GPA-1250

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SPECIFICATIONS
Nominal diameter                                     : 300mm. 12"
Nominal Impedance                                  : 8 ohm.
Program Power                                          : 300w.
Frequency range                                        : 45Hz. – 6KHz.
Voice coil diameter                                    : 49.5mm.
Magnet dimension                                     : 156mm x 20mm








 --------------------------------------------------------
--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- May 20,2009,  Wed 4:42PM
--- GPA 1250
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs          50.587E+00 Hz       Free air resonance
Qms          5.563E+00          Q mechanical
Vas         39.478E-03 m^3      Suspension compliance
Cms         98.058E-06 m/N      1/(suspension stiffness)
Mms        100.943E-03 kg       Moving mass
Rms          5.768E+00 kg/s     Mechanical resistance
Xmax **      0.000E+00 m        Maximum acoustic linear motion
Xmech**      0.000E+00 m        Mechanical displacement
Dia        260.350E-03 m        Piston diameter
Sd          53.236E-03 m^2      Piston area
Vd   **      0.000E+00 m^3      Displacement volume
--- electrical ---
Qes        787.586E-03          Q electrical
Re           6.493E+00 ohms     Voice coil DC resistance
Le         926.730E-06 Henries  Inductance @1 kHz
Z           11.229E+00 ohms     Impedance @1 kHz
BL          16.263E+00 Tm       Motor force - Newtons/Amp
Pe   **      0.000E+00 W        Max Electrical Power
--- electro-mechanical ---
Qts        689.906E-03          Q total
no         609.727E-03 %        1/2-space ref efficiency @ 1m/1W
1-W SPL     89.869E+00 dB       sensitivity at 1m on-axis
2.83V SPL   90.776E+00 dB       sensitivity at 1m on-axis
  --- motor constants ---
Krm        320.297E-06 ohms     constant resistive motor impedance
Erm        960.586E-03          exponent resistive motor impedance
Kxm         23.647E-03 Henries  constant reactive motor impedance
Exm        621.491E-03          exponent reactive motor impedance
--- End BassBox Pro Export ---




Model

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G

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166mm.

143mm.

155mm.

100mm.

28mm.

4mm.

70mm.

GMB-615

166mm.

143mm.

155mm.

100mm.

28mm.

4mm.

70mm.

GML-836

205mm.

183mm.

195mm.

120mm.

40mm.

5mm.

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GPA-1033

257mm.

233mm.

248mm.

120mm.

40mm.

5mm.

100mm.

GPA-1036

257mm.

233mm.

248mm.

120mm.

40mm.

5mm.

100mm.

GPA-1239

306mm.

266mm.

290mm.

120mm.

40mm.

5mm.

120mm.

GPA-1245

306mm.

283mm.

290mm.

140mm.

35mm.

5mm.

120mm.

GPA-1250

315mm.

280mm.

295mm.

156mm.

40mm.

5mm.

130mm.

GPA-1277ND

320mm.

283mm.

295mm.

-------------

65mm.

10mm.

130mm.

GPA-1550

392mm.

358mm.

375mm.

156mm.

40mm.

5mm.

155mm.

GPA-1564

392mm.

358mm.

375mm.

180mm.

40mm.

5mm.

155mm.

GPA-1575

392mm.

358mm.

375mm.

180mm.

45mm.

5mm.

160mm.

GPA-1580

397mm.

360mm.

380mm.

156mm.

45mm.

15mm.

148mm.

GPA-1899

460mm.

435mm.

445mm.

220mm.

65mm.

7mm.

210mm.

GPA-18100

476mm.

423mm.

448mm.

220mm.

80mm.

10mm.

215mm.

GPA-18125

476mm.

423mm.

448mm.

270mm.

80mm.

10mm.

221mm.

GPA-2199

540mm.

493mm.

517mm.

220mm.

80mm.

10mm.

250mm.

GPA-2125

540mm.

493mm.

517mm.

270mm.

65mm.

10mm.

240mm.

GPA-2155

545mm.

497mm.

520mm.

300mm.

110mm.

15mm.

280mm.



Last Updated ( Monday, 18 June 2018 04:12 )