Earphone Dynamic Drivers 12mm Mylar Diaphragm Speaker

Model:
RB-E12032F-010R
Production Capacity:
500 000pcs/Month
Port:
Shenzhen, China
Manufacturer Certificate:
ISO14000&ISO9001
Customer Design Is Welcomed

Model : RB-E12032F-010R
Below Measuring condition under temperature : 25~35℃ R.H. 25 ~75%. According to standard GB/T9396-1996

Specifications:

Earphone Dynamic Drivers 12mm Mylar Diaphragm Speaker

  • 1. Type: Dynamic Speaker
  • 2. Dimension: Outline Dimension Shall Be As Shown In Fig(1).
  • 3. Weight: Approx 0.9 Grams.
  • 4. Magnet: Material: Nd-Fe-B
  • 5. Impedance: 32 ± 15% Ohm
  • 6. Power Rating: Normal | 3m W | Maximum | 5m W
  • 7. S.P.L.: 109±3dB/1m Watt 0.01Meter. At 1000Hz.
    Measurement Method Shown In Fig(2).
  • 8. Frequency Range: 20~20,000Hz.. Frequency Response Fig (3).
  • 9. Distortion: 5% Maximum At 1000Hz. 1.0mW.
  • 10. Abnormal Sound Test: Must be Normal Tested by 0.31 Volts. Sine wave for20~2kHz
  • 11. Polarity: Diaphragm Shall Move Forward When Apply a Positive DC.
    Red “+” or“ Marked” Terminal
  • 12. Operating Temperature: -25 °C to +65 °C
  • 13. Storage Temperature: -25 °C to +65 °C
  • 14. Reliable Test: After any following test leave speakers at room temperature for 1 hour, SPL shall not deviate by ± 3 db from initial value
  • 14-1.Load Test: white noise for 96 hours at 3m W input power.
  • 14-2.High Temperature Test: +65±2 °C 96hours
  • 14-3.Low Temperature Test: -25±2 °C 96hours
  • 14-4.Humidity Test: +40±2 °C relative humidity 90~95%R.H 96hours
  • 14-5.Vibration Test: Frequency 30±15 Hz, Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)
  • 14-6.Temperature Cycle test: -25~ + 65 °C | 5 Cycles Temperature test.
  • 17. Measurement  Method Fig(2).
  • 15. Drawing(Fig1)   Unit: mm  Tolerance:±0.3mm
  • 16. Measurement Method Fig(2).
# Part Name Material QTY
1 Terminal P.C.B 1
2 Frame SPCC 1
3 Magnet Nd-Fe-B 1
4 Voice Coil COPPER 1
5 Diaphragm MYLAR 1
6 Washer SPCC 1
7 Cover SPCC 1
8 Sheel Mesh AA 1
9 Cloth PAPER 1
  • 19. Frequency  Resonance   Fig (3).
  • 18. Test baffle Diagram

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