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Product Name | Mini 16mm 0.5W 8ohm Speaker |
Type | Dynamic speaker |
Rated Voltage(square wave) | 0.5W / 0.7W |
Sensitivity(S.P.L.) | 88dB ±3dB at 0.5w/ 0.1m / 0.5.0.6.0.8.1.0×100Hz average |
Operating Temperature | - 30℃ ~ +65℃ |
Storage Temperature | - 40℃ ~ +65℃ |
Resonance Frequency | 800±20% Hz at 1.0V Sine wave |
Impedance | 8Ω±20% at 1KHz 2.0Vms Sine Wave |
Results of after test | Sensitivity difference shall be within (3dB) and should satisfy the test described under item 14 after each following test |
Appearance | Should not exist any obstacle to be harmful to normal operation : Damages \\ cracks \\ rusts and distortions etc. |
Polarity | When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. |
Load test | 0.5 W white noise is applied for 96 hours and satisfy the test listed on item 05,08,14. |
High temperature durability | After having been in a test chamber for 96 hours at the condition of +65℃ ±5℃ and then let 2 hours in a room |
Cold temperature durability | After having been in a test chamber for 96 hours at the condition of -40℃ ±5℃ and then let 2 hours in a room . |
Humidity durability | After having been in a test chamber for 96 hours at the condition of +40℃±5℃ 90%~96% RH and then let 2 hours in a room . |
Vibration durability | Frequency Range:10Hz ~ 500Hz Amplitude : 0.35mm or acceleration : 50m/s2 Duration : 2h per axis=10 cycles ; 3 axis |
Drop test | The speaker unit shall stand 10 random drops from a height of 1 meter to a concrete floor faced with 5m/m thick hard wood board and be nothing mechanical damage. |
Packing strength | As per packing condition, from height of 1 meter, the unit is to be dropped 1 time each in three planes on concrete floor. |