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Name：RC-BC80B Bone conduction transducer 8Ω0.4W
Describe：
Bone conduction transducer 8Ω0.4W
Content：
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Customer Name |
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Part No |
RC-BC80B |
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Customer’s Model |
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Description |
Bone conduction transducer 8Ω0.4W |
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NO. |
Test Item |
Specifications |
Test condition |
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1 |
Impedance |
8 Ω±15% |
AT 800 HZ |
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2 |
DCR |
8 Ω±15% |
AT 800 HZ |
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3 |
Operation |
Must be normal |
Program source 0.4W |
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4 |
Sweep test |
Must be normal |
Sine wave 1.5 V 180HZ-3.5KHZ |
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5 |
F0 |
140HZ ±20% |
Without baffle |
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6 |
Sensitivity |
86±3dB average at 500,2k,4k,10kHZ |
At 0.3 V axis calculated From 0.01MM |
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7 |
Rated freq.response |
Fo-----15KHZ |
Sensitivity –10 dB |
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8 |
Power input |
Normal 0.4 W |
Maximum 0.5 W |
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9 |
Distortion |
5% MAX |
At 1KHZ 1M 0.4W |
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10 |
Life test |
After test,meet Item 3,4&5 |
Pink noies 0.4W 24 hrs 140HZ-15KHZ |
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11 |
Heat test |
After test,meet Item 3,4&5 |
72±2℃;20-50%AR.H.48hrs |
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12 |
Humidity test |
After test,meet Item 3,4&5 |
40±2℃;90-95%AR.H.48hrs |
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13 |
Cold test |
After test,meet Item 3,4&5 |
-25±3℃; -%AR.H.16hrs |
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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 |
3.5g or 0.123 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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