L03/8334-3 "Pro Audio PA Speaker Alto-falante,full range 20W
Product main features:
- 40Watts RMS power
- 87dB Sensitivity 1w/1m
-135Hz-16k Hz frequency response range
- 19mm/0.75inch voice coil
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 Capacity:
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 |
77/3 |
mm/inch |
| Rated Impedance |
8 |
ohm |
| Nominal Power handling |
20 |
Watts |
| Program Power |
40 |
Watts |
| Sensitivity(lw/lm) |
87 |
dB |
| Frequency Range |
135-16K |
Hz |
| Minimum Impedance(Zmin) |
6.67 |
ohm |
| Voice Coil Diameter |
19/0.75 |
mm/inch |
| Voice Coil Material |
Copper Clad Aluminum |
|
| Voice Coil Winding Depth |
6 |
mm |
| Number of layers |
2 |
|
| Magnet gap depth |
4 |
mm |
| Cone Shape |
Curved |
|
| Surround Shape |
Rubber |
|
| Basket |
Pressed steel |
|
| |
|
|
| Magnet Material/Mass |
NdFeB |
|
| Thiele-Small parameters |
| Resonance frequency |
Fs |
135 |
Hz |
| DC resistance |
Re |
6.2 |
ohm |
| Mechanical factor |
Qms |
5.35 |
|
| Electrical factor |
Qes |
0.85 |
|
| Total factor |
Qts |
0.78 |
|
| Mechanical compliance |
Cms |
0.45 |
mm/N |
Mechanical resistance
of suspension losses |
Rms |
0.81 |
mech-ohm |
| Effective Moving Mass |
Mms |
2.3 |
gr |
| Half-space efficiency |
Eff |
0.25 |
% |
| BL Factor |
BL |
3.5 |
T.m |
| Equivalent Cas air load |
Vas |
1.3 |
liters |
| Effective piston area |
Sd |
0.0034 |
m2 |
| Max.linear excursion |
Xmax |
2.5 |
mm |
| Voice-coil inductance |
LelK |
0.05 |
mH |
| Mounting Information |
| Overall Diameter |
80 |
mm |
| Bolt Circle Diameter |
91.5 |
mm |
| Bolt Hole Diameter |
4.5*5.5 |
mm |
| Baffle Cutout Diameter |
72 |
mm |
| Overall Depth |
45 |
mm |
| Net Weight |
|
kg |
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