GCB-18512

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SPECIFICATIONS
Power                                          2000W.+2000W.
Impedance                                  4 Ohm.+ 4 Ohm.
Frequency response                   28Hz. – 1.3 KHz.
Sensitivity                                 1W / 1 M. 94 db.
Voice coil Dia.                          75.5 mm.
Magnet Ferrite strontium         220mm. x 75 mm.


 
 
 

--------------------------------------------------------
--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- May 04,2009,  Mon 6:40PM
--- GCB 18512 (2M)
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs          29.950E+00 Hz       Free air resonance
Qms          9.698E+00          Q mechanical
Vas         95.117E-03 m^3      Suspension compliance
Cms         45.181E-06 m/N      1/(suspension stiffness)
Mms        625.020E-03 kg       Moving mass
Rms         12.129E+00 kg/s     Mechanical resistance
Xmax **      0.000E+00 m        Maximum acoustic linear motion
Xmech**      0.000E+00 m        Mechanical displacement
Dia        393.700E-03 m        Piston diameter
Sd         121.736E-03 m^2      Piston area
Vd   **      0.000E+00 m^3      Displacement volume
--- electrical ---
Qes          1.416E+00          Q electrical
Re           2.964E+00 ohms     Voice coil DC resistance
Le           1.852E-03 Henries  Inductance @1 kHz
Z           16.093E+00 ohms     Impedance @1 kHz
BL          15.693E+00 Tm       Motor force - Newtons/Amp
Pe   **      0.000E+00 W        Max Electrical Power
--- electro-mechanical ---
Qts          1.235E+00          Q total
no         169.618E-03 %        1/2-space ref efficiency @ 1m/1W
1-W SPL     84.313E+00 dB       sensitivity at 1m on-axis
2.83V SPL   88.625E+00 dB       sensitivity at 1m on-axis
  --- motor constants ---
Krm         14.137E-03 ohms     constant resistive motor impedance
Erm        700.406E-03          exponent resistive motor impedance
Kxm         39.237E-03 Henries  constant reactive motor impedance
Exm        655.587E-03          exponent reactive motor impedance
--- End BassBox Pro Export ---


Model

A

B

C

D

E

F

G

GCM-622

166.5mm.

143mm.

155mm.

100mm.

27mm.

9mm.

71mm.

GCM625

166.5mm.

143mm.

155mm.

100mm.

27mm.

9mm.

71mm.

GCM-645

166.5mm.

143mm.

155mm.

120mm.

35mm.

9mm.

77mm.

GCM-850

205mm.

183mm.

194mm.

120mm.

35mm.

9mm.

93mm.

GCB-1040

260mm.

233mm.

247mm.

156mm.

66mm.

11mm

140mm.

GCB-1050

278mm.

238mm.

255mm.

180mm.

70mm.

18mm.

140mm.

GCB-1242

314mm.

277mm.

295mm.

156mm.

66mm.

11mm.

155mm.

GCB-1252

318mm.

280mm.

295mm.

225mm.

77mm.

18mm.

163mm.

GCB-1255 ND

320mm.

280mm.

295mm.

203mm.

0

18mm.

197mm.

GCB-1560

395mm.

351mm.

370mm.

225mm.

77mm.

18mm.

202mm.

GCB-1565

395mm.

351mm.

370mm.

225mm.

95mm.

18mm.

217mm.

GCB-15653

395mm.

351mm.

370mm.

225mm.

120mm.

18mm.

245mm.

GCB-18512

470mm.

427mm.

448mm.

225mm.

95mm.

19mm.

248mm.


Last Updated ( Friday, 21 October 2016 04:01 )