I’m guessing there’s no way to open the BB, would be interesting to see what makes it tick.
A hammer should do very nicely. 
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The BB can be opened, but a sticker warns that doing so voids the warranty…
I believe that to be true but I think the only way it can be broken is by opening it.
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Gonna try a couple here in our media room and see how well they work…looking forward to it!
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Two used BBs for sale on Audiogon. $1295…
https://www.audiogon.com/listings/lisbc6f5-synergistic-research-black-box-trade-in-units-in-very-good-condition-room-treatments
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Says they are trade ins. BB carbon upgrade more than likely
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So they probably demoed the new carbon units and they sounded better so now these are for sale.