产品名称：FDS-400064R8W1.0-C
尺寸：40mm
额定功率：1.0 W
阻抗：8±15% Ω
重量：18.2 g ± 0.1g
共振频率：300KHz
灵敏度/声压：92± 3dB
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01 |
Type |
Dynamic speaker |
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02 |
Dimension |
External diameter40 mm |
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03 |
Rated Input Power |
1.0 W |
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04 |
Impedance |
8 ohm±15% at 2KHz |
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05 |
Resonance Frequency (Fo) |
300K Hz±20% at Fo, 1V |
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06 |
Sensitivity (S.P.L.) |
92dB(0.5W/0.1m)±3 dB |
at AVE 0.8K,1.0K,1.2K,1.5K(Hz). |
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07 |
Frequency Range |
Fo–10KHz |
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08 |
Distortion |
Less than 10 % at 2000Hz1.0W |
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09 |
Max. Input Power |
Must be normal at 1.5W white noise for 1 minute. |
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10 |
Voice Coil |
Diameter14.4 mm |
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11 |
Magnet |
Rare earth permanent (Nd-Fe-B) magnetΦ13.5 x 1.5mm |
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12 |
Weight |
8.2g±0.1g |
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13 |
Appearance |
Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc. |
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14 |
Operation Test |
Must be normal at program source 1.0W |
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15 |
Buzz, Rattle, etc. |
Should not be audible at2.83V sine Wave between Fo to 10KHz |
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16 |
Polarity |
When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. |
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17 |
Terminal Strength |
Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection. |
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18 |
Load Test |
1.0W white noise is applied for 96 hours and satisfy the test listed on item 05,06,13,15 |
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19 |
High Temp. Test |
Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check |
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20 |
Low Temp. Test |
Keep 96 hours at -20℃±3℃ and leave 3 hours in normal temperature and then check |
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21 |
Humidity Test |
Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked. |
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22 |
Drop Test |
Drop the speakers contained in normal box onto the board 20mm thick 10 times from the height of 0.75m and then should satisfy the test listed on item 13 and 15 |
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P 3/4
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Measurement Condition |
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Test and measurement will be carried out under normal condition of temperature within 5℃to 35℃,relative humidity within 45% to 85% and air pressure 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 pressure remaining unchanged, To be enforced.
1.Microphone : B&K 4191 2.Standard Baffle :In IEC 268-5 Where 1350mm x 1650mm 3.Testing Distance : 0.1m 4.Zero Level : -dB 5.Mode : SPEAKER 6.Input Power : 0.5W 7.potentiometer Range : 50dB 8.Sweep Time : 0.5sec
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