 m^2 Piston area Vd ** 0.000E+00 m^3 Displacement volume --- electrical --- Qes 1.052E+00 Q electrical Re 6.271E+00 ohms Voice coil DC resistance Le 973.734E-06 Henries Inductance @1 kHz Z 10.828E+00 ohms Impedance @1 kHz BL 11.781E+00 Tm Motor force - Newtons/Amp Pe ** 0.000E+00 W Max Electrical Power --- electro-mechanical --- Qts 896.202E-03 Q total no 631.611E-03 % 1/2-space ref efficiency @ 1m/1W 1-W SPL 90.022E+00 dB sensitivity at 1m on-axis 2.83V SPL 91.080E+00 dB sensitivity at 1m on-axis --- motor constants --- Krm 336.671E-06 ohms constant resistive motor impedance Erm 959.289E-03 exponent resistive motor impedance Kxm 17.823E-03 Henries constant reactive motor impedance Exm 642.590E-03 exponent reactive motor impedance --- End BassBox Pro Export ---
MATERIALS Basket Steel Cone and dust cap Paper Surround Thread coat Voice coil wire Copper Voice coil bobbin Aluminium
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