Just curious on this one. Someone's selling a pair of 4312's they've modded the woofer as shown. I presume they've added large alnico magnets or non magnetic ferrous material to the back? Anyone seen this, does it do anything?
Just curious on this one. Someone's selling a pair of 4312's they've modded the woofer as shown. I presume they've added large alnico magnets or non magnetic ferrous material to the back? Anyone seen this, does it do anything?
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