Rcf

L18P300

Descrição

4-inch, fiberglass inside/outside copper voice coil

2000W continuous program power handling

97 dB Sensitivity

35 Hz – 1.5 kHz Frequency range

Forced air ventilation and 15mm top plate for minimum power compression

Dual spider design with silicon based dampening control

M-roll surround and exponential cone geometry

General Specifications

Nominal Diameter: 460 / 18 mm/inch

Rated Impedance: 8

Program Power: 2000 W AES

Power handling capacity: 1000 W AES

Sensitivity: 97 dB

Frequency Range: 35 Hz ÷ 1000 Hz

Effective Piston Diameter: 380 / 15 mm/inch

Max Excursion Before Damage (peak to peak): 40 / 1.6 mm/inch

Minimum Impedance: 6.0

Voice Coil Diameter: 100 / 4 mm/inch

Voice Coil Material: Copper

Voice Coil Winding Depth: 23 / 0.9 mm/inch

Number of layers: inside / outside

Kind of layer: 2

Top Plate Thickness: 15 / 0.6 mm/inch

Cone Material: No pressed pulp

Cone Design: Curved

Surround Material: Polycotton

Surround Design: M – roll

Thiele/Small Parameters

Resonance frequency: 33 Hz

DC resistance: 5.0

Mechanical factor: 8.3

Electrical factor: 0.34

Total factor: 0.33

BL Factor: 23.5 T · m

Effective Moving Mass: 180 g

Equivalent Cas air load: 226 liters

Effettive piston area: 0.113 m²

Max. linear excursion (mathematical): 7.8 mm

Voice – coil inductance @ 1kHz: 1.9 mH

Half-space efficiency: 2.30%

Mounting information

Overall Diameter: 470 / 18.5 mm/inch

Bolt Circle Diameter: 438 / 17.2 mm/inch

Bolt Hole Diameter: 8 / 0.3 mm/inch

Front Mount Baffle Cut-out: 416 / 16.4 mm/inch

Rear Mount Baffle Cut-out: 416 / 16.4 mm/inch

Depth: 209 / mm/inch

Volume occupied by the driver: 6.5 / 0.23 liters/ft³

Net Weight: 14 / 31.1 kg/lbs

Shipping information

Shipping weight: 14.8 / 32.9 kg/lbs