(StÃ¼ck) RCF 30cm Tief-MitteltÃ¶ner MB12N405

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12'' Tiefmitteltöner, 8 Ohm, 1000W, 95dB/W/m, 60-2000 (1200)Hz, 100mm Schwingspule, hinterlüftete Zentrierung, Xmax +/-7,3mm, 20-40l BR

Lieferzeit 3-5 Werktage:

Artikelnummer: RCF-MB12N405

Preis: 370,00 €

[inkl. 19% MwSt zzgl. Versandkosten]

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The MB12N405 is a hypervented neo mid-bass design with a linear frequency response and very high efficiency.

To get this performance the magnetic structure use a high flux neo disc and the cone assembly a fibre loaded exponential shape along with a high excursion triple roll, constant geometry surround.
The fibreglass former and aluminium voice coil provide a very high power handling maintaining a light mass and a proper Q factor for bass alignment.

Features

4-inch, fibreglass inside/outside aluminium voice coil
2000W continuous program power handling
98.5 dB Sensitivity
50 Hz – 2 kHz Frequency range
Dual-forced air ventilation for minimum power compression
Triple roll surround and exponential cone geometry

General Specifications

Nominal Diameter:300 / 12 mm/inch
Rated Impedance:8 Ω
Program Power:2000 W AES
Power handling capacity:1000 W AES
Sensitivity:98.5 dB
Frequency Range:50 Hz ÷ 2000 Hz
Effective Piston Diameter:260 / 10.2 mm/inch
Max Excursion Before Damage (peak to peak):53/ 2.08 mm/inch
Minimum Impedance:6.6 Ω
Voice Coil Diameter:100 / 4.0 mm/inch
Voice Coil Material:Aluminium
Voice Coil Winding Depth:20 / 0.78 mm/inch
Number of layers:2
Kind of layer:inside / outside
Top Plate Thickness:12 / 0.47 mm/inch
Cone Material:No pressed pulp
Cone Design:Curved
Surround Material:Polycotton
Surround Design:Triple roll

Thiele/Small Parameters

Resonance frequency:52 Hz
DC resistance:5.0Ω
Mechanical factor:6.0
Electrical factor:0.21
Total factor:0.20
BL Factor:23.5 T · m
Effective Moving Mass:72.5 g
Equivalent Cas air load:53 liters
Effettive piston area:0.053 m²
Max. linear excursion (mathematical):7.3 mm
Voice - coil inductance @ 1kHz:1.2 mH
Half-space efficiency:3.31%

Mounting information

Overall Diameter:320 / 12.6 mm/inch
Bolt Circle Diameter:293-304 / 11.5-12 mm/inch
Bolt Hole Diameter:6.5 / 0.3 mm/inch
Front Mount Baffle Cut-out:282 / 11.1 mm/inch
Rear Mount Baffle Cut-out:284 / 11.2 mm/inch
Depth:125.5 / 4.9 mm/inch
Volume occupied by the driver:2.9 / 0.098 liters/ft³
Net Weight:7.7 / 16.9 kg/lbs

Shipping information

Shipping weight:8.7 / 19.1 kg/lbs

http://www.rcf.it/de_DE/c/document_library/get_file?p_l_id=8886913&folderId=22488&name=DLFE-23435.pdf

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