RCF LF18N451 18-Inch 3000 Watt Subwoofer
Overview
The RCF LF18N451 is a high-power, 18-inch subwoofer designed to deliver accurate and powerful sub-bass frequencies with minimal distortion. Engineered for professional audio applications, this subwoofer features a 4.5-inch inside/outside copper voice coil and a fibre-loaded cone assembly. Its advanced design includes dual-forced air ventilation and a triple roll surround, ensuring high efficiency and reliable performance. The LF18N451 is ideal for use in touring, large venues, and any setup requiring robust low-frequency output.
Features:
- 18-inch low-frequency transducer
- 3000 watts continuous program power handling
- 4.5-inch inside/outside copper voice coil
- 97.5 dB sensitivity
- Frequency range: 30 Hz - 1 kHz
- Dual-forced air ventilation for minimal power compression
- Dual spider with silicon-based damping control
- BL factor of 30.2 T x m for fast and accurate low frequencies
Specifications:
- Nominal Diameter: 18 inches / 457 mm
- Rated Impedance: 8 ohms
- Program Power: 3000 watts
- Power Handling Capacity: 1500 watts
- Sensitivity: 97.5 dB
- Frequency Range: 30 Hz - 1000 Hz
- Effective Piston Diameter: 395 mm / 15.55 inches
- Max Excursion Before Damage: 60 mm / 2.36 inches
- Minimum Impedance: 6.3 ohms
- Voice Coil Diameter: 114 mm / 4.5 inches
- Voice Coil Length: 26 mm / 1.02 inches
- Number of Layers: 2
- Cone Design: Curved
- Surround Design: Triple roll
- Resonance Frequency (Fs): 31 Hz
- DC Resistance (Re): 5.00 ohms
- Mechanical Factor (Qms): 6.00
- Electrical Factor (Qes): 0.25
- Total Factor (Qts): 0.24
- BL Factor (Bl): 30.20 T x m
- Effective Moving Mass (Mms): 235 g
- Equivalent Cas Air Loaded (Vas): 245 liters
- Effective Piston Area (Sd): 0.120 m²
- Max Linear Excursion (Xmax): 9 mm
- Voice Coil Inductance @ 1kHz (Le1k): 2.60 mH
- Half-Space Efficiency (Eff): 2.54%
Mounting Information:
- Overall Diameter: 465 mm / 18.31 inches
- Bolt Circle Diameter: 442-447 mm / 17.4-17.6 inches
- Bolt Hole Diameter: 7 mm / 0.28 inches
- Front Mount Baffle Cut-out: 424 mm / 16.69 inches
- Rear Mount Baffle Cut-out: 425 mm / 16.73 inches
- Volume Occupied by the Driver: 5.5 liters / 0.22 ft³
Size and Weight:
- Height: 223 mm / 8.78 inches
- Diameter: 465 mm / 18.31 inches
- Weight: 10.5 kg / 23.15 lbs
Overview
The RCF LF18N451 is a high-power, 18-inch subwoofer designed to deliver accurate and powerful sub-bass frequencies with minimal distortion. Engineered for professional audio applications, this subwoofer features a 4.5-inch inside/outside copper voice coil and a fibre-loaded cone assembly. Its advanced design includes dual-forced air ventilation and a triple roll surround, ensuring high efficiency and reliable performance. The LF18N451 is ideal for use in touring, large venues, and any setup requiring robust low-frequency output.
