品牌:AEC
发货:3天内
泉 州 不同凡响 电 子 科 技 有 限 公 司 | |
Quanzhou JinSheng Electron CO., Ltd | |
TEL:+86-0595-22356961-2 FAX:22356508 | |
Http://www.laba.co ADD:中国福建省泉州市浔美工业区海西电子信息产业育成基地 | |
型号 Model | QP28CP04-R+W |
尺寸 Dimension | Outer Diameter28mm Baffle Opening11.7mm Height Refer to drawing in details; |
阻抗 Nominal Impedance | 4 Ohm±15% At1000 HZ |
额定功率 Power Rating | 3.0 watt Maximum 3.5 Watt |
最低共振频率 Lowest Resonant requency | 772±20% HZ. |
灵敏度 Output Sound Pressure Level(S.P.L) | 77 ± 3db/1 Watt.1Meter.Average at800,1000,1200,1500HZ. |
频率范围 Frequency Rang | FO-20 KHZ ,Average SPL±10db |
失真率 Distortion | 3%Maxium At1000HZ 3.0 W |
极性 Polarity | Diaphragm shall move forewarg when Apply a Postive DC current the "+" or"Marked" Terminal |
寿命测试 Load Test | Bt Audio Singnal Generator At 3.46 Volts.total 48 hours and20~20KHZ Resonant Frequency |
异音测试 Abnormal Sound Test | Must be Normally tasted Bt 3.46 Volts Sinwave |
工作温度 Operation Temperature |
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储藏温度 Storage Temperature |
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