High Quality 18 Inch Professional Speaker PRO Audio Loudspeaker Subwoofer

• Type: 18 Inch Subwoofer
• Magnet: Ferrite
• Voice Coil: 4 Inch
• Basket: Cast Aluminium
• Power: 1500 Watts
• Sensitivity: 98 dB
• Model NO.: HDW-1809
• Voice Coil Material: Copper
• Transport Package: by Export Carton or as Your Requirement
• Specification: 18 inch Speaker
• Trademark: OEM and ODM
• Origin: Guangzhou, China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

High Quality 18 Inch Professional Speaker Pro Audio Loudspeaker Subwoofer


 

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	Fs	39.7	Hz
DC resistance	Re	5.3	ohm
Mechanical factor	Qms	6.87
Electrical factor	Qes	0.44
Total factor	Qts	0.42
Mechanical compliance	Cms	0.09	mm/N
Mechanical resistance	Rms	6.5	mech-ohm
of suspension losses
Effective Moving Mass	Mms	178.5	gr
Half-space efficiency	Eff	2.44	%
BL Factor	BL	23	T.m
Equivalent Cas air load	Vas	180.4	liters
Voice-coil inductance	LelK	1.4	mH

 
INTRODUCTION
Hengda Audio is a professinal speaker manufacturer with experience in the PA speaker field for 10years. We make  different tranducers, compression drivers. We not only provide goods but technology. OEM and ODM are both welcome.