GPA-1277 ND

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SPECIFICATIONS
Nominal diameter                                     : 300mm. 12"
Nominal Impedance                                  : 8 ohm.
Program Power                                         : 700w.
Frequency range                                       : 47Hz. – 4KHz.
Voice coil diameter                                    : 77mm.
Magnet dimension                                     : NEO 74mm.x25mm. x 9mm.

 
 

 --------------------------------------------------------
--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- Aug 27,2008,  Wed 3:47PM
--- GIP.  GPA-1277 ND
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs          47.534E+00 Hz       Free air resonance
Qms         11.124E+00          Q mechanical
Vas        185.303E-03 m^3      Suspension compliance
Cms        245.007E-06 m/N      1/(suspension stiffness)
Mms         45.757E-03 kg       Moving mass
Rms          1.228E+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        297.363E-03          Q electrical
Re           6.235E+00 ohms     Voice coil DC resistance
Le         900.279E-06 Henries  Inductance @1 kHz
Z           11.424E+00 ohms     Impedance @1 kHz
BL          16.928E+00 Tm       Motor force - Newtons/Amp
Pe   **      0.000E+00 W        Max Electrical Power
--- electro-mechanical ---
Qts        289.621E-03          Q total
no           6.289E+00 %        1/2-space ref efficiency @ 1m/1W
1-W SPL    100.004E+00 dB       sensitivity at 1m on-axis
2.83V SPL  101.086E+00 dB       sensitivity at 1m on-axis
  --- motor constants ---
Krm          6.103E-03 ohms     constant resistive motor impedance
Erm        725.076E-03          exponent resistive motor impedance
Kxm         15.579E-03 Henries  constant reactive motor impedance
Exm        690.055E-03          exponent reactive motor impedance
--- End BassBox Pro Export ---



Model

A

B

C

D

E

F

G

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155mm.

100mm.

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315mm.

280mm.

295mm.

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GPA-1277ND

320mm.

283mm.

295mm.

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

65mm.

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460mm.

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476mm.

423mm.

448mm.

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80mm.

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476mm.

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GPA-2199

540mm.

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GPA-2125

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497mm.

520mm.

300mm.

110mm.

15mm.

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Last Updated ( Monday, 18 June 2018 04:16 )