Description
L03/8330-3 "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 | Ceramic | |
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 | 92.5 | mm |
Bolt Hole Diameter | 4-5*6 | mm |
Baffle Cutout Diameter | 72 | mm |
Overall Depth | 53 | mm |
Net Weight | | kg |