L15/8574-15 Inch Good Subwoofer Professional Ferrite Speakers
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 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.
| 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 |
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