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
MATERIALS
Basket Steel
Cone and dust cap Paper
Surround Thread coat
Voice coil wire Copper
Voice coil bobbin KSV.
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--- 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 ---
