Speaker Drivers · 18"
LF-18X150
18" / 460 mm FERRITE SUBWOOFER · 6" VOICE COIL
18" · FERRITE SUBWOOFER
Key Specifications
Nominal Diameter
460 mm / 18"
Rated Impedance
8 ohm
Nominal Power Handling
1800 W
Program Power
3600 W
Sensitivity (1W/1m)
97 dB
Frequency Range
42 - 500 Hz
- 6" inside/outside copper voice coil - 3600 W program power.
- Klippel DA LPM measured T/S parameters.
Specifications
General Specifications
- Nominal Diameter
- 460 mm / 18"
- Rated Impedance
- 8 ohm
- Nominal Power Handling
- 1800 W
- Program Power
- 3600 W
- Sensitivity (1W/1m)
- 97 dB
- Frequency Range
- 42 - 500 Hz
- Minimum Impedance (Zmin)
- 7.6 ohm
- Voice Coil Diameter
- 150 mm / 6"
- Voice Coil Material
- Copper
- Former Material
- Glass Fibre
- VC Winding Depth
- 31 mm
- Number of Layers
- 2 (inside / outside)
- Magnet Gap Depth
- 14 mm
- Basket
- Cast Aluminium
- Flux Density
- 1.1 T
- Magnet Out Diameter / Weight
- 330 mm / 333 oz
Mounting Information
- Overall Diameter
- 461 mm
- Bolt Circle Diameter
- 439 mm
- Bolt Hole Diameter
- 6.5 x 9.5 mm
- Baffle Cut-out Diameter
- 424 mm
- Overall Depth
- 230 mm
- Air Volume Occupied by Driver
- 12.5 liters
- Net Weight
- 29 kg
- Shipping Weight
- 30.4 kg
- Shipping Box
- 490 x 490 x 245 mm
Thiele-Small Parameters
- Fs (Resonance Frequency)
- 47 Hz
- Re (DC Resistance)
- 5.8 ohm
- Qms (Mechanical Factor)
- 28.0
- Qes (Electrical Factor)
- 0.36
- Qts (Total Factor)
- 0.35
- Cms (Compliance)
- 0.013 mm/N
- Rms (Mechanical Resistance)
- 3.3 kg/s
- Mms (Moving Mass)
- 311 g
- Half-space Efficiency
- 2.0 %
- BL Factor
- 38.7 T.m
- Vas (Equivalent Air Load)
- 71 liters
- Sd (Piston Area)
- 1176 cm2
- Xmax (Linear Excursion)
- +/- 12 mm
- Xdam (Excursion before Damage)
- +/- 27.5 mm
- Le (Voice Coil Inductance)
- 2.1 mH
- EBP (Efficiency Bandwidth Product)
- 130
LF-18X150 · Frequency Response · 1W / 1m
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