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MB8N251

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DESCRIPTION DU PRODUIT GARANTIE
The MB8N251 is a 8” neodymium mid-bass driver with an excellent linearity, good efficiency and high power handling capabilities. The 2,5” aluminium voice coil combined with a high strength fibreglass former allows high efficiency and good.
.
Frequency response extension. Aluminium basket and magnetic assembly design provide an excellent heat.

Dissipation and very low power compression. The M-roll surround shape combined to spider design offer good linear displacement and precise low frequency reproduction.

Applications :

* • The MB8N251 finds its application in compact 2-way bass reflex system where very high dynamic and power handling are required.
* • Perfect for multi-way reflex enclosures such as line arrays.

Features :

* 2.5-inch , fibreglass former, aluminum voice coil
* 600 Watt continuous program power handling
* 96 dB Sensitivity
* 60 Hz - 3.5kHz Frequency range
* Forced air ventilation
* M-roll surround and exponential cone geometry

General Specifications :

* Nominal Diameter: 200 / 8 mm/inch
* Rated Impedance: 8 Ω
* Program Power: 600 W AES
* Power handling capacity: 300 W AES
* Sensitivity: 96 dB
* Frequency Range: 60 Hz ÷ 3500 Hz
* Effective Piston Diameter: 165 / 6.5 mm/inch
* Max Excursion Before Damage (peak to peak): 40 / 1.57 mm/inch
* Minimum Impedance: 6.0 Ω
* Voice Coil Diameter: 64 / 2.50 mm/inch
* Voice Coil Material: Aluminum
* Voice Coil Winding Depth: 14 / 0.55 mm/inch
* Number of layers: 1
* Kind of layer: outside
* Top Plate Thickness: 9 / 0.35 mm/inch
* Cone Material: No pressed pulp
* Cone Design: Curved
* Surround Material: Polycotton
* Surround Design: M - roll

Thiele/Small Parameters :

* Resonance frequency: 68 Hz
* DC resistance: 5.1Ω
* Mechanical factor: 4.6
* Electrical factor: 0.26
* Total factor: 0.25
* BL Factor: 15.2 T · m
* Effective Moving Mass: 27.2 g
* Equivalent Cas air load: 12.8 liters
* Effettive piston area: 0.021 m²
* Max. linear excursion (mathematical): 4.8 mm
* Voice - coil inductance @ 1kHz: 1.3 mH
* Half-space efficiency: 1.70%

Mounting information

* Overall Diameter: 239 / 9.41 mm/inch
* Bolt Circle Diameter: 221-227 / 8.70-8.93 mm/inch
* Bolt Hole Diameter: 6.5 / 0.26 mm/inch
* Front Mount Baffle Cut-out: 185 / 7.28 mm/inch
* Rear Mount Baffle Cut-out: 185 / 7.28 mm/inch
* Depth: 92.5 / 3.64 mm/inch
* Volume occupied by the driver: 0.6 / 0.02 liters/ft³
* Net Weight: 2.0 / 4.41 kg/lbs

Shipping information :

* Shipping weight: 2.2 / 4.85 kg/lbs
2 ans

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