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-magnetdynamicloudspeaker | |
| 1.2 寸法 Dimensions | outer diameter 36 mm High 5.0 mm | |
| 1.3 輸入功率 Input power | Rated power 1.0W;Maximum power:2.0W | |
| 二、機械特性MechanicalSpeciality | ||
| 2.1外觀尺寸AppearanceDimensions | SeeProduct drawing | |
| 三、電氣特性ElectricalSpeciality | ||
| 3.1 標稱阻抗Nominal Impedance | 4Ω±15% At 1000 Hz test | |
| 3.2 直流阻抗 DC Impedance | 3.6Ω±10% | |
| 3.3 最低共振周波數(shù)Lowest Resonance Frequency | 600 Hz±20% | |
| 3.4 靈敏度 Output Sound Pressure Level | 84± 3 dB / 1 W/1m | |
| Average at 800.1000.1200.1500 Hz | ||
| 3.5 有效頻寬 Effective Frequency Band | F0～6KHz 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 2.0 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ReliableTest | ||
| 4.1連續(xù)負荷LoadTest | Use Sunlilab-Model-8121c white noise signal 1.0W 72 Hour After the test should be able to meet the requirements of section 2.0 There shall be no distinctdeformation 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 temperaturethe shelving of 1 hour test no abnormal adverse | |
| 4.6耐濕性HumidityTest | 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
