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

 

Pin Speaker - AK-2308DA-0PB
 
Square speakerrectangular speaker
 
 
Type Dynamic speaker
Dimension External diameter 23 mm
Rated Input Power 0.08 W
Impedance 8 ohm ± 20%
Sensitivity (S.P.L.) 58dB(W/m) ± 3 dB at AVE 3.0K,3.5K,4.0K,4.5K(Hz).
  67dB(0.08W/0.1m) ± 3 dB
Max. Input Power Must be normal at 0.15W white noise for 1 minute.
Voice Coil Diameter 7.5 mm
Magnet Rare earth permanent (Nd-Fe-B) magnet Φ 6.5
Weight 3.2g ± 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 –0.08W
Polarity When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
Load Test 0.08 W white noise is applied for 96 hours and satisfy the test listed on item 05,06,12,14
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 -30℃±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