High Quality 15 Inch Professional Woofer Low Frequency Transducer for Stage

• Customization: Available
• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Model NO.: HDW-15395
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Mono
• Speaker Material: Metal
• Application: Commercial, Live Show, Stage
• Monitor: None
• THD: <0.005%
• Type: 15 Inch Woofer
• Magnet: 190 Ferrite
• Voice Coil: 3 Inch/75 mm
• Basket: Cast Aluminium
• Sensitivity: 98 dB
• Frequency Range: 51-4K Hz
• Transport Package: by Export Carton or as Your Requirement
• Specification: Net Weight: 6.8KG
• Trademark: OEM and ODM are both welcome
• Origin: China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

High Quality 15 Inch professional woofer Low Frequency Transducer for Stage

Product Main Features :  
<sub>-15 inch woofer speakers indoor/outdoor speaker 
- 900W continuous program power capacity
- 98 dB sensitivity 1W/1M
- 51hz-4khz Frequency response 
- 3inch/75mm copper voice coil</sub> 

General Specifications
Nominal Diameter	380/15	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	450	Watts
Program Power	900	Watts
Sensitivity(lw/lm)	98	dB
Frequency Range	51-4K	Hz
Minimum Impedance(Zmin)	5.6	ohm
Voice Coil Diameter	8	mm/inch
Voice Coil Material	CCAW
Number of layers	2
Magnet gap depth	8	mm
Surround Shape	M-rool
Basket	Cast Aluminium
Magnet	190
Mounting Information
Overall Diameter	381	mm
Bolt Circle Diameter	388	mm
Baffle Cutout Diameter	357	mm
Overall Depth	165	mm
Net Weight	6.8	kg
Shipping weight	7.7	kg
Shipping Box	400*400*180	mm

Thiele-Small Parameters
Resonance frequency	Fs	51.1	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	8.96
Electrical factor	Qes	0.56
Total factor	Qts	0.53
Mechanical compliance	Cms	0.12	mm/N
Mechanical resistance	Rms	2.8	mech-ohm
of suspension losses
Effective Moving Mass	Mms	78.1	gr
Half-space efficiency	Eff	3.08	%
BL Factor	BL	15.8	T.m
Equivalent Cas air load	Vas	135	liters
Voice-coil inductance	LelK	0.9	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.