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.|
|Frequency Range||200 Hz - 8,000 Hz|
|Operating Temperature (TJ)||-20°C to 60°C|
|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)||0.019 lbs.|
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1 answers Who makes these earphones? Where are they made?