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

 

Micro Speaker : ADK-1208RA-1W3

Mini SpeakerMylar Speaker

 
  Speaker Response
ITEM   SPECIFICATIONS
1 Type Dynamic speaker
2 Dimension External diameter 12 mm
3 Rated Input Power 0.5W
4 Max. Input Power 0.7W
5 Impedance 8 ohm ± 15% at 1500Hz.
6 Resonance Frequency (Fo) 900Hz ± 20% at Fo, 1V
7 Sensitivity (S.P.L.) 84dB (0.1W / 0.1m) ± 3 dBat AVE 1.2K 1.5K 2.0K 2.5KHz.
    88dB (0.5W / 0.1m) ± 3 dB
8 Frequency Range Fo – 20KHz
9 Total Harmonics Distortion Max 8 % at 1 KHz,0.5W.
10 Voice Coil Diameter 6.5 mm
11 Magnet Rare earth permanent (Nd-Fe-B) magnet Φ5.9 x 1.0 mm
12 Weight 1.0g ± 5%g
13 Appearance Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.
14 Operation Test Must be normal at program source – 0.5W
15 Buzz, Rattle, etc. Should not be audible at 2.0V sine Wave between Fo to 20KHz
16 Polarity When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
17 Terminal Strength Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
18 Temperature Operating temperature: -20℃ to +60℃
    Storage temperature: -30℃ to +70℃

Data Sheet

Introduction of Speaker