18s 15ND830 8 Ohm

18s 15ND830 8 Ohm
365,14 € * 559,30 € * (34,71% gespart)
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Lieferzeit 4-5 Werktage

  • SW10249
The 15ND830 is a high power, high output, low frequency woofer meeting the most stringent... mehr
Produktinformationen "18s 15ND830 8 Ohm"
The 15ND830 is a high power, high output, low frequency woofer meeting the most stringent requirements in high quality professional transducers. Thanks to its versatility, the 15ND830 can be used in 2-way compact reflex enclosures and reflex / band pass subwoofers. The neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange, since the external magnet configuration is considerably more efficient than traditional under-pole magnet topology. This results in high levels of force factor and power handling with an optimum power to weight ratio. The direct contact between the heat sink and basket, together with the magnetic structure, represents a fundamental improvement in thermal connection and heat dissipation. Hence, power handling capabilities are increased and power compression lowered. The deep profile curvilinear cone, created from a special high strength wood pulp, has been designed to achieve the best possible linearity within its frequency range. The cone surround made from a linen material is highly resistant to aging and fatigue. The in-house developed cone treatment is fully water repellent and also gives a significant degree of rigidity to the cone. The 75mm Interleaved Sandwich Voice coil (ISV) assembly is wound on a strong fiberglas former which improves force transmission and thermal power handling. A special coating applied to both the top and back plates makes the 15ND830 far more resistant to the corrosive effects of salts and oxidization.

 

General Specifications

Nominal Diameter 380mm (15 in)
Rated Impedance 8 Ohm
AES Power 450W
Program Power 700W
Peak Power 1500W
Sensitivity 98dB
Frequency Range 38 - 5000 Hz
Power Compression @-10dB 0,5 dB
Power Compression @-3dB 2,0 dB
Power Compression @Full Power 3,0 dB
Max Recomm. Frequency 2000 Hz
Recomm. Enclosure Volume 80 - 140 lt. (2,83 - 4,95 cuft)
Minimum Impedance 6,7 Ohm at 25°C
Max Peak To Peak Excursion 33 mm (1,3 in)
Voice Coil Diameter 75 mm (3 in)
Voice Coil winding material aluminum
Suspension M-roll, Polycotton
Cone Curvilinear, Paper

Thiele Small Parameters

Fs 39 Hz
Re 5,7 Ohm
Sd 0,085 sq.mt. (131,75 sq. in.)
Qms 3,9
Qes 0,35
Qts 0,32
Vas 213 lt. (7,5 cuft)
Mms 80 gr. (0,18 lb)
BL 18 Tm
Linear Mathematical Xmax ± 6,5 mm (± 0,26 in)
Le (1kHz) 1,54 mH
Ref. Efficiency 1W@1m (half space) 97,5 dB

Mounting information

Overall diameter 387 mm (15,24 in)
N. of mounting holes and bolt 8
Mounting holes diameter 7,15 mm (0,28 in)
Bolt circle diameter 370-371 mm (14,55-14,6 in)
Front mount baffle cutout ø 353 mm (13,9 in)
Rear mount baffle cutout ø 357 mm (14,06 in)
Total depth 177 mm (7,01 in)
Flange and gasket thickness 11,5 mm (0,45 in)
Net weight 4,1 kg (8,05 lb)
Shipping weight 5,6 kg (12,34 lb)
Packaging Dimensions 405 x 405 x 214 mm (15,94 x 15,94 x 8,43 in)
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