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a 70 volt mind teaser
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<blockquote data-quote="John Roberts" data-source="post: 56055" data-attributes="member: 126"><p>Re: a 70 volt mind teaser</p><p></p><p>You have several options...depending on how loud you want your rocks to be. </p><p></p><p>Wiring the six speakers in series for 48 ohms, will draw just over 100w from the 70v output, this is around 16W per rock. Alternately you could drive the rocks from a low voltage tap, but then you will need to play series parallel games to get reasonable loudness, not to mention more complicated wiring. </p><p></p><p>Wiring the rocks like christmas tree lights means they will behave the same if one fails open... they all turn into real rocks. </p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="John Roberts, post: 56055, member: 126"] Re: a 70 volt mind teaser You have several options...depending on how loud you want your rocks to be. Wiring the six speakers in series for 48 ohms, will draw just over 100w from the 70v output, this is around 16W per rock. Alternately you could drive the rocks from a low voltage tap, but then you will need to play series parallel games to get reasonable loudness, not to mention more complicated wiring. Wiring the rocks like christmas tree lights means they will behave the same if one fails open... they all turn into real rocks. JR [/QUOTE]
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