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Speaker manufacturer  A & B Components Co. Ltd.

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10-20mm 21-36mm 36mm above Rectangular Cabinet

mini spekaermicro speaker

ITEM   SPECIFICATIONS
1 Type Dynamic speaker
2 Dimension External diameter 56.8 mm
3 Rated Input Power 0.25W
4 Max. Input Powe 0.5W
5 Impedance 8ohm ± 15% at 1K Hz.
6 Resonance Frequency (Fo) 330 Hz ± 20% at Fo, 1V
7 Sensitivity (S.P.L.) 86dB(W/m) ± 3 dB at AVE 0.8K,1.0K,1.2K,1.6K Hz
    99dB(0.25W/0.1m) ± 3 dB
8 Frequency Range Fo – 4K Hz
9 Total Harmonics Distortion Max 10 % at 1K Hz,0.25W.
10 Voice Coil Diameter 13.2 mm
11 Magnet Rare earth permanent (Nd-Fe-B) magnet Φ12.5 x 2.0 mm
12 Weight 30g ± 2g
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 0.25W
15 Buzz, Rattle, etc. Should not be audible at 1.41V 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℃
19 Humidity Operating Relative Humidity 75%
    Storage Relative Humidity 85%

Response Data Sheet


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