12 Inch Audio System Speaker Parts PA Jb Speaker Woofer

• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Mono
• Speaker Material: Metal
• Model NO.: HDW-12073
• Application: Commercial, Home, Stage, Theater, Karaoke
• Monitor: None
• THD: <0.005%
• Sensitivity: 97 dB
• Voice Coil Material: Ccaw
• Voice Coil Diameter: 75 mm / 3 Inch
• Frequency Range: 48.3-2.4 K Hz
• Net Weight: 7.05 Kg
• 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 Audio System Speaker Parts  Pa   Speaker woofer 

General Specifications
Nominal Diameter	300/12	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	300	Watts
Program Power	600	Watts
Sensitivity(lw/lm)	97	dB
Frequency Range	48.3-2.4K	Hz
Minimum Impedance(Zmin)	5.6	ohm
Voice Coil Diameter	75	mm/inch
Voice Coil Material	copper
Number of layers	2
Magnet gap depth	10	mm
Surround Shape	W-roll
Basket	Cast Aluminium
Magnet	190
Mounting Information
Overall Diameter	323	mm
Bolt Circle Diameter	304	mm
Baffle Cutout Diameter	290	mm
Overall Depth	153	mm
Net Weight	7.05	kg
Shipping weight	7.6	kg
Shipping Box	320*320*165	mm

Thiele-Small Parameters
Resonance frequency	Fs	78	Hz
DC resistance	Re	5.6	ohm
Mechanical factor	Qms	3.34
Electrical factor	Qes	0.44
Total factor	Qts	0.39
Mechanical compliance	Cms	0.18	mm/N
Mechanical resistance	Rms	5.3	mech-ohm
of suspension losses
Effective Moving Mass	Mms	59.9	gr
Half-space efficiency	Eff	1.76	%
BL Factor	BL	15.2	T.m
Equivalent Cas air load	Vas	71.5	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.