Best Powerful 15′′ Speaker Woofer L15/8574 Professional Audio Subwoofer Speaker 550watt

• Customization: Available
• Noise: 98dB
• Activity: Passive
• Model NO.: L15/8574 subwoofer
• Operation Mode: Button Control
• Speaker System: Optional Combination
• Speaker Material: Wood
• Application: Stage Speaker
• Transport Package: Carton Box
• Specification: 15 inch
• Trademark: as customer requirement
• Origin: China
• Production Capacity: 2000PCS/Month

Product Description

Product Description

15" Pro Audio Speaker For Pa System, 550W Subwoofer Speaker
Product main features:
- 550Watts RMS power
-97dB Sensitivity 1w/1m
- 41Hz-2.2K Hz Frequency range
- 100mm inside/outside copper voice coil with polyimide fiberglass former 
- High flexibly M-roll cloth surround with deep corrugation for extended Xmax
- Reinforced Conex spider to improve the linearity control
- Dual-force air ventilation and 16mm back plate for minimum power compression
- Double treated cone for water protection
-- terrific subwoofer of compass bass relex


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 Capacity:
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	380/15	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	550	Watts
Program Power	1100	Watts
Sensitivity(lw/lm)	97	dB
Frequency Range	41-2.2K	Hz
Minimum Impedance(Zmin)	6.7	ohm
Voice Coil Diameter	100/4	mm/inch
Voice Coil Material	Copper
Voice Coil Winding Depth	23	mm
Number of layers	2(Inside/Outside)
Magnet gap depth	12	mm
Cone Shape	Curved
Surround Shape	M-roll
Basket	Cast Aluminum
Flux Density	1.1	T
Magnet Material/Mass	Ceramic/3.65	kg

 

Thiele-Small parameters
Resonance frequency	Fs	41	Hz
DC resistance	Re	5.4	ohm
Mechanical factor	Qms	11
Electrical factor	Qes	0.31
Total factor	Qts	0.30
Mechanical compliance	Cms	0.12	mm/N
Mechanical resistance of suspension losses	Rms	2.94	mech-ohm
Effective Moving Mass	Mms	128	gr
Half-space efficiency	Eff	2.6	%
BL Factor	BL	23.7	T.m
Equivalent Cas air load	Vas	126	liters
Effective piston area	Sd	0.0871	m2
Max.linear excursion	Xmax	8	mm
Voice-coil inductance	LelK	1.95	mH

 

Mounting Information
Overall Diameter	393.5	mm
Bolt Circle Diameter	373	mm
Bolt Hole Diameter	6.5	mm
Baffle Cutout Diameter	356.5	mm
Overall Depth	172	mm
Net Weight	11.9	kg