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C18-800EL


The P.Audio C18-800EL is a high output low frequency transducer. The C18-800EL 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 C18-800EL employs a large 4 inch (99.3mm) diameter voice coil that provides an AES rated 1200 watts of continuous power handling and a full 4800 watts of peak rated power handling when sufficient amplifier headroom is available. The transducer is optimized for use in properly tuned vented enclosures and will provide maximal reliability when both a vented enclosure and active high pass filtering are employed. The C18-800EL utilizes P.Audio's 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 extended low frequency response. The double spider design further enhances system mechanical control and reliability. The cone has been treated with a conformal coating designed to provide additional mechanical damping and moisture resistance.

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   1300 W(AES)
  Nominal impedance   8Ω
  Sensitivity    98 dB
  Frequency range    30-200 Hz
  Chassic type   Aluminum
  Magnet type    Ferrite
  Magnet weight   125.7 oz
  Voice coil diameter   99.3 mm/4 in
  coil material   SV-R
  Former material   GSV
  Cone material   Paper
  Surround material   Cloth
  X-max   5.25 mm
  Gap depth   15 mm
  Packing dimension WxDxH(mm)   505 x 505 x 270
  Net weigh   14.2 kg
  Shipping weight   16 kg

SMALL SIGNAL PARAMETERS

  Re   5.7Ω
  Fs   43 Hz
  Mms   183.90 g
  Mmd   159.25 g
  Qms   12.28
  Qes    0.40
  Qts    0.39
  Vas   155.84 lt.
  SD   1255 cm2
  BI    26.46 Tm
  Cms   7.4 e-05 m/N
  Rms   4.07 Ns/m
  Le (at 1kHz)   1.27 mH

C18-800EL


The P.Audio C18-800EL is a high output low frequency transducer. The C18-800EL 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 C18-800EL employs a large 4 inch (99.3mm) diameter voice coil that provides an AES rated 1200 watts of continuous power handling and a full 4800 watts of peak rated power handling when sufficient amplifier headroom is available. The transducer is optimized for use in properly tuned vented enclosures and will provide maximal reliability when both a vented enclosure and active high pass filtering are employed. The C18-800EL utilizes P.Audio's 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 extended low frequency response. The double spider design further enhances system mechanical control and reliability. The cone has been treated with a conformal coating designed to provide additional mechanical damping and moisture resistance.

The transducer chassis is a die cast aluminum design that insures a very high degree of structural integrity.