RCF PROFESSIONAL COMPONENTS

LF18G400 - VERY HIGH POWER 18" WOOFER 

PREFERRED FOR THX AND HIGH FIDELITY SUBWOOFER APPLICATIONS DUE TO ITS' EXTREMELY LOW DISTORTION!

 

Item Price: $564.95

WOOFER MODEL

LF18G400

SPECIFICATIONS

Nominal Basket Diameter

18"

Impedance

8 ohms

AES Power Rating

1,000 Watts

Program Power  2,000 Watts  

Frequency Response

25Hz - 2.0kHz

Sensitivity (1W/1m)

97.5dB

Voice Coil Diameter

4" / 100mm

Max. Excursion Before Damage 2" / 50mm
Voice Coil Winding Depth 1.0" / 25m
Cone Material Carbon Fiber

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 0.3" / 6.5mm
Flange Thickness .6" / 14mm 
Overall Depth 8.3" / 210mm
Volume Displaced By Driver 7 Liters / .2ft^3
Net Weight 13.3 kg. / 29.3 lbs.
Shipping Weight 14.3 kg. / 31.5 lbs.

THIELE-SMALL PARAMETERS

Resonant Frequency (fs) 28 Hz
Impedance (Re) 5.1 ohms
Coil Inductance (Le) 2.5mH
Electromagnetic Q (Qes) .29
Mechanical Q (Qms) 4.6
Total Q (Qts) .27
Diaphragm Mass (Mms) 190 grams
Compliance Equivalent Vol. (Vas) 360 Liters/12.71cu. ft.
Surface Area of Cone (Sd) .122m2
Voice Coil Overhang (Xmax) 9.0mm
BL Factor 24.2T-M
Reference Efficiency 2.63%
FREQUENCY RESPONSE & IMPEDANCE CURVE

Frequency response in a hemispherical, free field environment mounted in a closed box with an internal volume of 600 liters (21.2 cu.ft) enclosing the rear of the driver

DIMENSIONAL DRAWING

US Speaker, LLC