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Micro Speaker - K-18E08A-5W
Spec.
ITEM
SPECIFICATIONS
1
Type
Dynamic speaker
2
Dimension
External diameter 18 mm
3
Rated Input Power
0.8W (Long Time)
4
Max. Input Power
1.0W (Short Time)
5
Impedance
8 ohm ± 15% at 1500Hz.
6
Resonance Frequency (Fo)
1000Hz ± 20% at Fo, 1V
7
Sensitivity (S.P.L.)
87dB(0.1W/0.1m) ± 3 dB at AVE 1.0K 1.2K 1.5K 2.0KHz
95dB (0.8W / 0.1m) ± 3 dB
8
Frequency Range
Fo – 20KHz
9
Total Harmonics Distortion
Max 8 % at 1 KHz,0.8W.
10
Voice Coil
Diameter 8.2 mm
11
Magnet
Rare earth permanent (Nd-Fe-B) magnet Φ7.6 x 0.9mm
12
Weight
2.0g ± 0.3g
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 – 0.8W
15
Buzz, Rattle, etc.
Should not be audible at 2.53V 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℃
