Focal Polyglass 27V2 11″ Dual 4 Ohm Voice Coil
June 19th, 2010 by anonymous
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- Being a part of the Polyglass subwoofer lineup, it uses an 11′ Polyglass cone, basically a paper cone coated with glass microballs for improved stiffness. This material promises rigidity, lightness and internal damping, all desirable … The voice coil, with a diameter of 65mm, features an aluminium former wrapped in 4 layers of copper wire. The aluminium would help in resistance against deformation in extreme heat. And to top it all up, it’s a 4 ohm dual voice coil, …
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