Hot Sale 12 Inch PA Professional Woofer Loudspeaker for PRO Audio System

• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Mono
• Speaker Material: Metal
• Model NO.: HDW-1234
• Application: Commercial, Home, Stage, Theater
• Monitor: None
• THD: <0.005%
• Sensitivity: 96.5 dB
• Voice Coil Material: Ccaw
• Program Power: 600 Watts
• Transport Package: by Export Carton
• Specification: 12 inch woofer
• Trademark: HD
• Origin: Guangzhou, China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

 Hot Sale 12 Inch PA Professional Woofer Speaker for PRO Audio System

General Specifications
Nominal Diameter	300/12	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	300	Watts
Program Power	600	Watts
Sensitivity(lw/lm)	96.5	dB
Frequency Range	43-2.6K	Hz
Minimum Impedance(Zmin)	5.6	ohm
Voice Coil Diameter	75	mm/inch
Voice Coil Material	Copper Clad Aluminium
Number of layers	2
Magnet gap depth	8	mm
Surround Shape	W-roll
Basket	Cast Aluminium
Magnet	190 Ferrite
Mounting Information
Overall Diameter	313	mm
Bolt Circle Diameter	295	mm
Baffle Cutout Diameter	282	mm
Overall Depth	138	mm
Net Weight	7.1	kg
Shipping weight	7.66	kg
Shipping Box	320*320*150	mm

Thiele-Small Parameters
Resonance frequency	Fs	43.9	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	6.56
Electrical factor	Qes	0.29
Total factor	Qts	0.27
Mechanical compliance	Cms	0.25	mm/N
Mechanical resistance	Rms	2.2	mech-ohm
of suspension losses
Effective Moving Mass	Mms	52.2	gr
Half-space efficiency	Eff	2.84	%
BL Factor	BL	16.8	T.m
Equivalent Cas air load	Vas	99.2	liters
Voice-coil inductance	LelK	0.6	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.