12 Inch Full Range Woofer Professional PRO Audio Sound Replacement Componet Woofer Speaker

• Type: Full Range Speaker
• Magnet: Ferrite
• Voice Coil: 3 Inch
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: HDW-1216
• Basket: Cast Aluminium
• Nominal Power Handling: 800watts
• Sensitivity: 98 dB
• Frequency Range: 54-3.5K Hz
• Transport Package: by Export Carton or as Your Requirement
• Specification: Net Weight: 6.45KG
• Trademark: OEM and ODM are both welcome
• Origin: China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month
• Package Size: 32.00cm * 32.00cm * 15.00cm
• Package Gross Weight: 7.100kg

Product Description

12 Inch Full Range Woofer Professional Sound Replacement Speaker for Outdoor Audio System

General Specifications
Nominal Diameter	300/12	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	400	Watts
Program Power	800	Watts
Sensitivity(lw/lm)	98	dB
Frequency Range	54-3.5K	Hz
Minimum Impedance(Zmin)	4.6	ohm
Voice Coil Diameter	75	mm/inch
Voice Coil Material	Aluminium
Number of layers	2
Magnet gap depth	10	mm
Surround Shape	M-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	137	mm
Net Weight	6.45	kg
Shipping weight	7.08	kg
Shipping Box	320*320*150	mm

Thiele-Small Parameters
Resonance frequency	Fs	54	Hz
DC resistance	Re	4.6	ohm
Mechanical factor	Qms	7.16
Electrical factor	Qes	0.42
Total factor	Qts	0.4
Mechanical compliance	Cms	0.18	mm/N
Mechanical resistance	Rms	2.3	mech-ohm
of suspension losses
Effective Moving Mass	Mms	47.3	gr
Half-space efficiency	Eff	2.63	%
BL Factor	BL	13.3	T.m
Equivalent Cas air load	Vas	71.6	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.