Recommended for professional audio as a woofer in vented enclosures. Also ideal for horn loading and scoops.


Specifications
ModelOmega Pro-18A
Nominal Impedance(Ohms)8 ohms
Power Handling(RMS)800 Watts
Power Handling Range (RMS)1,600 Watts
Usable Frequency Range(Hz)40 to 800 Hz
Sensitivity(dB)97 dB 1W/1m
Magnet Weight(oz)109 oz.
Voice Coil Diameter4"
Coil FormerKapton® / Polyimide
Voice Coil Wire MaterialCopper
Magnet CompositionFerrite
Basket MaterialCast Aluminum
Cone CompositionPaper
Surround CompositionCloth
Net Weight(lb)28.05
Resonant Frequency(Fs)25 Hz
DC Resistance(Re)5.2 ohms
Coil Inductance(Le)1.67 mH
Mechanical Q(QMS)8.18
Electromagnetic Q(Qes)0.32
Total Q(Qts)0.31
Compliance Equiv Vol (Vas)19.38 ft3
Mechanical Compliance(cm2)0.29 mm/N
BL Product(Bl)18.8 Tm
Moving Mass(MMs)138g
Surface Area of Cone(Sd)1159 cm2
Max Linear Excursion(Xmax)4.8 mm
Mounting and Shipping Information
Overall Diameter18.00"
Nominal Diameter18"
Baffle Hole Diameter16.56"
Depth8.15"
No of Mounting Holes8
Sealed Volume0.99 ft3
Sealed F3100 Hz
Vented Volume2.19 ft3
Vented F365 Hz