21 inch Heavy Duty professional Loudspeaker Subwoofer 1200W at 8 Ohms
Product main features:
- high power handling capability,1200W RMS power
- 98dB sensitivity 1w/1m
- 32Hz-1500Hz frequency response range
- Heavy duty(280mm OD) ceramic magnet
- A B/L n excess of 28 T/m for dynamic voicing
- 125mm/5 inch 1 layers inside/1 layers outside voice coil with polyimide fiberglass former
- Optimum winding length for longer voice coil displacement and increased linear excursion
- Double spider for improved excursion control and linearity
- Double treated cone for water protection
- BL/Re maximized for high quality horn-loaded application
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 |
530/21 |
mm/inch |
| Rated Impedance |
8 |
ohm |
| Nominal Power handling |
1200 |
Watts |
| Program Power |
2400 |
Watts |
| Sensitivity(lw/lm) |
98 |
dB |
| Frequency Range |
32-1500 |
Hz |
| Minimum Impedance(Zmin) |
6.7 |
ohm |
| Voice Coil Diameter |
125/5 |
mm/inch |
| Voice Coil Material |
Copper |
|
| Voice Coil Winding Depth |
25 |
mm |
| Number of layers |
2(inside/outside) |
|
| Magnet gap depth |
12 |
mm |
| Surround Shape |
Tripple-roll |
|
| Basket |
Cast Aluminum |
|
| Flux Density |
1.1 |
T |
| Magnet Material/Mass |
Ceramic |
|
| Thiele-Small parameters |
| Resonance frequency |
Fs |
32 |
Hz |
| DC resistance |
Re |
5.6 |
ohm |
| Mechanical factor |
Qms |
11.5 |
|
| Electrical factor |
Qes |
0.35 |
|
| Total factor |
Qts |
0.34 |
|
| Mechanical compliance |
Cms |
0.09 |
mm/N |
Mechanical resistance
of suspension losses |
Rms |
4.68 |
mech-ohm |
| Effective Moving Mass |
Mms |
267 |
gr |
| Half-space efficiency |
Eff |
3.3 |
% |
| BL Factor |
BL |
28 |
T.m |
| Equivalent Cas air load |
Vas |
412 |
liters |
| Effective piston area |
Sd |
0.178 |
m2 |
| Max.linear excursion |
Xmax |
10 |
mm |
| Voice-coil inductance |
LelK |
1.6 |
mH |
| Mounting Information |
| Overall Diameter |
554*572 |
mm |
| Bolt Circle Diameter |
554 |
mm |
| Bolt Hole Diameter |
6.5 |
mm |
| Baffle Cutout Diameter |
496 |
mm |
| Overall Depth |
218 |
mm |
| Net Weight |
23Kg |
kg |
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