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Dynamic Receiver / Telephone Reciever  
 

 

Dynamic Receiver Telephone Receiver    

Telephone Receiver - SD-153B

Dynamic receiverReceiver
   
ITEMS.   SPECIFICATIONS
1 Type Dynamic receiver unit
2 Dimension. External diameter 28 mm
3 Sensitivity (S.P.L) 93 dB ±2 dB at 1kHz 60mV with IEC 318 coupler
4 Frequency Response. Refer to frequency response chart.
5 Impedance. 150 Ohm ±20% at 1KHz
6 Magnet Field Intensity. Axial – dB , Radial –dB at 1KHz
7 Max. Input Power. Must be normal at a white noise , 50mW for 1 minute.
8 Weight. 5g ±0.5g
9 Appearance. Should not exist any obstacle to be harmful to normal operation: damages, cracks, rusts, and distortions, etc.
10 Buzz, Rattle, Etc. Should not be audible at 1V sine wave between 300 Hz to 3.4 kHz.
11 Terminal Strength. Capable of withstanding 1 kg load for 15 sec without resulting in any damage or rejection.
12 Load Test. 1mW white noise (-filter) is applied for 72 hours satisfy the tests listed on item 03,04,09, and10

Data Sheet

Introduction of Receiver