(StÃ¼ck) RCF 8'' Tief-MitteltÃ¶ner MB8N251

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8'' Tiefmitteltöner, 8 Ohm, 300W, 95dB/W/m, 80-3000 (2000)Hz, 64mm Schwingspule, hinterlüftete Zentrierung, Xmax +/-4,8mm, 3-6l BR

Lieferzeit 3-5 Werktage:

Artikelnummer: RCF-MB8N251

Preis: 186,00 €

[inkl. 19% MwSt zzgl. Versandkosten]

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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.

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

http://www.rcf.it/de_DE/c/document_library/get_file?p_l_id=3555980&folderId=22488&name=DLFE-8512.pdf

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