SPECIFICATIONS Nominal diameter : 380mm.15in Nominal Impedance : 8 ohm Program Power : 400w Continuous Power (RMS) : 300w Sensitivity (1w/1m) : 97.5dB Frequency range : 43 – 3KHz Voice coil diameter : 49.5mm Voice coil length : 14mm Magnet dimension : 156mm x 20mm
-------------------------------------------------------- --- BassBox Pro Version 3.03, Export Thiele-Small Format --- May 20,2009, Wed 6:05PM --- GPA 1550 --- Parameters marked with ** are not tested using the WT2 -------------------------------------------------------- --- mechanical --- Fs 33.559E+00 Hz Free air resonance Qms 5.115E+00 Q mechanical Vas 129.476E-03 m^3 Suspension compliance Cms 124.290E-06 m/N 1/(suspension stiffness) Mms 180.962E-03 kg Moving mass Rms 7.460E+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 1.313E+00 Q electrical Re 5.790E+00 ohms Voice coil DC resistance Le 1.016E-03 Henries Inductance @1 kHz Z 10.947E+00 ohms Impedance @1 kHz BL 12.970E+00 Tm Motor force - Newtons/Amp Pe ** 0.000E+00 W Max Electrical Power --- electro-mechanical --- Qts 1.045E+00 Q total no 350.107E-03 % 1/2-space ref efficiency @ 1m/1W 1-W SPL 87.460E+00 dB sensitivity at 1m on-axis 2.83V SPL 88.864E+00 dB sensitivity at 1m on-axis --- motor constants --- Krm 561.041E-06 ohms constant resistive motor impedance Erm 915.468E-03 exponent resistive motor impedance Kxm 10.727E-03 Henries constant reactive motor impedance Exm 692.798E-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 KSV.