18 Sound 8NW650 8ohm 8” 300 watt Neodymium Speaker

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Product Info

18 Sound 8NW650 8ohm 8” 300 watt Neodymium Speaker


18 Sound 8NW650 8" 8ohm LF Neodymium PA loudspeaker

96 dB SPL 1W / 1m average sensitivity
65 mm (2.5 in) aluminum edgewound voice coil
600 W program power handling
High excursion design for low frequency clarity and punch
Weather protected cone and coated plates for outdoor usage
Ultra lightweight design
Suitable for line array applications and multiway systems

The 8NW650 is a 8 inch neodymium woofer. The transducer has been developed in response to a specific market requirement for a light weight design that combines excellent linearity with high power handling capabilities. The 8NW650 is primarily intended for use as a low frequency driver for line-arrays as well as high quality 2-way or multiway reflex enclosures. The low pass filter might be positioned as high as 2000Hz. The high grade neodymium magnet assembly assures high flux concentration and low power compression. The levels of force factor and power handling are, as a consequence, at the upper professional level with best power to weight ratio. The 65mm Ø edgewound aluminum wire voice coil is wound on a high strength fiberglas former. The voice coil is cooled through airways placed between the chassis back plate and the magnet faceplate and carefully designed ventilation ducts made into the metal back plate. The curvilinear paper cone is formed using a special high strength wood pulp, designed to achieve the best possible rigidity and stiffness. The ability to perform in humid environments is an extra key feature of the 8NW650. This is achieved trough the application of an exclusively developed membrane treatment which renders the cone humidity repellent while does not increasing the total moving speaker mass. In addition, a special epoxy treatment is applied to the top and back plates making the transducer far more resistant to the corrosive effects of salts and oxidization.

General Specifications
Nominal Diameter 200mm (8 in)
Rated Impedance 8 Ohm
AES Power 300 W
Program Power 600 W
Peak Power 1200 W
Sensitivity 96 dB
Frequency Range 55 - 6300 Hz
Power Compression @-10dB 0,8 dB Power Compression @-3dB 2,2 dB
Power Compression @Full Power 3,0 dB Max Recomm. Frequency 2500 Hz Recomm. Enclosure Volume 10 - 40 lt. (0.36 - 1.41 cuft)
Minimum Impedance 6,3 Ohm at 25°C Max Peak To Peak Excursion 26 mm (1.02 in)
Voice Coil Diameter 65 mm (2.5 in) Voice Coil winding material Edgewound aluminum
Suspension Triple roll, Polycotton
Cone Curvilinear weather resistant treated paper

Thiele Small Parameters
Fs 63 Hz
Re 6,1 Ohm
Sd 0,0227 sq.mt. (35,19 sq.in.)
Qms 3,7
Qes 0,27
Qts 0,25
Vas 17,8 lt. (0.63 cuft)
Mms 26 gr. (0.06 lb)
BL 15,2 Tm
Linear Mathematical Xmax ± 5.5 mm (±0,22 in)
Le (1kHz) 0,71 mH
Ref. Efficiency 1W@1m (half space) 94,0 dB

Mounting information
Overall diameter 210 mm (8,3 in)
N. of mounting holes and bolt 6
Mounting holes diameter 6 mm (0,23 in) Bolt circle diameter 195-198 mm (7,68-7,8 in)
Front mount baffle cutout ø 185 mm (7,28 in)
Rear mount baffle cutout ø 185,5 mm (7,3 in)
Total depth 111,3 mm (4.38 in)
Flange and gasket thickness 8,8 mm (0,35 in)
Net weight 2,2 kg (4,85 lb)
Shipping weight 2,7 kg (5,95 lb) Packaging Dimensions 235 x 235 x 150 mm (9,25 x 9,25 x 5,91 in)


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