please come in

I think the speaker only use a low power dc amplifier that nothing concern with the ac cycle.
All AC will be rectify to dc that drive the signal according to the input.

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回複:please come in -yxma2007- 給 yxma2007 發送悄悄話 (64 bytes) () 04/10/2009 postreply 19:10:53

I think so -vtcc- 給 vtcc 發送悄悄話 (117 bytes) () 04/11/2009 postreply 11:20:30

No problem! -likebook- 給 likebook 發送悄悄話 (144 bytes) () 04/10/2009 postreply 19:51:40

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