(StÃ¼ck) RCF 46cm TieftÃ¶ner LF18N451

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8 Ohm, 1500W RMS, 97dB/W/m, 30-700 (150)Hz, 115mm Schwingspule in-/outside gewickelt, hinterlüftete Zentrierung, T-Polkern, Xmax +/-8,8mm, 150-250l BR

Lieferzeit 3-5 Werktage:

Artikelnummer: RCF-LF18N451

Preis: 620,00 €

[inkl. 19% MwSt zzgl. Versandkosten]

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8 Ohm, 800W, 97dB/W/m, 35-700 (150)Hz, 100mm Schwingspule in-/outside gewickelt, hinterlüftete Zentrierung, T-Polkern, Xmax +/-5mm, 120-180l BR

The LF18N451 is a very high power handling and efficiency transducer specially designed to provide powerful and accurate sub-bass frequencies with low distortion and low power compression.

Ultra fast time response. The LF18N451 uses a fibre loaded cone assembly along a large triple roll surround, this combination provides remarkable strength and control.
Double silicon spider sysetm ensures excellent control during large excursions.
A fully optimazed T-pole design generate the minimum amount of flux modulation.
The Dual-forced air venting system provides a very efficient voice coil ventilation to minimize the power compression.

Features

4,5 - inch Inside/Outside copper voice coil
3000 Watt continuous program power handling
97.5 dB Sensitivity
30 Hz - 1 kHz Frequency range
Dual-forced air ventilation for minimum power compression
Dual spider designed with silicon based damping control
BL of 30.2 Txm to provide a faster and accurate low frequency

General Specifications

Nominal Diameter:460/18 mm/inch
Rated Impedance:8 Ω
Program Power:3000 W AES
Power handling capacity:1500 W AES
Sensitivity:97.5 dB
Frequency Range:30 Hz ÷ 1000 Hz
Effective Piston Diameter:395 / 15.6 mm/inch
Max Excursion Before Damage (peak to peak):60/2.36 mm/inch
Minimum Impedance:6.3 Ω
Voice Coil Diameter:115 / 4.5 mm/inch
Voice Coil Material:Copper
Voice Coil Winding Depth:26 / 1.02 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:Curved
Surround Material:Polycotton
Surround Design:Triple roll

Thiele/Small Parameters

DC resistance:5.0Ω
Mechanical factor:6.0
Electrical factor:0.25
Total factor:0.24
BL Factor:30.2 T · m
Effective Moving Mass:235 g
Equivalent Cas air load:245 liters
Effettive piston area:0.122 m²
Max. linear excursion (mathematical):8.8 mm
Voice - coil inductance @ 1kHz:2.6 mH
Half-space efficiency:2.54%

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:205 / 8.1 mm/inch
Volume occupied by the driver:5.5/0.19 liters/ft³
Net Weight:10.6 / 23.3 kg/lbs

Shipping information

Shipping weight:11.8 / 26 kg/lbs

http://www.rcf.it/de_DE/c/document_library/get_file?p_l_id=251799&folderId=22488&name=DLFE-2220.pdf

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