www.gippro.com

SPECIFICATIONS
Nominal diameter                                     : 380mm.15in
Nominal Impedance                                  : 8 ohm
Program Power                                         : 600w
Continuous Power (RMS)                            : 300w
Sensitivity (1w/1m)                                    : 98dB
Frequency range                                       : 48 – 3KHz
Voice coil diameter                                    : 63.7mm
Voice coil length                                        : 16mm
Magnet dimension                                    : 180mm x 20mm

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--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- May 20,2009,  Wed 5:24PM
--- GPA 1564
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs          33.826E+00 Hz       Free air resonance
Qms          3.609E+00          Q mechanical
Vas        183.684E-03 m^3      Suspension compliance
Cms        176.327E-06 m/N      1/(suspension stiffness)
Mms        125.552E-03 kg       Moving mass
Rms          7.394E+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        656.154E-03          Q electrical
Re           6.199E+00 ohms     Voice coil DC resistance
Le         905.239E-06 Henries  Inductance @1 kHz
Z           11.058E+00 ohms     Impedance @1 kHz
BL          15.878E+00 Tm       Motor force - Newtons/Amp
Pe   **      0.000E+00 W        Max Electrical Power
--- electro-mechanical ---
Qts        555.212E-03          Q total
no           1.018E+00 %        1/2-space ref efficiency @ 1m/1W
1-W SPL     92.096E+00 dB       sensitivity at 1m on-axis
2.83V SPL   93.203E+00 dB       sensitivity at 1m on-axis
  --- motor constants ---
Krm          1.012E-03 ohms     constant resistive motor impedance
Erm        860.294E-03          exponent resistive motor impedance
Kxm         21.720E-03 Henries  constant reactive motor impedance
Exm        620.848E-03          exponent reactive motor impedance
--- End BassBox Pro Export ---

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