www.gippro.com

 GCB-1050  
Power                               400+400W.
Impedance                       4 Ohm. +4 Ohm.
Frequency response           32Hz. – 2 KHz.
Sensitivity 1W / 1 M.          91 db.
Voice coil Dia.                   63 mm.
Magnet Ferrite strontium    180 x 40 mm.

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--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- Sep 22,2008,  Mon 3:08PM
--- GCB 1050  
--- Parameters marked with ** are not tested using the WT2
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--- mechanical ---
Fs          43.674E+00 Hz       Free air resonance
Qms          6.686E+00          Q mechanical
Vas         22.470E-03 m^3      Suspension compliance
Cms         61.607E-06 m/N      1/(suspension stiffness)
Mms        215.563E-03 kg       Moving mass
Rms          8.847E+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        533.106E-03          Q electrical
Re           1.690E+00 ohms     Voice coil DC resistance
Le           1.367E-03 Henries  Inductance @1 kHz
Z           11.182E+00 ohms     Impedance @1 kHz
BL          13.695E+00 Tm       Motor force - Newtons/Amp
Pe   **      0.000E+00 W        Max Electrical Power
--- electro-mechanical ---
Qts        493.740E-03          Q total
no         329.915E-03 %        1/2-space ref efficiency @ 1m/1W
1-W SPL     87.202E+00 dB       sensitivity at 1m on-axis
2.83V SPL   93.954E+00 dB       sensitivity at 1m on-axis
  --- motor constants ---
Krm          7.410E-03 ohms     constant resistive motor impedance
Erm        726.861E-03          exponent resistive motor impedance
Kxm         29.422E-03 Henries  constant reactive motor impedance
Exm        657.010E-03          exponent reactive motor impedance
--- End BassBox Pro Export---