Raw Speakers :: Definimax-4018LF

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Definimax 4018LF, 18", 800W 8 ohm, Low Distortion Subwoofer

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DEFINIMAX� 4018LF Professional Series Subwoofer

Recommended for professional audio and bass as a low distortion subwoofer in single or multi-driver designs.

SPECIFICATION
Nominal Basket Diameter	18", 457.2mm
Nominal Impedance*	8 ohms
Power Rating
Watts	800W
Music Program	1600W
Resonance	32Hz
Usable Frequency Range	36Hz-200Hz
Sensitivity***	95
Magnet Weight	109 oz.
Gap Height	0.375", 9.53mm
Voice Coil Diameter	4", 101.6mm

THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	32Hz
DC Resistance (Re)	6.19
Coil Inductance (Le)	4.78mH
Mechanical Q (Qms)	10.38
Electromagnetic Q (Qes)	0.36
Total Q (Qts)	0.35
Compliance Equivalent Volume (Vas)	237.9 liters / 8.4 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	939cc
Mechanical Compliance of Suspension (Cms)	0.12mm/N
BL Product (BL)	27.0 T-M
Diaphram Mass inc. Airload (Mms)	211 grams
Efficiency Bandwidth Product (EBP)	89
Maximum Linear Excursion (Xmax)	7.9mm
Surface Area of Cone (Sd)	1188.0 cm2
Maximum Mechanical Limit (Xlim)	15.9mm