L12/84218-12 inch Pro Audio professional passive pa speaker
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 |
42-3.0k |
Hz |
Minimum Impedance(Zmin) |
7.1 |
ohm |
Voice Coil Diameter |
75/3 |
mm/inch |
Voice Coil Material |
Copper |
|
Voice Coil Winding Depth |
17 |
mm |
Number of layers |
2 |
|
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 |
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 |
Thiele-Small parameters |
Resonance frequency |
Fs |
42 |
Hz |
DC resistance |
Re |
5.4 |
ohm |
Mechanical factor |
Qms |
16.4 |
|
Electrical factor |
Qes |
0.22 |
|
Total factor |
Qts |
0.22 |
|
Mechanical compliance |
Cms |
0.23 |
mm/N |
Mechanical resistance
of suspension losses |
Rms |
1.02 |
mech-ohm |
Effective Moving Mass |
Mms |
63 |
gr |
Half-space efficiency |
Eff |
2.97 |
% |
BL Factor |
BL |
20.1 |
T.m |
Equivalent Cas air load |
Vas |
91.4 |
liters |
Effective piston area |
Sd |
0.0539 |
m2 |
Max.linear excursion |
Xmax |
6.5 |
mm |
Voice-coil inductance |
LelK |
1.1 |
mH |
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