(StÃ¼ck) RCF 30cm Tief-MitteltÃ¶ner MB12X301

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12'' Tiefmitteltöner, 8 Ohm, 500W, 95dB/W/m, 45-2000 (1200)Hz, 76mm Schwingspule, hinterlüftete Zentrierung, Xmax +/-6mm, 40-60l BR

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Artikelnummer: RCF-MB12X351

Preis: 258,00 €

[inkl. 19% MwSt zzgl. Versandkosten]

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The MB12X301 is designed to provide an excellent frequency response linearity with very low distortion.

A strong magnetic structure guarantee dynamic and precision. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling.
M-roll surround, exponential cone geometry and spider design offer great linearity and precise reproduction.

Features

3-inch, fibreglass inside/outside copper voice coil
1000W continuous program power handling
98.0 dB Sensitivity
45 Hz – 2.5 kHz Frequency range
Dual Forced Hyperventing System
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 dB
Frequency Range:45 Hz ÷ 2500 Hz
Effective Piston Diameter:260 / 10.2 mm/inch
Max Excursion Before Damage (peak to peak):39 / 1.5 mm/inch
Minimum Impedance:6.7 Ω
Voice Coil Diameter:76 / 3.0 mm/inch
Voice Coil Material:Copper
Voice Coil Winding Depth:17 / 0.66 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:50 Hz
DC resistance:5.4Ω
Mechanical factor:9
Electrical factor:0.30
Total factor:0.29
BL Factor:18 T · m
Effective Moving Mass:57 g
Equivalent Cas air load:70 liters
Effettive piston area:0.053 m²
Max. linear excursion (mathematical):6.0 mm
Voice - coil inductance @ 1kHz:0.6 mH
Half-space efficiency:2.80%

Mounting information

Overall Diameter:320 / 12.6 mm/inch
Bolt Circle Diameter:293-304 / 11.5-12 mm/inch
Bolt Hole Diameter:6.5 / 0.25 mm/inch
Front Mount Baffle Cut-out:282 / 11.1 mm/inch
Rear Mount Baffle Cut-out:284 / 11.4 mm/inch
Depth:130.5 / 5.13 mm/inch
Volume occupied by the driver:2.2 / 0.077 liters/ft³
Net Weight:7.6 / 16.7 kg/lbs

Shipping information

Shipping weight:8.4 / 18.4 kg/lbs

http://www.rcf.it/de_DE/c/document_library/get_file?p_l_id=8898808&folderId=22488&name=DLFE-23432.pdf

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