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GST18-1200


The P.Audio GST18-1200 is an 18 inch (457mm) diameter high performance very low frequency sub woofer transducer. The design utilizes a large format 4 inch (101.6mm) nominal voice coil diameter with a very high power copper based coil configured in an inside/outside wind geometry. The large radiating area and deep bass performance insure that the GST18-1200 is capable of very high impact low frequency performance. The transducer also offers a double silicone spider design that improves long term mechanical reliability and mechanical linearity. The large format ferrite based magnet structure produces very high conversion efficiency. Inside/outside winding geometry assists in coil cooling and improves both transducer power handling and system reliability.

The GST18-1200 also features a very long air gap height that improves transducer linearity. The design features very large diameter silicone impregnated spiders to insure long term linearity.

The GST18-1200 also incorporates a proven double spider design that effectively controls off axis displacement of the coil assembly. The silicone impregnated spiders and very high system power handling will insure excellent long term performance. The cone is waterproof to improve reliability in high humidity environments.

The GST18-1200 offers very smooth and controlled amplitude response and has a recommended high frequency limit of 150Hz. The rated low frequency limit of 35Hz will insure excellent low frequency extension and very deep bass response.

The GST18-1200 is an excellent choice for high output sub woofer system designs where extended deep bass energy is specified. The design also features a very high strength to weight ratio cone design. It is ideally suited to vented enclosure designs and can be coupled with a wide range of top box enclosures.

The GST18-1200 features an aluminum die cast chassis that includes P.Audios Auto Balanced Cooling design that minimizes coil and magnet structure heating, and further improves system performance. The rated continuous power handling is 1200 watts (AES) and offers a peak power handling rating of 4800 watts when sufficient amplifier headroom is available.

GENERAL SPECIFICATIONS

  Nominal diameter   457 mm/18 in
  Power rating   1200 W(AES)
  Nominal impedance    8Ω
  Sensitivity    96 dB
  Frequency range    30-1000 Hz
  Chassic type    Cast aluminum
  Magnet type    Ferrite
  Magnet weight   4.3 kg/150.8 oz
  Voice coil diameter   101.6 mm/4 in
  coil material    Copper Wire
  Former material    Glass fiber
  Cone material   Paper
  Surround material   Cloth
  Suspension   Double
  X-max   6 mm/0.24 in
  Gap depth   15 mm/0.59 in
  Voice coil winding width   27 mm/1.06 in
  Packing dimension WxDxH(mm)   505 x 505 x 290
  Net weight   16 kg/35.3 lb
  Shipping weight   18.2 kg/40.1 lb

FEATURES

  • 4" Very Large Format Voice Coil
  • 4800 Watts Peak Power Handling
  • Active Balanced Cooling
  • Ferrite Magnetics
  • Copper wire Inside/Outside Coil Design
  • Double Spider Suspension
  • Integrated Demodulation Rings
  • Die Cast Aluminum Chassis

SMALL SIGNAL PARAMETERS

  Re   5.6Ω
  Fs   35 Hz
  Mms   238.91 g/8.43 oz
  Mmd   214.25 g/7.56 oz
  Qms    13.73
  Qes    0.57
  Qts    0.54
  Vas   180.2 lt/6.36 ft3
  SD   1225 cm2
  BI   22.80 Tm
  Cms   8.6e-05 m/N
  Rms   3.87 Ns/m
  Le (at 1kHz)    0.76 mH

GST18-1200


The P.Audio GST18-1200 is an 18 inch (457mm) diameter high performance very low frequency sub woofer transducer. The design utilizes a large format 4 inch (101.6mm) nominal voice coil diameter with a very high power copper based coil configured in an inside/outside wind geometry. The large radiating area and deep bass performance insure that the GST18-1200 is capable of very high impact low frequency performance. The transducer also offers a double silicone spider design that improves long term mechanical reliability and mechanical linearity. The large format ferrite based magnet structure produces very high conversion efficiency. Inside/outside winding geometry assists in coil cooling and improves both transducer power handling and system reliability.

The GST18-1200 also features a very long air gap height that improves transducer linearity. The design features very large diameter silicone impregnated spiders to insure long term linearity.

The GST18-1200 also incorporates a proven double spider design that effectively controls off axis displacement of the coil assembly. The silicone impregnated spiders and very high system power handling will insure excellent long term performance. The cone is waterproof to improve reliability in high humidity environments.

The GST18-1200 offers very smooth and controlled amplitude response and has a recommended high frequency limit of 150Hz. The rated low frequency limit of 35Hz will insure excellent low frequency extension and very deep bass response.

The GST18-1200 is an excellent choice for high output sub woofer system designs where extended deep bass energy is specified. The design also features a very high strength to weight ratio cone design. It is ideally suited to vented enclosure designs and can be coupled with a wide range of top box enclosures.

The GST18-1200 features an aluminum die cast chassis that includes P.Audios Auto Balanced Cooling design that minimizes coil and magnet structure heating, and further improves system performance. The rated continuous power handling is 1200 watts (AES) and offers a peak power handling rating of 4800 watts when sufficient amplifier headroom is available.