L12/44370 4Ohms Coaxial Professional Low Frequency Transducer
Product main features:
1.700W continuous program power handling
2.110dB sensitivity 1w/1m
3.800Hz-18k Hz frequency response range
4.44.4mm high temperature copper voice coil with Kapton former
5.The horn is connected to a HF driver with 1.6" exit throat
6.Hipower Audio is a professinal speaker factory with experience in the speaker field for 12 years. We make our own tranducers ,HF drivers and empty cabinets.
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 |
4 |
ohm |
| Nominal Power handling |
400 |
Watts |
| Program Power |
800 |
Watts |
| Sensitivity(lw/lm) |
100 |
dB |
| Frequency Range |
57-3500 |
Hz |
| Minimum Impedance(Zmin) |
4.36 |
ohm |
| Voice Coil Diameter |
75.5/3 |
mm/inch |
| Voice Coil Material |
Copper |
|
| Voice Coil Winding Depth |
16 |
mm |
| Number of layers |
2(inside/outside) |
|
| Magnet gap depth |
12 |
mm |
| Former material |
Kapton |
|
| Surround Shape |
M-roll |
|
| Basket |
Cast Aluminum |
|
| Flux Density |
1.2 |
T |
| Magnet Material/Mass |
Neodymium |
|
| Thiele-Small parameters |
| Resonance frequency |
Fs |
57 |
Hz |
| DC resistance |
Re |
3.6 |
ohm |
| Mechanical factor |
Qms |
5.24 |
|
| Electrical factor |
Qes |
0.26 |
|
| Total factor |
Qts |
0.24 |
|
| Mechanical compliance |
Cms |
0.17 |
mm/N |
Mechanical resistance
of suspension losses |
Rms |
3.12 |
mech-ohm |
| Effective Moving Mass |
Mms |
45.6 |
gr |
| Half-space efficiency |
Eff |
4.78 |
% |
| BL Factor |
BL |
15.07 |
T.m |
| Equivalent Cas air load |
Vas |
70 |
liters |
| Effective piston area |
Sd |
0.0543 |
m2 |
| Max.linear excursion |
Xmax |
5 |
mm |
| Voice-coil inductance |
LelK |
0.66 |
mH |
| Mounting Information |
| Overall Diameter |
315.5 |
mm |
| Bolt Circle Diameter |
299 |
mm |
| Bolt Hole Diameter |
7*8 |
mm |
| Baffle Cutout Diameter |
283 |
mm |
| Overall Depth |
156 |
mm |
){kind=link}
){kind=link}