1.product outline | |
1-1 scope | this specification is a typical speaker unit for telephone hand set |
1-2 dimensions | as shown in fig (1) |
1-3 net weight | approx. 1.2 grams |
1-4 operating temperature | -30℃ to +70℃ |
1-5 storage temperature | -40℃ to +85℃ |
2.electr0acoustic characteristics | |
2-1 test set up | measuring conditions and procedures shown in fig(2) |
2-2 impedance | 8ω±15% ohm ( at 1 khz, 0.9vrms ) |
2-3 sound pressure level | 88db ±3db spl /1w/10mm at 800、1000、1200、1500hz .ave |
2-4 frequency response | 800±20%hz |
2-5 input power (nom./max.) | 1.3w/1.5w |
2-6 audible noise | must be free audible noise (buzzes and rattles) (200 ~ 10khz frequency range ,input level up to 3.46vrms) |
2-7 distortion | less than 10% at 1khz 1w |
本产品的加工定制是是,品牌是精鸿准,型号是1511铝膜弹片,种类是电动式(动圈式),用途是手机喇叭山寨手机喇叭,外形是矩形,组成方式是组合式,振膜材料是非纸质,磁路形式是内磁式,频率特性是全频带(全音域),额定功率是0.5(W),额定阻抗是8(Ω),频率响应是0.5-50(kHz),灵敏度是88(dB/W)