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Name:RC-BC27 8ohm 0.8W bone conduction transducer
Describe:
RC-BC27 8ohm 0.8W bone conduction transducer
Content:
RC-BC27 8ohm 0.8W bone conduction transducer
Customer Name |
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JS Part No |
RC-BC27 |
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Customer’s Model |
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Description |
8ohm 0.8W transducer |
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NO. |
Test Item |
Specifications |
Test condition |
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1 |
Impedance |
8.0 Ω±15% |
AT 1000 HZ |
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2 |
DCR |
7.8 Ω±15% |
AT 1000 HZ |
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3 |
Operation |
Must be normal |
Program source 0.4 W |
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4 |
Sweep test |
Must be normal |
Sine wave 1.8 V 255HZ-10KHZ |
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5 |
F0 |
255 HZ ±25% |
Without baffle |
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6 |
Sensitivity |
83±3dB average at 500,2k,4k,10kHZ |
At 1.8 V axis calculated From0 .01M |
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7 |
Rated freq.response |
F0-----20KHZ |
Sensitivity –10 dB |
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8 |
Power input |
Normal 0.4 W |
Maximum 0.8 W |
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9 |
Distortion |
5% MAX |
At 1KHZ 0.1M 0.4 W |
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10 |
Life test |
After test,meet Item 3,4&5 |
Pink noies 0.4 W 24 hrs 255HZ-20KHZ |
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11 |
Heat test |
After test,meet Item 3,4&5 |
72±2℃;20-50%AR.H.24hrs |
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12 |
Humidity test |
After test,meet Item 3,4&5 |
40±2℃;90-95%AR.H.24hrs |
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13 |
Cold test |
After test,meet Item 3,4&5 |
-25±3℃; -%AR.H.8hrs |
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14 |
Slide Shock Test |
Must be normal |
Coasts from 1meter long slide along 75 angles |
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15 |
Magnet |
■Ne-Fe-B □Hard Ferrite oz or g |
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16 |
Flux density |
Gauss |
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17 |
Net Weight |
2.2±15% g or 0.077±15% oz |
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18 |
Polarity |
When a positive volts d.c.is supplied from the speaker terminal marked(+)and a Negative volts to the other terminal the diaphram must move toward the front |
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19 |
Dimension |
D:10.8mm,H:6.6±0.2mm |