aatc.tw  
Micro / Mini Speaker Manufacturer  
 

 

Round (10-28mm) Round (29mm above) Rectangular Dual

 

Speaker : AK-5008BB-4

 

Mini SpeakerMylar Speaker

 

 
Type Dynamic speaker
Dimension External diameter 50 mm
Rated Input Power 0.25 W
Impedance 8 ohm ± 15% at 1500Hz
Sensitivity (S.P.L.) 83dB(W/m) ± 3 dB at AVE 0.6K,0.8K,1.0K,1.2K(Hz).
  96dB(0.25W/0.1m) ± 3 dB
Distortion Less than 10 % at 1500Hz 0.25W
Max. Input Power Must be normal at 0.4W white noise for 1 minute.
Voice Coil Diameter 13.5 mm
Magnet Rare earth permanent (Nd-Fe-B) magnet Φ12.5 x 1.5mm
Weight 13.2g ± 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 –0.25W
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 0.2 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