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P180/2248


The P.Audio P180/2248 is a high output low frequency transducer designed with a vintage voicing. The P180/2248 is an upgraded design that features many of P.Audio's new technologies and performance upgrades. The 18 inch (457mm) diameter piston will produce extremely high sound pressure levels at very low frequencies and is ideal for high level deep bass and sub woofer response in both live sound and recorded music venues. The transducer uses high energy ferrite magnetics to achieve a very high acoustic output to weight ratio.

The P180/2248 employs a large 3.9 inch (99.3mm) diameter voice coil and has been upgraded to an AES rated 1000 watts of continuous power handling and a full 4000 watts of peak rated power handling when sufficient amplifier headroom is available. The P180/2248 utilizes P.Audio' Auto Balanced Cooling (ABC) technology to not only improve transducer power handling and reliability but to also increase power compression performance by carefully balancing and directing airflow to critical areas. The voice coil design is a bobbin wound geometry with P.Audio's rectangular wire technology to improve conversion efficiency and provide a large crosssectional area for superior cooling. The transducer employs magnetic flux demodulation devices in the structure to increase fidelity and sonic accuracy.

The system suspension has been designed specifically for high linear displacement and xtended low frequency response. The double spider design further enhances system mechanical control and reliability. The transducer chassis is a die cast aluminum design that insures a very high degree of structural integrity.

GENERAL SPECIFICATIONS

  Nominal diameter   457 mm/18 in
  Power rating   1200 W(AES)
  Nominal impedance    8Ω
  Sensitivity    98 dB
  Frequency range    30-500 Hz
  Chassic type    Cast aluminum
  Magnet type    Ferrite
  Magnet weight   3.56 kg/125.7 oz
  Voice coil diameter   99.3 mm/3.9 in
  coil material   CCA-R
  Former material   Glass fiber
  Cone material   Paper
  Surround material   Cloth
  Suspension   Double
  X-max   4.75 mm
  Gap depth   15.5 mm
  Packing dimension WxDxH(mm)   505 x 505 x 280
  Shipping weight   16.7 kg / 35.7 lb

FEATURES

  • 4" Very Large Format Voice Coil
  • Active Balanced Cooling
  • Ferrite Magnetics
  • Precision Rectangular Ribbon Wire
  • Double Spider Suspension
  • Integrated Demodulation Rings
  • Die Cast Aluminum Chassis

SMALL SIGNAL PARAMETERS

  Re   5.6Ω
  Fs   40 Hz
  Mms   201.89 g
  Mmd   177.24 g
  Qms    14.09
  Qes   0.48
  Qts   0.47
  Vas    165.27 lt
  SD   1225 cm2
  BI    24.22 Tm
  Cms   7.9 e-05 m/N
  Rms   3.62 Ns/m
  Le (at 1kHz)   0.86 mH

P180/2248


The P.Audio P180/2248 is a high output low frequency transducer designed with a vintage voicing. The P180/2248 is an upgraded design that features many of P.Audio's new technologies and performance upgrades. The 18 inch (457mm) diameter piston will produce extremely high sound pressure levels at very low frequencies and is ideal for high level deep bass and sub woofer response in both live sound and recorded music venues. The transducer uses high energy ferrite magnetics to achieve a very high acoustic output to weight ratio.

The P180/2248 employs a large 3.9 inch (99.3mm) diameter voice coil and has been upgraded to an AES rated 1000 watts of continuous power handling and a full 4000 watts of peak rated power handling when sufficient amplifier headroom is available. The P180/2248 utilizes P.Audio' Auto Balanced Cooling (ABC) technology to not only improve transducer power handling and reliability but to also increase power compression performance by carefully balancing and directing airflow to critical areas. The voice coil design is a bobbin wound geometry with P.Audio's rectangular wire technology to improve conversion efficiency and provide a large crosssectional area for superior cooling. The transducer employs magnetic flux demodulation devices in the structure to increase fidelity and sonic accuracy.

The system suspension has been designed specifically for high linear displacement and xtended low frequency response. The double spider design further enhances system mechanical control and reliability. The transducer chassis is a die cast aluminum design that insures a very high degree of structural integrity.