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RCF LF18X401 18-inch, 3000W, 8 Ohm Bass Woofer

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Product information

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RCF LF18X401 18-inch, 3000W, 8 Ohm Bass Woofer
Product no: 9000-0106-1545 Bax Music Warranty: This product comes with a 3-year warranty.

General

The 18 inch RCF LF18X401 bass woofer has a massive program power handling rating of 3,000 Watts at 8 Ohms and comes fitted with a ceramic magnet to guarantee powerful and accurate bass with minimal distortion.

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	98 dB
Nominal impedance	8 ohms
Type of magnet	ceramic
Weight per speaker	12 kg
Installation depth	190 - 199 mm

Weight and dimensions including packaging

Weight (incl. packaging)	15,0 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: 97.5dB
frequency range: 25Hz - 1000Hz
effective piston diameter: 395mm/15.55"
max. damage excursion: 50mm/1.97"
minimum impedance: 6.5
voice-coil diameter: 4.0"/102mm
voice-coil material: copper
voice-coil length: 30mm/1.18"
number of layers: 2
layer sort: interior, exterior
upper plate depth: 15mm (0.59")
cone design: straight
surround material: polycotton
surround design: three-double role
magnet: ceramic
air ventilation with double power: yes
spin: double with silicon based damping treatment

Thiele & Small

resonant frequency (Fs): 30 Hz
DC impedance (Re): 5.4 Ohms
mechanical factor: 7.4 Qms
electrical factor: 0.31 Qes
total factor: 0.30 Qts
Bl-factor (Bl): 26.5 T x M
effective moving mass (Mms): 215g
equivalent Cas air-loaded (Vas): 274 litres
effective piston surface (Sd): 0.120 m2
max. linear excursion (Xmax): 12mm
voice-coil induction @ 1kHz (Le1k): 0.83 mH
efficient at half space (Eff): 2.3%

mounting information

total diameter: 465mm / 18.31"
bolt circle diameter: 442-447mm / 17.4-17.6"
bolt hole diameter: 7mm
front mount bulkhead recess: 424mm / 16.69"
rear mount bulkhead recess: 425mm / 16.73"
driver volume: 6.5 litres / 0.22 ft3

dimensions and weight

dimensions (diameter x height): 46.5 x 19.6cm
weight: 12.5 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.