L12 / 84215-12 "alto-falante de audio Pro Woofer de 350W
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 |
300/12 |
mm/inch |
| Rated Impedance |
8 |
ohm |
| Nominal Power handling |
350 |
Watts |
| Program Power |
700 |
Watts |
| Sensitivity(lw/lm) |
97 |
dB |
| Frequency Range |
42-2.7k |
Hz |
| Minimum Impedance(Zmin) |
6.7 |
ohm |
| Voice Coil Diameter |
75/3 |
mm/inch |
| Voice Coil Material |
Copper |
|
| Voice Coil Winding Depth |
17 |
mm |
| Number of layers |
2 |
(inside/outside) |
| Magnet gap depth |
10 |
mm |
| Surround Shape |
M-roll |
|
| Basket |
Cast Aluminum |
|
| Flux Density |
1.0 |
T |
| Magnet Material/Mass |
Ceramic |
|
| Thiele-Small parameters |
| Resonance frequency |
Fs |
42 |
Hz |
| DC resistance |
Re |
5.4 |
ohm |
| Mechanical factor |
Qms |
13.3 |
|
| Electrical factor |
Qes |
0.25 |
|
| Total factor |
Qts |
0.24 |
|
| Mechanical compliance |
Cms |
0.24 |
mm/N |
Mechanical resistance
of suspension losses |
Rms |
1.17 |
mech-ohm |
| Effective Moving Mass |
Mms |
58.6 |
gr |
| Half-space efficiency |
Eff |
2.94 |
% |
| BL Factor |
BL |
18.5 |
T.m |
| Equivalent Cas air load |
Vas |
99.8 |
liters |
| Effective piston area |
Sd |
0.0543 |
m2 |
| Max.linear excursion |
Xmax |
6 |
mm |
| Voice-coil inductance |
LelK |
1.1 |
mH |
| Mounting Information |
| Overall Diameter |
318 |
mm |
| Bolt Circle Diameter |
301 |
mm |
| Bolt Hole Diameter |
6.5x9 |
mm |
| Baffle Cutout Diameter |
287 |
mm |
| Overall Depth |
142 |
mm |
| Net Weight |
7 |
kg |
Audited Supplier 
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