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RCF LF18N408 18-inch, 3000W, 8 Ohm Bass Woofer

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Recommended price £521.00 -21%

£412.00 incl. 20% VAT

General

Equipped with a neodymium magnet, the RCF LF18N408 18-inch low-frequency woofer boasts a program power handling of no less than 3,000 Watts at 8 Ohms, guaranteeing full-force, distortion-free bass.

Specifications

Product features

Sustainable product	not specified
Type of speaker	subwoofer
Minimum frequency	25 - 29 Hz
Maximum frequency	1 - 4.9 kHz
RMS capacity in watts	1,500 - 3,000 W
Peak power in watts	1,500 - 3,000 watts
Sensitivity	97 dB
Nominal impedance	8 ohms
Type of magnet	neodymium
Weight per speaker	9 kg
Installation depth	220 - 229 mm

Weight and dimensions including packaging

Weight (incl. packaging)	10,2 kg
Dimensions (incl. packaging)	52,0 x 49,5 x 27,0 cm

Product specifications

nominal diameter: 18"/457mm
nominal impedance: 8 Ohms
program power: 3,000W
output capacity: 1,500W
sensitivity: 97.0dB
frequency range: 25Hz - 1,000Hz
effective piston diameter: 395mm/15.55"
max. damage excursion: 58mm/2.28"
minimum impedance: 6.0 Ohms
voice-coil diameter: 4.0"/102mm
voice-coil material: copper
voice-coil length: 38mm/1.5"
number of layers: 2
layer sort: interior, exterior
upper plate depth: 15mm (0.59")
cone design: curved
surround material: polycotton
surround design: three-double role
magnets: neodymium
air ventilation with double power: yes
single spin
de-modulation ring

Thiele & Small

resonant frequency (Fs): 30 Hz
DC impedance (Re): 4.30 Ohms
mechanical factor: 3.6 Qms
electrical factor: 0.36 Qes
total factor: 0.33 Qts
Bl-factor (Bl): 25.7 T x M
effective moving mass (Mms): 284.0g
equivalent Cas air-loaded (Vas): 193.0 litres
effective piston surface (Sd): 0.122 m2
max. linear excursion (Xmax): 15mm
voice-coil induction @ 1kHz (Le1k): 1.56 mH
efficient at half space (Eff): 1.57%

mounting information

total diameter: 465mm / 18.31"
bolt hole diameter: 7mm / 0.28"
front mount bulkhead recess: 424mm / 16.69"
rear mount bulkhead recess: 425mm / 16.73"
driver volume: 5.5 litres / 0.22 ft3

dimensions and weight

dimensions (diameter x height): 46.5 x 22.35cm
cut-out diameter: 42.3mm
weight: 9 kg

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The development team at RCF (Radio Cine Forniture) certainly hasn't been resting on its laurels. Since 1949, the Italian manufacturer has been treating us to high-grade audio systems, and from the looks of their new TT22-A II and TT25-A II speakers and TT25-CXA stage monitor, they're not about to quit any time soon.