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RCF 11100044

Manufacturer: RCF

18-in Pro Woofer w/fibre loaded cone assembly & 2000W continuous power capacity

SKU: L18P400

Vendor: Thunderball Supplier

MSRP: $682.50000

Availability: 63 in stock

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Overview
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Incredibly linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 18-in ch trasducer wtihin its application range.
The L18P400 uses a fibre loaded cone assembly along w/a high excursion triple roll,constant geometry surround.
A fully optimised T-pole design generate the minimum amount of flux modulation.
The T-pole also features RCf Precision's spaced gap demodulation technology, progressively braking the voice coil, providing a much smoother transition for the moving mass as it reachees its maximum excursion limits.
Forced air venting system.
* 4-in ch, fiberglass inside/outside copper voice coil
* 2000W continuous program power handling
* 97.5 dB Sensitivity
* 25 Hz - 1 kHz Frequency range
* Aluminum demodulation ring
* Forced air ventilation & 15mm top plate for minimum power compression
* Dual spider design w/silicon based dampening control
* Triple roll surround & corrugated straight cone geometry
* The L18P400 is ideal for use in applications where incredible power handling,long excursion & perfect control is required.
* Ideal for high quality professional bass reflex & bass-horn system.
* The transducer's low frequency extension, coupled w/its extremely low generation of harmonic distortion,also makes it ideal for use within critical listening applications such as studio monitoring subwoofer system.
* Nominal Diameter: 460 / 18 mm/inch
* Rated Impedance: 8 Ohms
* Program Power: 2000 W AES
* Power handling capacity: 1000 W AES
* Sensitivity: 97.5 dB
* Frequency Range: 25 Hz to 1000 Hz
* Effective Piston Diameter: 395 / 15.6 mm/inch
* Max Excursion Before Damage (peak to peak): 50 / 2.0 mm/inch
* Minimum Impedance: 6.5 Ohms
* Voice Coil Diameter: 100 / 4 mm/inch
* Voice Coil Material: Copper
* Voice Coil Winding Depth: 25 / 1.0 mm/inch
* Number of layers: 2
* Kind of layer: inside / outside
* Top Plate Thickness: 15 / 0.6 mm/inch
* Cone Material: No pressed pulp
* Cone Design: Straight
* Surround Material: Polycotton
* Surround Design: Triple roll
* THIELE/SMALL PARAMETERS
* Resonance frequency: 29 Hz
* DC resistance: 5.1 Ohms
* Mechanical factor: 7.6
* Electrical factor: 0.29
* Total factor: 0.28
* BL Factor: 24.6 T - m
* Effective Moving Mass: 200 g
* Equivalent Cas air load: 340 liters
* Effettive piston area: 0.122 m-Squared
* Max.
linear excursion (mathematical): 8.8 mm
* Voice - coil inductance at 1kHz: 2.5 mH
* Half-space efficiency: 2.63%

* 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: 6.0 / 0.21 liters/ft3
* Net Weight: 13.3 / 29.3 kg/lbs
* SHIPPING INFORMATION
* Shipping weight: 14.3 / 31.5 kg/lbs

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