Rocking Armature Transducer ET3950H15.5-1B-LF
1. Characteristics
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No.
Item
Specifiations
1
Rated Voltage
24Vp-p
2
Operating Votage range
1~30 Vp-p
3
Coil Resistance
10Ω±10%
4
AC Impedence at 1kHz
50Ω±25%
5
Sensitivity at 1kHz 1000mV
110dB
6
Minimum SPL at1m
90dB
7
Frequency range
300~3400Hz
8
Operating Temperature
-40~+85℃
9
Storage Temperature
-50~+95℃
10
Housing Material
Aluminum
11
Terminal Material
Sn Plated Copper
12
Weight
28g
13
Waterproof
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2. The Tested Method
3. Drawing
4. Reliability Test
4.1 High temperature test
Temperature test +95℃
Duration 96hrs
4.2 Low temperature test
Temperature test -50℃
Duration 96hrs
4.3 Temperature cycle test
Cycle 5
4.4 Humidity cycle test
Cycle 5
all these tests above should be measured after leaving normal temperaturefor 2hrs
4.5 Drop test
Height(to 10mm thickness wooden board) 70cm
Direction 3
Notice: All specification must be satisfied in this condition
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