(StÃ¼ck) RCF 30cm Tief-MitteltÃ¶ner MB12N301

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12'' Tiefmitteltöner, 8 Ohm, 500W, 98dB/W/m, 58-2000 (1200)Hz, 76mm Schwingspule, hinterlüftete Zentrierung, Neodymmagnetsystem, Xmax +/-6mm, 3,4kg, 30-40l BR

Lieferzeit 3-5 Werktage:

Artikelnummer: RCF-MB12N301

Preis: 255,00 €

[inkl. 19% MwSt zzgl. Versandkosten]

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The MB12N301 is a neodymium, high efficiency, 12” mid-bass. High sensitivity, excellent linearity and very high power handling capabilities.

The magnetic structure is powered by a large neodymium magnet that provides an extremely high flux density in the gap. The new hyper-vented aluminium basket and magnetic assembly design provide an excellent heat dissipation and lower power compression. Special air-forced ventilations are provided for voice coil, magnet assembly and basket. M-roll surround and spider design offer great linearity and precise reproduction.

Features

3.0-inch, fibreglass inside/outside copper voice coil
1000 Watt continuous program power handling
98.5dB Sensitivity
50Hz –3.0KHz Frequency range
Dual-forced air ventilation for minimum power compression
M-roll surround and exponential cone geometry

General Specifications

Nominal Diameter:300 / 12 mm/inch
Rated Impedance:8 Ω
Program Power:1000 W AES
Power handling capacity:500 W AES
Sensitivity:98.5 dB
Frequency Range:50 Hz ÷ 3000 Hz
Effective Piston Diameter:260 / 10.2 mm/inch
Max Excursion Before Damage (peak to peak):34 / 1.34 mm/inch
Minimum Impedance:6.7 Ω
Voice Coil Diameter:76 / 3.0 mm/inch
Voice Coil Material:Aluminium
Voice Coil Winding Depth:17 / 0.67 mm/inch
Number of layers:2
Kind of layer:inside / outside
Top Plate Thickness:10 / 0.39 mm/inch
Cone Material:No pressed pulp
Cone Design:Curved
Surround Material:Polycotton
Surround Design:M - roll

Thiele/Small Parameters

Resonance frequency:54 Hz
DC resistance:5.8Ω
Mechanical factor:3.1
Electrical factor:0.26
Total factor:0.24
BL Factor:19 T · m
Effective Moving Mass:48 g
Equivalent Cas air load:71 liters
Effettive piston area:0.053 m²
Max. linear excursion (mathematical):6.0 mm
Voice - coil inductance @ 1kHz:1.8 mH
Half-space efficiency:4.00%

Mounting information

Overall Diameter:320 / 12.6 mm/inch
Bolt Circle Diameter:294.5-304 / 11.6-11.9 mm/inch
Bolt Hole Diameter:5.5 / 0.21 mm/inch
Front Mount Baffle Cut-out:288 / 11.25 mm/inch
Rear Mount Baffle Cut-out:288 / 11.25 mm/inch
Depth:133 / 5.24 mm/inch
Volume occupied by the driver:2.2 / 0.08 liters/ft³
Net Weight:3.4 / 7.5 kg/lbs

Shipping information

Shipping weight:4.2 / 9.2 kg/lbs

http://www.rcf.it/de_DE/c/document_library/get_file?p_l_id=3555937&folderId=22488&name=DLFE-8509.pdf

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