– TYPE Compact, two-way passive, multi-angled, vented
– FREQUENCY RESPONSE (1) 55Hz-18kHz 3dB DRIVERS 15″ (380mm) bass driver 1.4″ (35mm) exit compression driver
– RATED POWER (2) 400W AES, 1600W peak
– RECOMMENDED AMPLIFIER 400-800W into 4 ohms
– SENSITIVITY (3) 99dB
– MAXIMUM SPL (4) 123dB continuous, 129dB peak
– IMPEDANCE 8 ohms nominal
– DISPERSION (-6dB)
– CROSSOVER 1.2kHz passive
– ENCLOSURE 68 litre, multi-laminate birch ply
– FINISH Textured black paint
– PROTECTIVE GRILLE Black perforated steel
– CONNECTORS 2 x Neutrik NL4
– FITTINGS 12 x M8 inserts Top hat fitting
– DIMENSIONS (W) 471mm x (H) 690mm x (D) 443mm (W) 18.5ins x (H) 27.2ins x (D) 17.5ins
– WEIGHT 32.5kg (71.5lbs)
– Heavy Duty tripod stand included

– Professional band-pass design provides maximum output with deep, room-filling bass
– 18” custom high-output woofer combined with cool-running 1200W Class-D amplification
– Optimised for high-output performance, and equipped with a 140Hz precision crossover
– Robust internal system protection keeps your system running safely
– Dual inputs for mono or stereo applications
– Stereo high-pass outputs optimise sound when connecting to mid/high loudspeakers
– Stereo full-range outputs are ideal for adding more subwoofers
– Easy to mount full-range loudspeakers on top via the sub’s pole cup
– Rugged all-wooden cabinet with a high-durability finish
– Phenomenal ‘Built-Like-A-Tank’ construction for long-term reliability
– Frequency Response: -3dB: 40Hz – 120Hz / -10dB: 30Hz – 132Hz
– Maximum SPL: 130dB
– Crossover Point: 140Hz
– Crossover Slope: 2nd order HP, 6th order LP
– Woofer Diameter: 18” / 457mm
– Voice Coil Diameter: 3” / 76mm
– Cone Material: Paper
– Magnet Material: Ferrite
– Rated Power: 600W (RMS) / 1200W (peak)
– Rated THD: Less than 1-percent
– Cooling: Convection
– Amp Design: Class-D
– Input Type: Female XLR, balanced
– Input Impedance: 20k Ohms (balanced and unbalanced)
– Full Range Output: Male XLR, balanced
– High Pass Outputs: Male XLR, impedance balanced
– Input Protection
– Peak and RMS limiting
– Power supply and amplifier thermal protection
– Finish: Textured black catalyzed polyurethane paint
– Handles: 1 x each side (2 total)
– Dimensions: 800mm x 610mm x 530mm (H x W x D)
– Weight: 37.2kg / 82lbs

– The RCF LF18G400 is a very powerful 18″ woofer that handles a 1,000 watts AES, 2,000 watts program power
– Features a triple roll for extra stability, a large 4″ voice coil & a high xmax of 9.0mm
– Very deep rich low frequency down to 25hz
– 2 aluminum demodulation rings above and below the t-yoke ensures less distortion at low frequencies as well as greater excursion
– This model is preferred for thx and high fidelity applications and all very low distortion high power subwoofer systems for concert, theater, etc.
– 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
– 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: 0.6″ / 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): 0.29
– Mechanical Q (Qms): 4.6
– Total Q (Qts): 0.27
– Diaphragm Mass (Mms): 190 grams
– Compliance Equivalent Vol. (Vas): 360 Liters/12.71cu. ft.
– Surface Area of Cone (Sd): 0.122 square meters
– Voice Coil Overhang (Xmax): 9.0mm
– BL Factor: 24.2T-M
– Reference Efficiency: 2.63%