A&B Components

Speaker manufacturer  A & B Components Co. Ltd.

Home  >> 21-36mm > AS-2791T08-B0T


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

mini spekaermicro speaker

1 Type Dynamic speaker
2 Dimension External diameter 27 mm
3 Rated Input Power 0.25 W
4 Impedance 8 ohm ± 15% at 1500Hz
5 Resonance Frequency (Fo) 900 Hz ± 20% at Fo, 1V
6 Sensitivity (S.P.L.) 77dB(W/m) ± 3 dB at AVE 1.5K,1.8K,2.0K,2.5K(Hz).
    90dB(0.25W/0.1m) ± 3 dB
7 Frequency Range Fo - 5.3KHz
8 Total Harmonics Distortion Less than 8 % at 1 KHz ,1.0V
9 Max. Input Power Must be normal at 0.5W white noise for 1 minute.
10 Voice Coil Diameter 6.5mm
11 Magnet Rare earth permanent (Ferrite) magnet Φ16.0 x Φ14.0 x 3.2 mm
12 Weight 10g ± 1g
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℃

Response Data Sheet

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