Bocinas Prosound Compact 8 ohms stage Speakers of 12 Inch
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 |
400 |
Watts |
Program Power |
800 |
Watts |
Sensitivity(lw/lm) |
94.6 |
dB |
Frequency Range |
45-1.5k |
Hz |
Minimum Impedance(Zmin) |
7 |
ohm |
Voice Coil Diameter |
100/4 |
mm/inch |
Voice Coil Material |
Copper |
|
Voice Coil Winding Depth |
23.5 |
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 |
|
Mounting Information |
Overall Diameter |
312 |
mm |
Bolt Circle Diameter |
295 |
mm |
Bolt Hole Diameter |
6.5 |
mm |
Baffle Cutout Diameter |
278 |
mm |
Overall Depth |
142 |
mm |
Net Weight |
4.3 |
kg |
Thiele-Small parameters |
Resonance frequency |
Fs |
45 |
Hz |
DC resistance |
Re |
5.4 |
ohm |
Mechanical factor |
Qms |
10.3 |
|
Electrical factor |
Qes |
0.27 |
|
Total factor |
Qts |
0.27 |
|
Mechanical compliance |
Cms |
0.13 |
mm/N |
Mechanical resistance
of suspension losses |
Rms |
2.55 |
mech-ohm |
Effective Moving Mass |
Mms |
91.6 |
gr |
Half-space efficiency |
Eff |
1.8 |
% |
BL Factor |
BL |
22.8 |
T.m |
Equivalent Cas air load |
Vas |
53.4 |
liters |
Effective piston area |
Sd |
0.0535 |
m2 |
Max.linear excursion |
Xmax |
6.5 |
mm |
Voice-coil inductance |
LelK |
1.1 |
mH |