Changzhou, Jiangsu, China
Business Type: Manufacturer/Factory
Item | Specifications | ||
1-1 | Dimension | 15×15×4.0t | |
1-2 | Rated Input Power | 0.5W | |
1-3 | Max Input Power | 0.8W(for 1 minute) | |
1-4 | Rated Impedance | 8±15% Ω /1KHz/1V | |
1-5 | Resonance Frequency(f0) | 850±15% Hz/1V | |
1-6 | Sound Pressure Level | 88±3 dB at 1.0KHz ,1.2KHZ,1.5KHZ,2.0KHZ sine wave ,0.5W/0.1m baffle board (IEC) | |
1-7 | Frequency Range | f0HZ ~ 20KHz | |
1-8 | Total Harmonic Distortion | 10%MAX. at 2KHz, 0.5W | |
1-9 | Polarity | When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphragm shall move forward | |
1-10 | Operation Test | Must be normal at sine wave and program source 0.5W. | |
1-11 | Buzz, Rattle, etc. | Should not be audible at 2.0V sine wave between (f0 Hz ~ 5kHz) | |
1-12 | Weight | 1.5 g | |
1-13 | Voice Coil Diameter | φ7.4 mm | |
1-14 | Magnet (SmCo) | φ6.8×1.1t mm | |
1-15 | Appearance | Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc. | |
1-16 | Storage temperature | -20ºC~+70ºC | |
1-17 | Operation temperature | -20ºC~+70ºC | |