Rectangular / Oval / Square Speaker  


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


Square Speaker - AK-181808CF-1
Square speakerrectangular speaker
Type Dynamic speaker
Dimension External diameter 18x18 mm
Rated Input Power 1.5W
Max. Input Power 2.0W
Impedance 8 ohm ± 15% at 2K Hz
Sensitivity (S.P.L.) 70dB(1.0W/0.1m) ± 3 dB at AVE 0.6K,0.8K,1.0K,1.2K Hz.
  91dB(1.5W/0.1m) ± 3 dB
Total Harmonics Distortion Max. 8% at 1 KHz ,1.5W.
Voice Coil Diameter 7.2 mm
Magnet Rare earth permanent (Ferrite) magnet Φ10 X 2.2 mm
Weight 6g ± 0.5g
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 1.5W
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.
Temperature Operating temperature: -20℃ to +60℃
  Storage temperature: -30℃ to +70℃


Introduction of Speaker