GCB-1242

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 GCB-1242 
Power                               400+400W.
Impedance                       4 Ohm. +4 Ohm.
Frequency response           38Hz. – 2 KHz.
Sensitivity 1W / 1 M.          89 db.
Voice coil Dia.                   51 mm.
Magnet Ferrite strontium    156 x 40 mm.
 
 

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--- BassBox Pro Version 6.20.0 Export Thiele-Small Format
--- Oct 08,2008,  Wed 6:49PM
--- GCB  1242


--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs          38.092E+00 Hz       Free air resonance
Qms         16.930E+00          Q mechanical
Vas         58.778E-03 m^3      Suspension compliance
Cms         77.716E-06 m/N      1/(suspension stiffness)
Mms        224.624E-03 kg       Moving mass
Rms          3.175E+00 kg/s     Mechanical resistance
Xmax **      0.000E+00 m        Maximum acoustic linear motion
Xmech**      0.000E+00 m        Mechanical displacement
Dia        304.800E-03 m        Piston diameter
Sd          72.966E-03 m^2      Piston area
Vd   **      0.000E+00 m^3      Displacement volume
--- electrical ---
Qes        723.473E-03          Q electrical
Re           1.625E+00 ohms     Voice coil DC resistance
Le           1.275E-03 Henries  Inductance @1 kHz
Z           10.141E+00 ohms     Impedance @1 kHz
BL          10.987E+00 Tm       Motor force - Newtons/Amp
Pe   **      0.000E+00 W        Max Electrical Power
--- electro-mechanical ---
Qts        693.824E-03          Q total
no         421.942E-03 %        1/2-space ref efficiency @ 1m/1W
1-W SPL     88.271E+00 dB       sensitivity at 1m on-axis
2.83V SPL   95.194E+00 dB       sensitivity at 1m on-axis
  --- motor constants ---
Krm          4.328E-03 ohms     constant resistive motor impedance
Erm        770.688E-03          exponent resistive motor impedance
Kxm         24.932E-03 Henries  constant reactive motor impedance
Exm        654.586E-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.


Last Updated ( Friday, 21 October 2016 03:47 )