Mini Speaker : AK-1508DA-20W

Mini Speaker : AK-1508DA-20W
Mini SpeakerMylar Speaker

 

 
Type Dynamic speaker
Dimension External diameter 15 mm
Rated Input Power 0.5 W
Impedance 8 ohm ± 15% at 1500Hz
Sensitivity (S.P.L.) 71dB(W/m) ± 3 dB at AVE 1.0K,1.2K,1.5K,2.0K(Hz).
87dB(0.5W/0.1m) ± 3 dB
Distortion Less than 10 % at 1500Hz 0.5W
Max. Input Power Must be normal at 0.8W white noise for 1 minute.
Voice Coil Diameter 7.2 mm
Magnet Rare earth permanent (Nd-Fe-B) magnet Φ6.5 x 0.8mm
Weight 0.9g ± 0.2g
Appearance Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.
Operation Test Must be normal at program source –0.5W
Polarity When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
Terminal Strength Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
Load Test 0.5 W white noise is applied for 96 hours and satisfy the test listed on item 05,06,13,15
High Temp. Test Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check
Low Temp. Test Keep 96 hours at -20℃±3℃ and leave 3 hours in normal temperature and then check
Humidity Test Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked.
Drop Test Drop the speakers contained in normal box onto the board 20mm thick 10 times from the height of 0.75m and then should satisfy the test listed on item 13 and 15

 

Introduction of Speaker