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1.Professional Karaoke Bass loudspeaker , which is ideal for Karaoke woofer application
2.competitive price
3. good quality
4. other sizes are also availlable upon requests
5.Details:
| General Specifications | ||
| Nominal Diameter | 130/5 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling1 | 40 | Watts |
| Program Power2 | 80 | Watts |
| Sensitivity(lw/lm)3 | 89 | dB |
| Frequency Range4 | 73-8.2k | Hz |
| Minimum Impedance(Zmin) | 6.5 | ohm |
| Voice Coil Diameter | 25/1 | mm/inch |
| Voice Coil Material | Copper Clad Aluminum | |
| Voice Coil Winding Depth | 13 | mm |
| Number of layers | 2 | |
| Magnet gap depth | 5 | mm |
| Cone Shape | Curved | |
| Surround Shape | Foam | |
| Basket | Pressed Steel | |
| Flux Density | ||
| Magnet Material/Mass | Ceramic/0.46 | kg |
| Thiele-Small parameters | |||
| Resonance frequency | Fs | 73.5 | Hz |
| DC resistance | Re | 6.4 | ohm |
| Mechanical factor | Qms | 3.08 | |
| Electrical factor | Qes | 0.59 | |
| Total factor | Qts | 0.49 | |
| Mechanicalcompliance | Cms | 0.72 | mm/N |
| Mechanical resistanceof suspension losses | Rms | 0.97 | mech-ohm |
| Effective Moving Mass | Mms | 6.49 | gr |
| Half-space efficiency | Eff | 0.45 | % |
| BL Factor | BL | 5.7 | T.m |
| Equivalent Cas air load | Vas | 7.0 | liters |
| Effective piston area | Sd | 0.0083 | m2 |
| Max.linear excursion | Xmax | 4.5 | mm |
| Voice-coil inductance | LelK | 0.37 | mH |
| Mounting Information | ||
| Overall Diameter | 132.5*148.3 | mm |
| Bolt Circle Diameter | 134 | mm |
| Bolt Hole Diameter | 4.9*6.8 | mm |
| Baffle Cutout Diameter | 116 | mm |
| Overall Depth | 56 | mm |
| Net Weight | 1 | kg |
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Karaoke loudspeaker:Woofer