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DCRIPTION
常州FDS-3040070R8W1.0扬声器薄片喇叭发音福鼎
描述
01 | Te | Dynamic speaker | |
02 | Dimension | External diameter30*40 mm | |
03 | Rated Input Power | 1.0 W | |
04 | Impedance | 8 ohm±15% at 2KHz | |
05 | Ronance Frequency (Fo) | 400Hz±20% at Fo, 1V | |
06 | Sensitivity (S.P.L.) | 95dB(0.5W/0.1m)±3 dB | at E 0.8K,1.0K,1.2K,1.5K(Hz). |
07 | Frequency Range | Fo–20KHz | |
08 | Distortion | Ls than 10 % at 2000Hz2.0W | |
09 | Max. Input Power | Must be normal at1.5W white noise for 1 minute. | |
10 | Voice Coil | Diameter15.4 mm | |
11 | Magnet | Rare earth permanent (Nd-Fe-B) magnetΦ14.5 x 1.5mm | |
12 | Weight | 5g±0.1g | |
13 | Appearance | Should not exist any obstacle to be harmful to normal operation; damag, cracks, rusts and distortions, etc. | |
14 | Operation Tt | Must be normal at program source 1.0W | |
15 | Buzz, Rattle, etc. | Should not be audible at 2.83V sine We between Fo to 20KHz | |
16 | Polarity | When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. | |
17 | Terminal Strength | Capable of withstand 1kg load for 30 seconds without rulting in any damage or rejection. | |
18 | Load Tt | 1.0W white noise is applied for 96 hours and satisfy the tt listed on item 05,06,13,15 | |
19 | High Temp. Tt | Keep 96 hours at +70℃±3℃ and lee 3 hours in normal temperature and then check | |
20 | Low Temp. Tt | Keep 96 hours at -20℃±3℃ and lee 3 hours in normal temperature and then check | |
21 | Humidity Tt | Keep 96 hours at + 60℃±3℃ relative humidity 95% and lee 3 hours in normal temperature and then checked. | |
22 | Drop Tt | Drop the speakers contained in normal box onto the board 20mm thick 10 tim from the height of 0.75m and then should satisfy the tt listed on item 13 and 15 |
Measurement Condition |
Tt and measurement will be carried out under normal condition of temperature within 5℃to 35℃,relative humidity within 45% to 85% and air prsure of 860mbar to 1060mbar. Should uncertainly arise in data obtained from the above atmosphere, control of temperature At 20℃±2℃ and relative humidity within 60% and 70%, with air prsure remaining unchanged, To be enforced.
1.Microphone : B&K 4191 2.Standard Baffle :In IEC 268-5 Where 1350mm x 1650mm 3.Tting Distance : 0.1m 4.Zero Level : -dB 5.Mode : SPEAKER 6.Input Power :1.0W 7.potentiometer Range : 50dB 8.Sweep Time : 0.5sec
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Standard tt condiction of speaker |
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江阴市福鼎通讯器材有限公司成立于1994年，生产各类蜂鸣器，喇叭，咪头产品。公司在蜂鸣器及讯响器件的领域已有20多年的经验，拥有完整、科学的质量管理体系，以及的自动化设备。
公司年产蜂鸣器过5000万个，其中贴片蜂鸣器销量过2000万片，过一半的贴片蜂鸣器被广泛应用于高端可穿戴设备及移动消费类电子中，在同行业。
为了产品的质量和性，我们拥有的管理和强大的研发团队。目前公司有将近20000平方米的现代化厂房，300多名员工，技术开发人员20多人。我们已经和来自香港、台湾、日本、韩国、加拿大，美国以及其他的客户建立长期的合作关系。
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