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                        H30M08-04
                        H30M08-04
                        产品概述:
                        详细介绍
                        制 品 规 格 书 SPEAKER SPECIFICATION

                        1.适用范围Applicable Scope(this kind of specification is applied in multi-media)

                        1.1 类型 Type Permanent-magnet dynamic loudspeaker
                        1.2 寸法 Dimensions outer diameter 30 mm High 4.4 mm
                        1.3 输入功率 Input power Rated power 1.0W;Maximum power:2.0W

                        2.机械特性Mechanical Speciality

                        2.1 外观尺寸 Appearance Dimensions See Product drawing

                        3.电气特性Electrical Speciality

                        3.1 标称阻抗 Nominal Impedance 8Ω±15% At 1000 Hz test
                        3.2 直流阻抗 DC Impedance 7.6Ω±10%
                        3.3 最低共振周波数 Lowest Resonance Frequency 730 Hz±20%
                        3.4 灵敏度 Output Sound Pressure Level

                        86± 3 dB / 1 W/1m .Average at 800.1000.1200.1500 Hz

                        3.5 有效频宽 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 纯音检测 Pure tone Test Must be normal at sine wave 2.83 V at 50HZ ~ 3KHz,
                        3.8 极性 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.
                        4.信赖性Reliable Test
                        4.1 连续负荷 Load Test Use Sunlilab-Model-8121c white noise signal 1.0W 72 Hour After the test should be able to meet the requirements of section 2.83 There shall be no distinct deformation in appearance.
                        4.2 高温保存 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 低温保存 Low-temperature preservation Temperature of -25±2℃ for 96 hour, at room temperature theshelving of 1 hour the test no abnormal adverse
                        4.4高温动作 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低温动作 Low-temperature operation Temperature of -20℃ work 16 hours at room temperature the shelving of 1 hour test no abnormal adverse
                        4.6耐湿性 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温/湿度循环试验 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 振动测试 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 跌落测试 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。
                        5.磁束密度 Flux Density
                        5.1 磁束密度 Flux Density / Gauss
                        5.2 磁 铁 Magnet
                        Nd-Fe-B: 
                        Ferrite:
                        5.3 重 量 Weight / G

                        6.频 响 曲 线 图  Frequency response curve
                        H30M08-04

                        7.产 品 外 形 图  Ouline example
                        H30M08-04

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