制 品 規(guī) 格 書 | ||||
SPEAKER SPECIFICATION | ||||
| 一、適用范圍Applicable Scope（this kind of specification is applied in multi-media） | ||||
| 1.1 類型 Type | Permanent-magnet dynamic loudspeaker | |||
| 1.2 寸法 Dimensions | outer diameter 28.4*40 mm High 11.5 mm | |||
| 1.3 輸入功率 Input power | Rated power 2.0W;Maximum power:3.0W | |||
| 二、機械特性Mechanical Speciality | ||||
| 2.1 外觀尺寸Appearance imensions | See Product drawing | |||
| 三、電氣特性Electrical Speciality | ||||
| 3.1 標稱阻抗Nominal Impedance | 8Ω±15% At 1000 Hz test | |||
| 3.2 直流阻抗DC Impedance | 7.6Ω±10% | |||
| 3.3 最低共振周波數(shù) Lowest Resonance Frequency | 850 Hz±20% | |||
| 3.4 靈敏度Output Sound Pressure Level | 78± 3 dB / 1 W/1m | |||
Average at 1000.1200.1500.2000 Hz | ||||
| 3.5 有效頻寬Effective Frequency Band | F0～20KHz Average SPL-10 dB | |||
| 3.6 失真率Distortion | <10% Maxium at 1000 HZ 0.1W/0.1M | |||
| 3.7 純音檢測Pure tone Test | Must be normal at sine wave 4.0 V at 300HZ ~ 3KHz, | |||
| 3.8 極性Polarity | When a positive current is supplied from the speaker the terminal marked (＋) and a negative to the other terminal the diaphragm must move toward the front． | |||
| 四、信賴性Reliable Test | ||||
| 4.1 連續(xù)負荷Load Test | Use Sunlilab-Model-8121c white noise signal 2.0W 72 Hour After the test should be able to meet the requirements of section 4.0 There shall be no distinct deformation in appearance. | |||
| 4.2高溫保存High-temperature preservation | Temperature of 65±2℃ humidity of 20~30% for 96 hour at room temperature the shelving of 1 hour the test no abnormal adverse | |||
| 4.3低溫保存Low-temperature preservation | Temperature of -25±2℃ for 96 hour, at room temperature theshelving of 1 hour the test no abnormal adverse | |||
| 4.4高溫動作High-temperature operation | Temperature of 50℃ humidity of 20~30% work 16 hours at room temperature the shelving of 1 hour test no abnormal adverse | |||
| 4.5 低溫動作 Low-temperature operation | Temperature of -20℃ work 16 hours at room temperature the shelving of 1 hour test no abnormal adverse | |||
| 4.6 耐濕性 Humidity Test | Temperature of 40±2℃ humidity of 90~95% for 96 hour at room temperature the shelving of 1 hour the test no abnormal adverse | |||
| 4.7 溫/濕度循環(huán)試驗 Compositetemperature/humi dity cyclic test | Refer to JIS C 60068-2-38 The loudspeaker shall be subjected to 10 continuous cycles the loud speaker shall be stored at standard atmospheric conditions for 6 H for recovery After the test should be able to meet the requirements of section 3.7 There shall be no distinct deformation in appearance. | |||
| 4.8 振動測試Vibration test | To be no interference in operation after vibration 10HZ~55HZ for 1 minute full amplitude 2mm for 8hours at X,Y,Z, three axises After the test should be able to meet the requirements of section 3.7 There shall be no distinct deformation in appearance. | |||
| 4.9 跌落測試Drop test | Packaging The speaker from height 60 CM Down to concrete floors 。in five directions Trial one cycles After the test should be able to meet the requirements of section 3.7。 | |||
| 五、磁束密度 Flux Density | ||||
| 5.1磁束密度Flux Density | / Gauss | |||
| 5.2磁 鐵Magnet | Nd-Fe-B: Ferrite: | |||
| 5.3重 量 Weight | / G | |||
六、頻 響 曲 線 圖Frequency response curve
七、產(chǎn) 品 外 形 圖 Ouline example
