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| Customization: | Available |
|---|---|
| Cone: | Plastic |
| Connection Type: | Wired |
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Item |
Specification |
Type |
3070-4Ω |
Dimension |
Shown As Mechanical Drawings |
Marking |
Shown As Mechanical Drawings |
| Mylar Thickness | Fabric concave edge |
| Magnet | 12.5×1.5Hmm |
| Voice Coil | PL13.28*8Ω |
| Nominal Impedance |
4Ω±15% At1.0KHz |
| Rated Input Power |
3W |
| Max. Input Power | 3.5W |
Mean Sound Pressure Level(S.P.L) |
88±3dB By 0.1W/0.1M at0.8,1.0,1.2,1.5KHz AVG. |
| Frequency Range | F0~20000Hz |
| Distortion | 5%Maximum At 4V Rated Input At 1.0KHz/Nom Power |
| Buzzes&Rattles | 3.5 V |
Lowest Resonanve Frequency(F0) |
750Hz±15% |
| Load Test | White Noise 0.2W,24Hrs |
| Net Weight | 9.85g |
| Operation Temperature | -20ºC~+50ºC |
| Storage Temperature | -25ºC~+60ºC |
| Polarity | Diaphragm Shall Move Forward When Applies A Positive DC. Current To The "+" Or Marked On Terminal |
| NO. | PARTAME | MATERIAL | QTY |
| 1 | Frame | SPCC | 1 |
| 2 | Magnet | Nd-Fe-B | 1 |
| 3 | Washer | SPCC | 1 |
| 4 | Terminal | FR-4 | 1 |
| 5 | Voice Coil | Cu | 1 |
| 6 | Diaphragm | PET | 1 |
| 7 | Gasket | PAPER | 1 |
| 8 | Wire | 26#* 2P-2.0 | 1 |
| ITEM | METHOD OF TEST | STANDARD |
Dry Heat Test |
+55ºC±2ºC,96h After being placed in a chamber with +55±2ºC for 96 hours and then being placed in natural condition for 2 hours, sounder shall be measured. |
All specification must be satisfied after the test. |
Cold Test |
-25ºC±2ºC,96h, After being placed in a chamber with -25±2ºC for 96 hours and then being placed in natural condition for 2 hours, sounder shall be measured. |
All specification must be satisfied after the test. |
| Humidity Test |
After being placed in a chamber with, 95%R.H. at +40ºC±5ºC for 96 hours and then being placed in natural condition for 2 hours, sounder shall be measured. (Attached FIG.1) |
All specification must be satisfied after the test. |
| Temperature Cycle Test |
After being placed in a chamber at -25ºC±5ºC for 30 minutes, sounder shall be placed at room temperature(+20ºC). After 15 minutes at this temperature, sounder shall be placed in a chamber at +55ºC±5ºC. After 30 minutes at this temperature, sounder shall be returned to room temperature(+20ºC) for 15 minutes. After 5 above cycles, sounder shall be measured after being placed in natural condition for 2 hours. (Attached FIG.2) |
All specification must be satisfied after the test . |
Vibration Test |
Sounder shall be measured after being applied vibration of amplitude of 1.5mm with 10-55Hz band of vibration frequency . Make this text for directions of X,Y,Z for 2Hrs each (Total 6Hrs)Sweep time is 1 minute. (Attached FIG.3) |
All specification must be satisfied after the test. |
Drop Test |
The speaker inside the packing must be OK after text. Direction of drop:1 corner,3 edges and 6 faces. Height:1 meter. |
All specification must be satisfied after the test. . |
Load Test |
Noise: White noise(EIA filter) Power: 2W Duration: 96hours |
All specification must be satisfied after the test. |
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