18 Inch Proloud Speakers Subwoofer Parlante Made in China

• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Optional Combination
• Speaker Material: Metal
• Model NO.: HDW-1809
• Application: Commercial
• Monitor: None
• THD: <0.005%
• Magnet: Ferrite
• Voice Coil Diameter: 100/4 mm/Inch
• Sensitivity: 98 dB
• Frequency Range: 39.7-1.5K Hz
• Basket: Cast Aluminium
• Type: 18 Inch Subwoofer
• Performance: Stable
• Transport Package: Export Carton or as Your Requirement
• Specification: 18 inch
• Trademark: HD
• Origin: Guangzhou, China
• HS Code: 851829000
• Production Capacity: 5000piece/Month

Product Description

General Specifications
Nominal Diameter	460/18	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	750	Watts
Program Power	1500	Watts
Sensitivity(lw/lm)	98	dB
Frequency Range	39.7-1.5K	Hz
Minimum Impedance(Zmin)	5.2	ohm
Voice Coil Diameter	100/4	mm/inch
Voice Coil Material	Copper
Number of layers	2
Magnet gap depth	12	mm
Surround Shape	W-roll
Basket	Cast Aluminium
Magnet	220 Ferrite
Mounting Information
Overall Diameter	460	mm
Bolt Circle Diameter	445	mm
Baffle Cutout Diameter	422	mm
Overall Depth	208	mm
Net Weight	12.2	kg
Shipping weight	13.3	kg
Shipping Box	490*490*250	mm

Thiele-Small Parameters
Resonance frequency	39.7	35.5	Hz
DC resistance	5.3	5.6	ohm
Mechanical factor	6.87	4.99
Electrical factor	0.44	0.41
Total factor	0.42	0.38
Mechanical compliance	0.09	0.06	mm/N
Mechanical resistance	6.5	15.6	mech-ohm
of suspension losses
Effective Moving Mass	178.5	349.2	gr
Half-space efficiency	2.44	1.21	%
BL Factor	23	32.6	T.m
Equivalent Cas air load	180.4	115.2	liters
Voice-coil inductance	1.4	1.2	mH