Square Mylar Speaker 4 ohm 2W For Computer

Model:
RB-2822004G-006R
Production Capacity:
500 000pcs/Month
Port:
Shenzhen, China
Manufacturer Certificate:
ISO14000&ISO9001
Customer Design Is Welcomed

Model : RB-2822004G-006R
Below Measuring condition under temperature : 25~35℃ R.H. 25 ~75%. According to standard GB/T9396-1996

Specifications:

  • Square Mylar Speaker 4 ohm 2W For Computer
  • 1. Type: Dynamic Speaker
  • 2. Dimension: Outline Dimension Shall Be As Shown In Fig(1).
  • 3. Weight: Approx 4.67 Grams.
  • 4. Magnet: Material: Nd-Fe-B
  • 5. Impedance: 4 ± 15% Ohm at 2000Hz. 1V
  • 6. Power Rating: Normal | 2.0W | Maximum | 2.5W
  • 7. FO: 850±20% Hz at 1.0V
  • 8. S.P.L.: 96±3dB/1.0Watt 0.1Meter. Average At1000,1200,1500,2000Hz.
    Measurement Method Shown In Fig(2).
  • 9. Frequency Range: FO~12,000Hz.Average SPL-10dB. Frequency Response Fig (3).
  • 10. Distortion: 10% Maximum At 2000Hz. 1.0W.
  • 11. Abnormal Sound Test: Must be Normal Tested by 2.83 Volts. Sine wave for50~5kHz
  • 12. Polarity: Diaphragm Shall Move Forward When Apply a Positive DC.
    Red “+” or“ Marked” Terminal
  • 13. Operating Temperature: -25 °C to +65 °C
  • 14. Storage Temperature: -25 °C to +65 °C
  • 15. Reliable Test: After any following test leave speakers at room temperature for 1 hour, SPL shall not deviate by ± 3 db from initial value
  • 15-1.Load Test: white noise for 96 hours at 2.83 W input power.
  • 15-2.High Temperature Test: +65±2 °C 96hours
  • 15-3.Low Temperature Test: -25±2 °C 96hours
  • 15-4.Humidity Test: +40±2 °C relative humidity 90~95%R.H 96hours
  • 15-5.Vibration Test: Frequency 30±15 Hz, Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)
  • 15-6.Temperature Cycle test: -25~ + 65 °C | 5 Cycles Temperature test.
  • 18. Measurement  Method Fig(2).
  • 16. Drawing(Fig1) Unit: mm  Tolerance:±0.3mm
  • 17. Speaker Construction
# Part Name Material QTY
1 Washer SPCC 1
2 Magnet Nd-Fe-B 1
3 Diaphragm SILK 1
4 Voice Coil COPPER 1
5 Terminal P.C.B 1
6 Yoke SPCC 1
7 Frame ABS 1
  • 19. Test baffle Diagram
  • 21. AC Impedance curve
  • 20. Frequency Resonance Fig (3).

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