Features:
- 18-inch low-frequency transducer
- 3000 watts continuous program power handling
- 4.5-inch inside/outside copper voice coil
- 97.5 dB sensitivity
- Frequency range: 30 Hz - 1 kHz
- Dual-forced air ventilation for minimal power compression
- Dual spider with silicon-based damping control
- BL factor of 30.2 T x m for fast and accurate low frequencies
Specifications:
- Nominal Diameter: 18 inches / 457 mm
- Rated Impedance: 8 ohms
- Program Power: 3000 watts
- Power Handling Capacity: 1500 watts
- Sensitivity: 97.5 dB
- Frequency Range: 30 Hz - 1000 Hz
- Effective Piston Diameter: 395 mm / 15.55 inches
- Max Excursion Before Damage: 60 mm / 2.36 inches
- Minimum Impedance: 6.3 ohms
- Voice Coil Diameter: 114 mm / 4.5 inches
- Voice Coil Length: 26 mm / 1.02 inches
- Number of Layers: 2
- Cone Design: Curved
- Surround Design: Triple roll
- Resonance Frequency (Fs): 31 Hz
- DC Resistance (Re): 5.00 ohms
- Mechanical Factor (Qms): 6.00
- Electrical Factor (Qes): 0.25
- Total Factor (Qts): 0.24
- BL Factor (Bl): 30.20 T x m
- Effective Moving Mass (Mms): 235 g
- Equivalent Cas Air Loaded (Vas): 245 liters
- Effective Piston Area (Sd): 0.120 m²
- Max Linear Excursion (Xmax): 9 mm
- Voice Coil Inductance @ 1kHz (Le1k): 2.60 mH
- Half-Space Efficiency (Eff): 2.54%
Mounting Information:
- Overall Diameter: 465 mm / 18.31 inches
- Bolt Circle Diameter: 442-447 mm / 17.4-17.6 inches
- Bolt Hole Diameter: 7 mm / 0.28 inches
- Front Mount Baffle Cut-out: 424 mm / 16.69 inches
- Rear Mount Baffle Cut-out: 425 mm / 16.73 inches
- Volume Occupied by the Driver: 5.5 liters / 0.22 ft³
Size and Weight:
- Height: 223 mm / 8.78 inches
- Diameter: 465 mm / 18.31 inches
- Weight: 10.5 kg / 23.15 lbs
Description
Overview
The RCF LF18N451 is a high-power, 18-inch subwoofer designed to deliver accurate and powerful sub-bass frequencies with minimal distortion. Engineered for professional audio applications, this subwoofer features a 4.5-inch inside/outside copper voice coil and a fibre-loaded cone assembly. Its advanced design includes dual-forced air ventilation and a triple roll surround, ensuring high efficiency and reliable performance. The LF18N451 is ideal for use in touring, large venues, and any setup requiring robust low-frequency output.
Features:
- 18-inch low-frequency transducer
- 3000 watts continuous program power handling
- 4.5-inch inside/outside copper voice coil
- 97.5 dB sensitivity
- Frequency range: 30 Hz - 1 kHz
- Dual-forced air ventilation for minimal power compression
- Dual spider with silicon-based damping control
- BL factor of 30.2 T x m for fast and accurate low frequencies
Specifications:
- Nominal Diameter: 18 inches / 457 mm
- Rated Impedance: 8 ohms
- Program Power: 3000 watts
- Power Handling Capacity: 1500 watts
- Sensitivity: 97.5 dB
- Frequency Range: 30 Hz - 1000 Hz
- Effective Piston Diameter: 395 mm / 15.55 inches
- Max Excursion Before Damage: 60 mm / 2.36 inches
- Minimum Impedance: 6.3 ohms
- Voice Coil Diameter: 114 mm / 4.5 inches
- Voice Coil Length: 26 mm / 1.02 inches
- Number of Layers: 2
- Cone Design: Curved
- Surround Design: Triple roll
- Resonance Frequency (Fs): 31 Hz
- DC Resistance (Re): 5.00 ohms
- Mechanical Factor (Qms): 6.00
- Electrical Factor (Qes): 0.25
- Total Factor (Qts): 0.24
- BL Factor (Bl): 30.20 T x m
- Effective Moving Mass (Mms): 235 g
- Equivalent Cas Air Loaded (Vas): 245 liters
- Effective Piston Area (Sd): 0.120 m²
- Max Linear Excursion (Xmax): 9 mm
- Voice Coil Inductance @ 1kHz (Le1k): 2.60 mH
- Half-Space Efficiency (Eff): 2.54%
Mounting Information:
- Overall Diameter: 465 mm / 18.31 inches
- Bolt Circle Diameter: 442-447 mm / 17.4-17.6 inches
- Bolt Hole Diameter: 7 mm / 0.28 inches
- Front Mount Baffle Cut-out: 424 mm / 16.69 inches
- Rear Mount Baffle Cut-out: 425 mm / 16.73 inches
- Volume Occupied by the Driver: 5.5 liters / 0.22 ft³
Size and Weight:
- Height: 223 mm / 8.78 inches
- Diameter: 465 mm / 18.31 inches
- Weight: 10.5 kg / 23.15 lbs
