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DR-3112LH(受話器,帶助聽功能)

Explain:
1.Scope
This specification applies Dynamic Receiver.
2.Part No.
DR-3112LH(with hearing aid)
3.Size
φ31 x 11.6mm Shown in Fig.2
Electrical Characteristics
4.1 Test Set Up
Shown in Fig.1
4.2 Impedance
300ohm ± 20% (at 1KHz 60mV sine wave)
4.3 Sensitivity
93 ± 2dB S.P.L. (at 1KHz 60mV sine wave)
4.4 Magnetic field strength
4.5 Distortion
< 5% (300…3400Hz)
4.
4.6 Frequency Response
The frequency response relative to the 1KHz response shall Lie between the
upper and lower limits show in Fig.1.
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