18-inch Drivers
LF-18X115N
The LF-18X115N is an 18-inch neodymium subwoofer with 19.1 mm Xmax for high-power subwoofer and bass cabinet systems. It handles 1500 W AES (3000 W RMS, 4500 W peak) with 97 dB sensitivity and a 38 Hz–2 kHz response. 115 mm / 4.5 inch voice coil, 460 mm overall diameter. 19.1 mm linear excursion - high power touring subwoofer. Program power defined as 3 dB greater than AES power.
Specifications
- Nominal Diameter
- 18" / 460 mm
- Nominal Impedance
- 8 ohm
- Sensitivity (1W/1m)
- 97 dB
- Frequency Range
- 38 Hz - 2 kHz
- Voice Coil Diameter
- 115 mm / 4.5"
- Net Weight
- 11.12 kg
GENERAL SPECIFICATIONS
Nominal Diameter | 18" / 460 mm |
Nominal Impedance | 8 ohm |
AES Power Handling | 1500 W |
RMS Continuous Power | 3000 W |
Peak Power | 4500 W |
Sensitivity (1W/1m) | 97 dB |
Frequency Range | 38 Hz - 2 kHz |
Voice Coil Diameter | 115 mm / 4.5" |
Winding Material | PISV |
Former Material | TGL |
Winding Depth | 32 mm |
Magnetic Gap Depth | 12 mm |
Xmax (Linear Excursion) | +/- 19.1 mm |
Surround Material | Polycotton |
Surround Design | W-roll |
MOUNTING INFORMATION
Overall Diameter | 460 mm |
Bolt Circle Diameter | 442 x 8 x 6.5 |
Baffle Cut-out Diameter | 421 mm |
Depth | 240 mm |
Net Weight | 11.12 kg |
Shipping Weight | 13 kg |
Shipping Carton Size | 495 x 495 x 260 mm |
THIELE-SMALL PARAMETERS
Fs (Resonance Frequency) | 38.64 Hz |
Re (DC Resistance) | 5.8 ohm |
Qms (Mechanical Factor) | 4.98 |
Qes (Electrical Factor) | 0.61 |
Qts (Total Factor) | 0.55 |
Cms (Compliance) | 0.1353 |
Mms (Moving Mass) | 241.22 g |
BL Factor | 23.42 T.m |
Vas (Equivalent Air Load) | 180 liters |
Sd (Piston Area) | 1353 cm2 |
Eta Zero | 3.16 % |
Magnet | Neodymium |
