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Radial Neodymium Motor structure.Vented cast aluminium chassis for improved thermal control of voice coil.Forced air cooling vented voice coil gap.Aluminium demodulation ring.Dual spider configuration with silicone based damping control.4″ High temperature Copper voice coil.Triple-roll surround straight cone geometry.For sub bass applications in bass reflex / horn loaded enclosures.Rear aluminum heat sink. The PD.184NR1 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. The robust mechanical design and construction makes this unit an ideal choice for fixed or touring applications. The PD.184NR1 is intended as a dedicated sub woofer in bass reflex and Horn loaded designs. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motors temperature under control and reduced power compression to a minimum. The unit features a 4-inch, high temperature, copper voice coil capable of handling 1000W (AES) the PD.184NR1 exhibits an average sensitivity of 97.5dB across its working band.SPECIFICATIONSNominal Diameter18″ / 460 mmNominal Impedance4 / 8 / 16 Voice Coil Diameter4.0″ / 101.6 mmPower Rating1000 W (A.E.S.)Peak Power (6dB Crest Factor)4000 W (A.E.S.)Sensitivity (1w / 1m)99 dBFrequency Range30 Hz – 800 HzRecommended Enclosure Volume90 – 200 LitresVoice Coil Winding Depth0.87″ / 22.00 mmMagnet Gap Depth11.00 mm / 0.43″Flux Density1.18 TeslaMagnet MaterialNeodymiumMagnet WeightN/AVoice Coil MaterialCopperFormer MaterialGlass FibreDust Dome MaterialSolid PaperSuspension MaterialPoly Cotton / silicone dampingCone Surround MaterialPaper / M Roll Poly CottonTHIELE SMALL PARAMETERSFs38 HzRe5.4 Qms6.170Qes0.290Qts0.270Le @1k1.890 mHLe @10k0.880 mHVas102 LitresMms216.00 gSd1164 cm2Cms99.70 m/NBL29.50 T/mXmax8.5 mmVd0.800 LitresReference Efficiency2.50 %EBP131.03 HzMOUNTING AND SHIPPING INFORMATIONOverall Diameter473.60 mmWidth Across Flats458.73 mmFlange Height14.50 mmDepth200.00 mmMagnet Diameter138 mmChassis Shoulder Diameter415.00 mmOuter Bolt Circlex6 M8 on 456 mm PCDInner Bolt CircleN/ANett Weight9.60 Kg / 21.16 lbShipping Weight10.30 Kg / 22.71 lb
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Category: Musical Instruments:Pro Audio Equipment:Speaker Drivers and Horns
Location: London