RCF PROFESSIONAL COMPONENTS

LF18X451 - EXTREME HIGH POWER 18" WOOFER 

HANDLES EXTREME POWER OF 3,600 WATTS, HAS A STRONG MOTOR WITH A BL FACTOR OF 30.5TM W/ A HIGH 13.5MM XMAX!

RCF LF18X451

LF18X451

Item Price: $610.95

WOOFER MODEL

LF18X451

SPECIFICATIONS

Nominal Basket Diameter

18" / 460mm

Impedance

8 ohms

AES Power Rating

1,800 Watts

Program Power  3,600 Watts  

Frequency Response

25Hz - 1.0kHz

Sensitivity (1W/1m)

97.5dB

Voice Coil Diameter

4.5" / 115mm

Max. Excursion Before Damage 2.12" / 54mm
Voice Coil Winding Depth 1.33" / 34mm
Top Plate Thickness .6" / 15mm
Number Of Layers 2

MATERIALS

Voice Coil Material Copper
Cone Material No Pressed Pulp
Cone Design Straight
Surround Material Polycotton
Surround Design Triple Roll
Magnet Ferrite

MOUNTING INFORMATION

Overall Diameter

18.3" / 465mm
Bolt Circle Diameter 17.4"-17.6"" / 442-447mm
Baffle Cutout Diameter 16.7" / 424mm
No. Of Mounting Holes 8
Mounting Hole Diameter 0.26" / 6.5mm
Overall Depth 7.63" / 194mm
Flange Thickness .55" / 14mm
Volume Displaced By Driver 6.5 Liters / .23ft^3
Net Weight 15.2 kg. / 33.4 lbs.
Shipping Weight 16.2 kg. / 35.5 lbs.

THIELE-SMALL PARAMETERS

Resonant Frequency (fs) 30 Hz
Impedance (Re) 5.4 ohms
Coil Inductance (Le) 2.9mH
Electromagnetic Q (Qes) .29
Mechanical Q (Qms) 6.7
Total Q (Qts) .28
Compliance Equivalent Vol. (Vas) 220 Liters/7.77cu. ft.
Voice Coil Overhang (Xmax) 13.5mm
BL Factor (BL) 30.5T-M
Effective Moving Mass (Mms) 260 grams
Surface Area of Cone(Sd) .122 m2
Reference Efficiency 1.9%

FREQUENCY RESPONSE

RCF LF18X451 Frequency

IMPEDANCE

MOUNTING INFORMATION

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