Hot Sale PRO Audio 18 Inch Neodymium Subwoofer, Professional Loudspeaker

• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Optional Combination
• Speaker Material: Metal
• Model NO.: HDW-1832
• Application: Commercial, Stage
• Monitor: None
• THD: <0.005%
• Type: 18 Inch Subwoofer
• Magnet: Neodymium
• Voice Coil: 4 Inch
• Basket: Cast Aluminium
• Nominal Power Handling: 900 Watts
• Sensitivity: 98 dB
• Frequency Range: 36.5-2.3K Hz
• Cone: Paper Cone
• Surround Shape: W-Roll
• Voice Coil Material: Copper
• Transport Package: by Export Carton or as Your Requirement
• Specification: Net Weight: 9.56KG
• Trademark: OEM and ODM are both welcome.
• Origin: China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

Hot Sale 18  Inch Neodymium Magnet Subwoofer, Professional LoudSpeaker


 

General Specifications
Nominal Diameter	18	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	900	Watts
Program Power	1800	Watts
Sensitivity(lw/lm)	98	dB
Frequency Range	36.5-2.3K	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	219	mm
Net Weight	9.56	kg
Shipping weight	10.5	kg
Shipping Box	495*495*255	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.