Micro Speaker : AK-2008EB-16

Micro Speaker : AK-2008EB-16
Micro SpeakerMylar Speaker

 

 
Type Dynamic speaker
Dimension External diameter 20 mm
Rated Input Power 0.3 W
Impedance 8 ohm ± 15% at 1000Hz
Sensitivity (S.P.L.) 74dB(W/m) ± 3 dB at AVE 1.0K,1.2K,1.5K,1.8K(Hz).
90dB(0.3W/0.1m) ± 3 dB
Distortion Less than 10 % at 1500Hz 0.3 W
Max. Input Power Must be normal at 0.5W white noise for 1 minute.
Voice Coil Diameter 9 mm
Magnet Rare earth permanent (Nd-Fe-B) magnet Φ8.0 x 1.0mm
Weight 2.4g ± 0.3g
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 –0.3W
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 0.3 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.

 

Introduction of Speaker