GIP GPA-1899 (1200W)
SPECIFICATIONS
| Nominal diameter |
: 460mm.18in |
| Nominal Impedance |
: 8 ohm |
| Program Power |
: 1200w |
| Continuous Power (RMS) |
: 600w |
| Sensitivity (1w/1m) |
: 95dB |
| Frequency range |
: 31Hz. – 1.8KHz |
| Voice coil diameter |
: ø99.5mm |
| Voice coil length |
: 22mm |
| Magnet dimension |
: ø220mm x 40mm |
MATERIALS
| Basket |
Steel |
| Cone and dust cap |
Paper |
| Surround |
Thread coat |
| Voice coil wire |
Copper clad aluminium |
| Voice coil bobbin |
KSV. |
--------------------------------------------------------
--- BassBox Pro Version 3.03, Export Thiele-Small Format
--- May 27,2009, Wed 5:05PM
--- GPA 1899
--- Parameters marked with ** are not tested using the WT2
--------------------------------------------------------
--- mechanical ---
Fs 33.399E+00 Hz Free air resonance
Qms 14.530E+00 Q mechanical
Vas 173.078E-03 m^3 Suspension compliance
Cms 82.212E-06 m/N 1/(suspension stiffness)
Mms 276.214E-03 kg Moving mass
Rms 3.989E+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 676.840E-03 Q electrical
Re 5.614E+00 ohms Voice coil DC resistance
Le 2.499E-03 Henries Inductance @1 kHz
Z 20.073E+00 ohms Impedance @1 kHz
BL 21.927E+00 Tm Motor force - Newtons/Amp
Pe ** 0.000E+00 W Max Electrical Power
--- electro-mechanical ---
Qts 646.715E-03 Q total
no 895.148E-03 % 1/2-space ref efficiency @ 1m/1W
1-W SPL 91.537E+00 dB sensitivity at 1m on-axis
2.83V SPL 93.075E+00 dB sensitivity at 1m on-axis
--- motor constants ---
Krm 1.528E-03 ohms constant resistive motor impedance
Erm 936.038E-03 exponent resistive motor impedance
Kxm 28.209E-03 Henries constant reactive motor impedance
Exm 713.572E-03 exponent reactive motor impedance
--- End BassBox Pro Export ---
