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Professional 8 ohm speaker 12ND930

Professional 8 ohm speaker 12ND930

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Professional 8 ohm speaker 12ND930

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Professional 8 ohm speaker 12ND930

The 12ND930 is a high power, high output, low frequency woofer that meets the most stringent requirements of high quality professional speakers. The high level of performance and sound quality have been achieved by exploiting the most advanced technologies available today. Thanks to its versatility, the 12ND930 can be used in compact two-way SLR enclosures with a 1.4 "compression driver, in multi-way systems and in high load sub woofers up to 50 lt (compact SLR, band pass and hornload configurations The neodymium magnet assembly ensures high flux concentration, low power compression and excellent heat exchange, as the external magnet configuration is considerably more efficient than traditional subpolar magnet topology. This results in high levels of force factor and power handling with a power to weight ratio. The direct contact between the large heat sink and the basket, together with the magnetic structure, represents a fundamental improvement in thermal connection and heat dissipation. The result is greater power handling capability and less power compression. The curvilinear cone profile, created with u n special high strength wood pulp, it has been designed to obtain the best possible linearity within its frequency range. The cone edge in linen material is highly resistant to aging and fatigue. The internally developed cone treatment is a moisture repellent and significantly dampens the bell resonance. The 12ND930 uses our ISV (Interleaved Sandwich Voice) coil where a high strength fiber optic fiber former carries the windings on both the outer and inner surfaces to achieve a mass balanced coil. The end result is an extremely linear power package with a reduced tendency for eccentric behavior when driven strongly. The already low distortion and sound quality are further enhanced by the Double Demodulating Rings (DDR), which flatten the phase and impedance figures with constant power transfer. A special coating applied to both the top and rear plates makes the 12ND930 much more resistant to the corrosive effects of salts and oxidation.


Diameter: 315mm (12.4 ")
Impedance: 8 ohm
Minimum impedance: 6.4 ohm
Sensitivity: 98.0dB
Frequency range: 46-4500 Hz
Coil diameter: 75 mm
Winding material: copper
Nominal power: 500W
Peak power: 800W
Magnet: neodymium
Bl: 21.2 Txm
EBP : 227 Hz
Le: 1.65 mH
Qts: 0.21
Qms: 5.64

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