A&B Components

Speaker manufacturer  A & B Components Co. Ltd.

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

 

Speaker box Enclosure Speaker

1 Type Dynamic speaker
2 Dimension External diameter 29.85 mm
3 Rated Input Power 0.15 W
4 Impedance 8 ohm ± 20%
5 Resonance Frequency (Fo) 1400 Hz ± 20% at Fo, 1V
6 Sensitivity (S.P.L.) 69dB(W/m) ± 3 dB at AVE 2.0K,2.5K,3.0K,3.5K(Hz).
    80dB(0.15W/0.1m) ± 3 dB
7 Frequency Range 500 – 20000Hz
8 Max. Input Power Must be normal at 0.20W white noise for 1 minute.
9 Voice Coil Diameter 13.5 mm
10 Magnet Rare earth permanent (Nd-Fe-B) magnet Φ 12.5
11 Weight 10g ± 0.5g
12 Appearance Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.
13 Operation Test Must be normal at program source –0.15W
14 Buzz, Rattle, etc. Should not be audible at 1.1V sine Wave between Fo to 20KHz
15 Polarity When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
16 Load Test 0.15 W white noise is applied for 96 hours and satisfy the test listed on item 05,06,12,14
17 High Temp. Test Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check
18 Low Temp. Test Keep 96 hours at -40℃±3℃ and leave 3 hours in normal temperature and then check
19 Humidity Test Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked.
20 Drop Test Drop the speakers contained in normal box onto the board 20mm thick 10 times from the height of 0.75m and then should satisfy the test listed on item 12 and 14

Speaker ResponseData Sheet


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