18 Sound
18 Sound 8NW650
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 2000 Hz. 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 65mmØ 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.
Key Features :
- 96 dB SPL 1W/ 1m average sensitivity
- 65mm(2.5 in) aluminum edgewound voice coil
- 600W 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.
General Specifications:- Nominal Diameter : 200mm(8 in)
- Rated Impedance : 8 Ohm
- AES Power : 300W
- Program Power : 600W
- Peak Power : 1200W
- Sensitivity : 96 dB
- Frequency Range : 55 ÷ 6300 Hz
- 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 : 26mm(1.02 in)
- Voice Coil Diameter : 65mm(2.5 in)
- Voice Coil Winding Material : Edgewound aluminum
- Suspension : Triple roll, Polycotton
- Cone : Curvilinear weather resistant treated paper.
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