1. Characteristics
No. | Item | Specifications |
1 | Rated Voltage | 24Vp-p |
2 | Operating Voltage range | 1~30 Vp-p |
3 | Coil Resistance | 40Ω±10% |
4 | AC Impedance at 1kHz | 180Ω±25% |
5 | Sensitivity at 1kHz 1000mV | ≥110dB |
6 | Minimum SPL at 1m | 90dB |
7 | Frequency range | 300~3400Hz |
8 | Operating Temperature | -40~+85ºC |
9 | Storage Temperature | -50~+95ºC |
10 | Housing Material | Aluminum |
11 | Terminal Material | Sn Plated Copper |
12 | Weight | 28g |
13 | Waterproof |
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2. The Tested Method
BE39×15.5-180-YX 1KB·Al
3. Drawing
4. Reliability Test
4.1 High temperature test
Temperature test +95ºC
Duration 96hrs
4.2 Low temperature test
Temperature test -50ºC
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 
