RCF PROFESSIONAL COMPONENTS

LF18G400 - VERY HIGH POWER 18" WOOFER 

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

No Longer Available

Good Replacement Beyma 18PWB1000Fe

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