12" Powered Professional Speaker PRO Audio Line Array Speaker System

• Category: Speaker
• Transmission Mode: Electrical
• Cone: Paper Cone
• Transducer Principle: Permanent Magnetic Speaker
• Style: Wireless
• Radiation Mode: Indirect Radiation Type
• Model NO.: HDW-1232
• Usage: Stage, Home, Theater
• WORD nChannels: 2.1Channel
• Brand: OEM and ODM Are Both Welcome.
• Sensitivity: 98dB
• Voice Coil Material: Copper
• Voice Coil Diameter: 3 Inch
• Net Weight: 7.2 Kg
• Magnet: Ferrite
• Surround Materil: Cloth-Edge
• Transport Package: by Export Carton
• Specification: 12 inch woofer
• Trademark: HD
• Origin: Guangzhou, China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

12 Inch Powered Professional Pa Subwoofer Speaker Pro Audio Line Array  Speaker System Professional Speaker

General Specifications
Nominal Diameter	300/12	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	350	Watts
Program Power	700	Watts
Sensitivity(lw/lm)	98	dB
Frequency Range	59.3-3.5K	Hz
Minimum Impedance(Zmin)	4.8	ohm
Voice Coil Diameter	75	mm/inch
Voice Coil Material	Copper
Number of layers
Magnet gap depth	10	mm
Surround Shape	M-roll
Basket	Cast Aluminium
Magnet	190
Mounting Information
Overall Diameter	313	mm
Bolt Circle Diameter	296	mm
Baffle Cutout Diameter	286	mm
Overall Depth	140	mm
Net Weight	7.2	kg
Shipping weight	7.8	kg
Shipping Box	320*320*150	mm

Thiele-Small Parameters
Resonance frequency	Fs	59.3	Hz
DC resistance	Re	4.8	ohm
Mechanical factor	Qms	9.81
Electrical factor	Qes	0.34
Total factor	Qts	0.33
Mechanical compliance	Cms	0.12	mm/N
Mechanical resistance	Rms	2.2	mech-ohm
of suspension losses
Effective Moving Mass	Mms	58.9	gr
Half-space efficiency	Eff	2.82	%
BL Factor	BL	17.5	T.m
Equivalent Cas air load	Vas	48.3	liters
Voice-coil inductance	LelK	0.7	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.