18 Inch Bass Subwoofer Audio Woofer Lf Speaker Driver Loudspeaker

• Category: Speaker
• Transmission Mode: Electrical
• Cone: Paper Cone
• Transducer Principle: Permanent Magnetic Speaker
• Style: Connected
• Radiation Mode: Indirect Radiation Type
• Model NO.: HDW-18086
• WORD nChannels: Optional
• Brand: OEM & ODM
• Magnet Material: Ferrite
• Voice Coil Diameter: 100/4 mm/Inch
• Sensitivity: 99 dB
• Frequency Range: 40.8-1.5K Hz
• Basket: Cast Aluminium
• Size: 10/12/15/18 Inch Are All Available
• Transport Package: by Export Carton or as Your Requirement
• Specification: 18 inch subwoofer
• Trademark: Customize
• Origin: China
• HS Code: 851829000
• Production Capacity: 5000piece/Month

Product Description

18 Inch Bass Subwoofer audio Woofer LF Speaker Driver Loudspeaker 



 

General Specifications
Nominal Diameter	18	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	650	Watts
Program Power	1300	Watts
Sensitivity(lw/lm)	99	dB
Frequency Range	40.8-1.5K	Hz
Minimum Impedance(Zmin)	5.6	ohm
Voice Coil Diameter	100/4	mm/inch
Voice Coil Material	Cooper
Number of layers	2
Magnet gap depth	12	mm
Surround Shape	W-roll
Basket	Cast Aluminium
Magnet	220  Ferrite
Mounting Information
Overall Diameter	468	mm
Bolt Circle Diameter	445	mm
Baffle Cutout Diameter	424	mm
Overall Depth	212	mm
Net Weight	12.9	kg
Shipping weight	14.1	kg
Shipping Box	490*490*250	mm

Thiele-Small Parameters
Resonance frequency	Fs	40.8	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	5.93
Electrical factor	Qes	0.56
Total factor	Qts	0.51
Mechanical compliance	Cms	0.09	mm/N
Mechanical resistance	Rms	7.2	mech-ohm
of suspension losses
Effective Moving Mass	Mms	167.5	gr
Half-space efficiency	Eff	2.13	%
BL Factor	BL	20.7	T.m
Equivalent Cas air load	Vas	181.8	liters
Voice-coil inductance	LelK	37	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.