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styrofoam

  1. simplyvolkol

    Where did Poly-Planar go? And how did they go?

    For people who don't know them, they are a 1970's speaker manufacturer, all their speakers were made of polystyrene moved in a planar orientation (hence the name). Just like a conventional speaker, the polystyrene plane is moved with a voice coil but without any spiders to stabilize the "cone"...
    • simplyvolkol
    • Thread
    • polystyrene speaker speaker brand styrofoam
    • Replies: 11
    • Forum: Speakers
  2. BES D-60

    BES D-60

    Just a straight-on shot of a BES D-60 speaker. This is a three-way design. BES speakers used conventional magnetic speaker motors driving sections specially shaped styrofoam. In this speaker, the woofer and midrange are as described above, with the tweeter being a piezo. Can't play too loud...
    • House de Kris
    • Media item
    • bes d-60 panel speaker styrofoam
    • Comments: 1
    • Category: Member's Component
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