- 品牌:FD福鼎
- 型号:FDS-1813025R8W0.7
- 类型:动圈式
- 用途类型:其他
- 声道数:双声道立体声
- 磁回路:内磁式
- 振动板材料:复合盆
- 频率特性:中音
- 灵敏度:85dB
- 交流阻抗:8Ω
产品描述
产品名称:FDS-1813025R8W0.7
尺寸:长18±0.15 宽13±0.15 厚度 2.5±0.15
额定功率:0.7W
最大功率:1W
阻抗:8±15% Ω
重量:1.8g
共振频率:450±20%Hz in free air, 700±15% Hz
灵敏度/声压:85± 3dB
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1. 简介SCOPE
本产品适用于电脑,手机等产品
This specification covers our product of dynamic speaker unit for Computer, Mobile phone etc. use.
2.外观尺寸图 MECHANICAL LAYOUT & DIMENSIONS
见图 Shown in Fig.4
3.概要 GENERAL REQUIREMENTS
3.1 使用温度OPERATING TEMPERATURE RANGE: -30℃ ~ +70℃
3.2 储存温度Storage Temperature: -40℃ ~ +85℃
3.3 标准测试条件STANDARD TEST CONDITIONS:
温度Temperature: 17~25℃ 湿度Relative Humidity: 45%~80%(RH)
大气压力Air Pressure: 860~1060 MPa
3.4仲裁测试条件JUDGEMENT CONDITIONS:
温度Temperature: 20±2℃ 湿度Relative Humidity: 60%~70%(RH)
大气压力Air Pressure: 860~1060 MPa
4. 扬声器规格SPEAK ELECTRICAL AND ACOUSTICAL SPECIFICATION
4.1 声压级 Sound Press Level(SPL):85± 3 dB SPL /1.0V/10CM at 1000Hz
4.2阻抗 IMPEDANCE:8±15% Ω 1.0V at 2000Hz
4.3频响曲线FREQUENCY RESPONSE CURVE: As shown in fig(2)
4.4谐振频率RESonANCE FREQUENCY:450±20%Hz in free air, 700±15% Hz 0.5w/10cm testing in 1cc box
4.5额定功率 Rated Power:0.7W in 1CC box
4.6最大功率Max. Power: 1.0W must be normal white noise (1W) for 1 minute in 1.0cc box
4.7谐波失真DISTORTION :(Mounted in 1cc measure box and in a baffle) Test at 2Vrms/10cm fig(3)
4.8纯音检听AUDIBLE NOISE: Must be free audible noise 300Hz ~ 10KHz; 2.0Vrms, while testing in 1cc box.
4.9极性POLARITY: Right side is the “+”,As show in the picture
4.10重量Weight:Approx. 1.8g
5. 可靠性测试 RELIABILITY TESTS
蜂鸣器进行下列测试后SPL变化不允许超出±5dB,不允许有任何机械或者热损伤。
The sound pressure as specified shall neither deviate more than ±5dB from the initial value, nor any significant damage after any of following testing.
5.1高温试验 HIGH TEMPERATURE TEST
High temperature: +85±2℃
Duration: 16 hours
5.2低温试验LOW TEMPERATURE TEST
Low temperature : -40±2℃
Duration: 16 hours
5.3冷热冲击试验HEAT SHOCK TEST
High temperature: +85±2℃
Low temperature: -40±2℃
Changeover time: < 30 seconds
Duration: 1 hour
Cycle: 5
5.4高温高湿试验HUMIDITY TEST
Temperature: +40±2℃
Relative humidity: 90~95%
Duration: 16 hours
5.5高低温循环试验TEMPERATURE CYCLE TEST
Temperature: -40℃ +20℃ +85℃
Duration: 30 minutes 15 minutes 30 minutes
Temperature gradient: 1~3℃/min.
Cycle: 5
5.6跌落试验DROP TEST
Free drop a unit to the surface of 10mm thick board
Height: 100cm
Cycle: 6 (1 each plain) onto the concrete board
5.7可靠性试验Load test
White Noise.:20~20kHz Rated Power: 0.7W 24Hours in 1cc box