FEATURES

• Extremely great linear excursion, ideal for powerful bass and subwoofer applications.
• Aluminium die-cast frame and robust construction.
• Tear resistant tetron-cotton blend rolled cloth edge.
• Cotton polyester blend spider.
• GLASS FIBRE former voice coil for withstanding high temperature.
• 4" Edge-wound aluminium wire voice coil for higher SPL.
• Vented-gap cooling technique.
• Ideal professional bass speaker for all PA, sound reinforcement and live music applications.
• Gold plated push type heavy duty terminals for firm connection.

SPECIFICATIONS

Power Rating	650W RMS
Nominal Diameter	457mm (18”)
Nominal Impedance	8
Sensitivity (1W/1m )	98 dB
Magnet Weight	3.56kg
Resonant Frequencey (Fs)	32Hz
DC Resistance (Re)	5.1
Electromagnetic Q (Qes)	0.26
Mechanical Q (Qms)	5.29
Total Q Factor (Qts)	0.245
Compliance Equivalent Volume (VAS)	246Litr
Surface Area of Cone (Sd)	1225
Reference Efficiency (o)	3.12%
Voice Coil	4.0”
Overhang (Xmax)	5.0 mm
Moving Mass (Mms)	218gm
BL Product (BL)	29.64TM
Coil Inductance (Le)	1.9mH
Overall Diameter	476 mm
Depth	205 mm
Baffle Hole Diameter	424 mm
Bolt Mount Diameter (PCD)	450 mm (8 Bolts)
Weight	12.00kg