Although some result are put,set protective line, but simple work puts some HI-FI level to improve acoustic quality, reduce needless sound to catch, often can omit this part safeguard.

 
  • 尽管有的功放设有保护线路,但有的HI-FI级纯功放为了提高音质,减少不必要的音染,往往会省掉这部份保护措施。
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