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Speaker manufacturer  A & B Components Co. Ltd.

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

 

Speaker box Enclosure Speaker

ITEM   SPECIFICATIONS
1 Type Dynamic Speaker + Sound Box
2 Dimension External diameter 45 x 35 x 20 mm
3 Rated Input Power 2.0 W
4 Max. Input Power 4.0 W
5 Impedance 4 ohm ± 15% at 1K Hz
6 Resonance Frequency (Fo) 400Hz ± 20% at Fo, 1V
7 Sensitivity (S.P.L.) 73dB(1.0W / 1m) ± 3 dB at AVE 0.8K,1.0K,1.2K,1.6K Hz.
8 Frequency Range Fo – 12KHz
9 Total Harmonics Distortion Max 8 % at 1 KHz,1.0W.
10 Voice Coil Diameter 20 mm
11 Magnet Rare earth permanent (Nd-Fe-B) magnet Φ19 x 3mm
12 Weight 27g ± 5g
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 2.0W
15 Buzz, Rattle, etc. Should not be audible at 2.83V 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℃

Speaker ResponseData Sheet


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