Earphone - Crystal, 3.5mm, High Impedance
High impedance crystal earphone - very sensitive and works great with crystal radios. Has 3 a foot cord and miniature (3.5 mm) plug.
| Bottom Diameter | 0.39 in. | |
| Capacitance | 15,000 pf | |
| Connector | 3.5 mm | |
| Depth | 1.21 in. | |
| Frequency Range | 200 Hz - 8,000 Hz | |
| Impedance | 20 kΩ | |
| Operating Temperature (TJ) | -20°C to 60°C | |
| Resistance | 20 MΩ | |
| Sensitivity | 57 dB @1KHz | |
| Top Diameter | 0.91 in. | |
| Wire Length | 42 in. |
| Packaging Dimensions | 2.5 in. × 1.8 in. × 1.5 in. | |
| Weight (Packaging) | 0.022 lbs. |
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Questions and Answers
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1 answers
Who makes these earphones?
Where are they made?
Asked by Anonymous on July 17th, 2020.
July 17th, 2020
Staff Member
These are made in Taiwan, but the manufacturer is considered proprietary.
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Good back in the day customer service and products. I am looking forward to many projects in the future!