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P-Audio P180/2242 New Design

Deskripsi

P-Audio P180/2242 New Design
The P Audio P180/2242 is a high output low frequency transducer designed with a vintage voicing. The P180/2242 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 P180/2242 employs a large 4 inch(101.6mm) 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 P180/2242 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 precision flat 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 transducer chassis is a die cast aluminum design that insures a very high degree of structural integrity.
Features:

4” Large Format Voice Coil
4000 Watts Peak Power Handling
Active Balanced Cooling
Integrated Demodulation Rings
Double Spider Design
Ferrite Magnetics
Precision Rectangular Ribbon Wire Geometry
Die Cast Aluminum Chassis

Specification:
General Specification

Nominal diameter	457 mm/18 in
Power rating	1000 W(AES)
Nominal impedance	8
Sensitivity	97 dB
Frequency range	30-500 Hz
Chassis type	Cast aluminum
Magnet type	Ferrite
Magnet weight	2.85 kg/100.6 oz
Voice coil diameter	101.6 mm/4.0 in
Coil material	CCA-R
Former material	Glass fiber
Cone material	Paper
Surround material	Cloth
Suspension	Double
X-max	6.75 mm/0.27 in
Gap depth	13.9 mm/30.6 in
Voice coil winding width	25.5 mm/1.0 in
Net Weight	15.9 kg/35.1 lb
Packing Dimension WxDxH (mm) Shipping Weight	505mm x 505mm x 270mm 15.9 kg/33.7 lb

Small Signal Parameter Data

Re	5.7
Fs	37 Hz
Mms	185.81 g/6.55 oz
Mmd.	159.23 g/5.62 oz
Qms	6.33
Qes	0.51
Qts	0.48
Vas	231.72 lt/8.18 ft
BI	22.0 Tm
Cms	9.5e-05 m/N
Rms	6.82 Ns/m
Le (at 1kHz)	0.64 mH

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