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Vibration test: M. J! O: r) C2 b/ U3 o/ K
TRANSPORTABLE APPARATUS intended to be used for audio amplification of musical instruments,
* L1 z. i5 z, a3 r5 z, s0 _6 [PORTABLE APPARATUS and apparatus having a metal enclosure, are subjected to a vibration5 ~5 l) o% U3 d, g9 m
endurance conditioning by sweeping, as specified in IEC 60068-2-6.8 ~; d9 J, f; G
0 a @0 @+ ~9 @- M! k3 p; v/ C8 w
; Y2 Z4 R* k. f( }+ k* K2 L按照标准上说是指用来做为乐器的音频放大器的可运输式设备、便携式设备以及有金属外壳的设备应该要做震动测试。
5 _( A; g5 e; [* W5 ^9 O! E! k乐器的音频放大器不是很好理解,请哪位大侠指点一下? |
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