Vienna Acoustics BERG ユーザーズマニュアル

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MAINTENANCE 
 
 
Your speaker cabinets can be cleaned 
periodically with a soft, damp cloth. Do not use 
any chemical  detergents. Should spots or stains 
appear, clear water can be used  to gently 
remove them.  
 
Should the bass drivers become dusty, it is safe 
to use a soft brush to clean the woofers.