L12/4425A-12 Inch PRO Audio Speaker Woofer

• Noise: <102dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Passive
• Speaker Material: Metal
• Model NO.: L12/4425A
• Application: Stage
• Certification: ISO
• Monitor: None
• THD: <0.005%
• Transport Package: Export Carton
• Specification: 12 inch
• Trademark: Hipower
• Origin: China
• HS Code: 85182900
• Production Capacity: 3000PC/Month

Product Description

L12/4425A-12 inch Pro Audio Speaker woofer 
Introduction:

We are a PA speaker factory of more than 13 years in Panyu,Guangzhou,China,occupying 2000 square meters with 3 production lines.We make Pro audio speakers from small sizes upto 24 inch.

R&D capability:
In the R&D, Hipower's experienced engineers and technicians carry out researches on new materials.state-of-art components and advacned product designs with the help of an anechoic chamber,test instruments and simulation sofwares.

Markets:
Ever since 2003, we have been exporting to many countries, including southeast Asia, Europe, North Ameria and South America.

Speaker's Details:

General Specifications
Nominal Diameter	300mm/12 inch	mm/inch
Rated Impedance	4	ohm
Nominal Power handling	280	Watts
Program Power	560	Watts
Sensitivity(lw/lm)	89	dB
Frequency Range	27-600K	Hz
Voice Coil Diameter	65/2.5	mm/inch
Voice Coil Material	copper
Voice Coil Winding Depth	25	mm
Number of layers	4
Magnet gap depth	10	mm
Surround material	Rubber
Basket	aluminum
Flux Density	1.15	T
Magnet Material/Mass	ceramic

   

Thiele-Small parameters
Resonance frequency	Fs	26.8	Hz
DC resistance	Re	3.6	ohm
Mechanical factor	Qms	4.76
Electrical factor	Qes	0.32
Total factor	Qts	0.30
Mechanical compliance	Cms	0.24	mm/N
Mechanical resistance of suspension losses	Rms	5.17	mech-ohm
Effective Moving Mass	Mms	146	gr
Half-space efficiency	Eff	0.47	%
BL Factor	BL	16.8	T.m
Equivalent Cas air load	Vas	81	liters
Effective piston area	Sd	0.0491	m2
Max.linear excursion	Xmax	9	mm
Voice-coil inductance	LelK	2.8	mH

 

Mounting Information
Overall Diameter	322.5	mm
Bolt Circle Diameter	301.5	mm
Bolt Hole Diameter	6.5	mm
Baffle Cutout Diameter	289	mm
Overall Depth	158	mm
Net Weight	5.8	kg
Shipping weight	6.8	kg
Shipping Box	335*335*190	mm