(StÃ¼ck) RCF 46cm TieftÃ¶ner LF18X451

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8 Ohm, 1800W, 97dB/W/m, 30-700 (150)Hz, 115mm Schwingspule in-/outside gewickelt, hinterlüftete Zentrierung, T-Polkern, Xmax +/-13,5mm, 150-270l BR

Lieferzeit 3-5 Werktage:

Artikelnummer: RCF-LF18X451

Preis: 540,00 €

[inkl. 19% MwSt zzgl. Versandkosten]

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Incredibly linear frequency response characteristics, the highest power handling of any comparable 18-inch transducer, the lowest power compression.

The LF18X451 features a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround: this combination provides remarkable strength and a peak to peak maximum excursion of 54 mm. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling. A double silicon spider system ensures excellent control during large excursions. A fully optimised T-pole design generate the minimum amount of flux modulation.

Features

4,5 - inch fiberglas Inside/Outside copper voice coil
3600 Watt continuous program power handling
97 dB Sensitivity
30 Hz - 1 kHz Frequency range
Dual Forced Hyperventing System
Dual spider designed with silicon based damping control
BL of 30.5 Txm to provide a faster and accurate low frequency

General Specifications

Nominal Diameter:460/18 mm/inch
Rated Impedance:8 Ω
Program Power:3600 W AES
Power handling capacity:1800 W AES
Sensitivity:97 dB
Frequency Range:30 Hz ÷ 1000 Hz
Effective Piston Diameter:395 / 15.6 mm/inch
Max Excursion Before Damage (peak to peak):54/2.12 mm/inch
Minimum Impedance:6.8 Ω
Voice Coil Diameter:115 / 4.5 mm/inch
Voice Coil Material:Copper
Voice Coil Winding Depth:34 / 1.33 mm/inch
Number of layers:2
Kind of layer:inside / outside
Top Plate Thickness:15 / 0.6 mm/inch
Cone Material:No presed pulp
Cone Design:Straight
Surround Material:Polycotton
Surround Design:Triple roll

Thiele/Small Parameters

Resonance frequency:30 Hz
DC resistance:5.4Ω
Mechanical factor:6.7
Electrical factor:0.29
Total factor:0.28
BL Factor:30.5 T · m
Effective Moving Mass:260 g
Equivalent Cas air load:220 liters
Effettive piston area:0.122 m²
Max. linear excursion (mathematical):13.5 mm
Voice - coil inductance @ 1kHz:2,9 mH
Half-space efficiency:1.90%

Mounting information

Overall Diameter:465 / 18.3 mm/inch
Bolt Circle Diameter:442-447 / 17.4-17.6 mm/inch
Bolt Hole Diameter:6.5 / 0.25 mm/inch
Front Mount Baffle Cut-out:424/16.7 mm/inch
Rear Mount Baffle Cut-out:424 / 16.7 mm/inch
Depth:194 / 7.63 mm/inch
Volume occupied by the driver:6.5 / 0.23 liters/ft³
Net Weight:15.2 / 33.4 kg/lbs

Shipping information

Shipping weight:16.2 / 35.5 kg/lbs

http://www.rcf.it/de_DE/c/document_library/get_file?p_l_id=6987799&folderId=22488&name=DLFE-21788.pdf

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