18 Inch Loudpeaker, 4 Inch Copper Voice Coil, Subwoofer Neodymium Magnet

• Customization: Available
• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Model NO.: HDW-18313
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Passive
• Speaker Material: Metal
• Application: Commercial, Stage
• Monitor: None
• THD: <0.005%
• Type: 18 Inch Subwoofer
• Magnet: Neodymium
• Voice Coil: 4 Inch
• Basket: Cast Aluminium
• Nominal Power Handling: 1100 Watts
• Sensitivity: 98 dB
• Frequency Range: 35-1.6K Hz
• Transport Package: by Export Carton or as Your Requirement
• Specification: Net Weight: 8.95KG
• Trademark: HD
• Origin: Guangzhou, China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

18 Inch loudpeaker ,4 Inch Copper Voice Coil,  Subwoofer Neodymium magnet


  

General Specifications
Nominal Diameter	18	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	800	Watts
Program Power	1600	Watts
Sensitivity(lw/lm)	98	dB
Frequency Range	35.5-1.6K	Hz
Minimum Impedance(Zmin)	5.6	ohm
Voice Coil Diameter	100/4	mm/inch
Voice Coil Material	copper
Number of layers	2
Surround Shape	W-roll
Basket	Cast Aluminium
Magnet	Neodymium
Mounting Information
Overall Diameter	461	mm
Bolt Circle Diameter	444	mm
Baffle Cutout Diameter	422	mm
Overall Depth	212	mm
Net Weight	8.95	kg
Shipping weight	10.1	kg
Shipping Box	490*490*250	mm

 

Thiele-Small Parameters
Resonance frequency	Fs	35.5	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	4.99
Electrical factor	Qes	0.41
Total factor	Qts	0.38
Mechanical compliance	Cms	0.06	mm/N
Mechanical resistance	Rms	15.6	mech-ohm
of suspension losses
Effective Moving Mass	Mms	349.2	gr
Half-space efficiency	Eff	1.21	%
BL Factor	BL	32.6	T.m
Equivalent Cas air load	Vas	115.2	liters
Voice-coil inductance	LelK	1.2	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.