产品描述(语音喇叭)
产品名称: FDS-500120R8W1.5
尺寸:50mm
额定功率:1.5 W
MAX功率:2.0 W
阻抗:8±20% ?
重量:16.0g ± 8%g
共振频率:450KHz
灵敏度/声压:92± 3 dB
谐振频率:450±20%Hz
频率范围:6kHz
1.Characteristics
1.1 Electrical and Mechanical Characteristics
ITEM
SPECIFICATIONS
01
Type
Dynamic speaker
02
Dimension
External diameter 50 mm
03
Rated Input Power
1.5 W (Long Time)
04
Max. Input Power
2.0 W for 1 minute
05
Impedance
8 ohm ± 20% at 2000Hz.
06
Resonance Frequency (Fo)
450 Hz ± 20% at Fo, 1V
07
Sensitivity (S.P.L.)
92dB (0.1W / 0.1m) ± 3 dB
atAVE0.6K,1.0K,1.2K,,15K Hz.
08
Frequency Range
Fo – 6KHz
09
Total Harmonics Distortion
Less than 5% at 1KHz input Rated Power
10
Magnet
Rare earth permanent (Nd-Fe-B) magnet φ12.5x2 mm
11
Weight
16.0g ± 8% g
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 1.5 W
14
Buzz, Rattle, etc.
Should not be audible at 3.46V sine Wave between Fo to 6 KHz
15
Polarity
When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.
16
Terminal Strength
Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.
17
Temperature
Operating temperature: -20℃ to +60℃
Storage temperature: -30℃ to +70℃
18
1.2. MEASURING METHOD
Test Condition
A.STANDARD
Temperature : 15 ~ 35℃
Relative humidity : 25% ~ 85%,
Atmospheric pressure : 860mbar to 1060mbar.
Atmospheric pressure : 860mbar to 1060mbar.