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SP-7140 Datasheet(PDF) 2 Page - Soberton Inc. |
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SP-7140 Datasheet(HTML) 2 Page - Soberton Inc. |
2 / 6 page MODEL: SP-7140 PRODUCT: Dynamic Speaker EDITION: C/2017 RELIABILITY TESTS After these tests , the change of S.P.L will be within ±3dB HIGH TEMPERATURE TEST high temperature +70oC±3oC duration 96 hours (leave 6 hours in normal temperature and then check) LOW TEMPERATURE TEST low temperature -30oC±3oC duration 96 hours (leave 6 hours in normal temperature and then check) HUMIDITY TEST temperature +30oC±3oC relative humidity 92%~95% duration 96 hours (leave 3 hours in normal temperature and then check) VIBRATION 10Hz ~55Hz ~10Hz sine-wave sweep 15 minutes 5G(constant) X, Y, Z 3 directions, 2 hours each, total 6 hours TEMP./HUMIDITY CYCLE The part will be subjected to 5 cycles. One cycle shall be 6 hours and consist of: DROP TEST Drop speakers contained in normal box on to the board 40mm thick 10 times from the height of 75cm LOAD TEST Rated Power Pink noise is applied for 24 hours at room temp. LEAD WIRE PULL STRENGTH The pull force will be applied to double lead wire: Horizontal 3.0N (0.306kg) for 30 seconds Vertical 2.0N (0.204kg) for 30 seconds PAGE 2/6 |
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