Neodymium motor structure on tweeters?

I noticed that most of the Polk home speakers use neodymium motors on the tweeter. Why is this?? Why not use ferrite motor structures anymore?
My Setup: Onkyo TX-NR787, Polk Signature S60 Fronts w/ S30 Center and S20 Rears and S15 Heights, Sony 4K Player, Sony 65”4k TV

My Folks Setup: Pioneer AVR, Klipsch RP-150M, Sony 3D blue ray player, VIZIO 55" TV.

Comments

  • txcoastal1txcoastal1 Posts: 9,970
    Smaller and lighter
    2-channel: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures
    Desktop rig: LSi7, Polk 110sub, Dayens Ampino amp, W4S DAC/pre, Sonos, JRiver
    Gear on standby: Melody 101 tube pre, Unison Research Simply Italy Integrated
    Gone to new homes: (Matt Polk's)Threshold Stasis SA12e monoblocks, Pass XA30.5 amp, Usher MD2 speakers, Dynaudio C4 platinum speakers, Modwright LS100 (voltz), Simaudio 780D DAC
  • felipefelipe Posts: 421
    Isn't Neo more costly? Don't they get hotter than ferrite?
    My Setup: Onkyo TX-NR787, Polk Signature S60 Fronts w/ S30 Center and S20 Rears and S15 Heights, Sony 4K Player, Sony 65”4k TV

    My Folks Setup: Pioneer AVR, Klipsch RP-150M, Sony 3D blue ray player, VIZIO 55" TV.
  • felipefelipe Posts: 421
    For the tweeters used in the TSi series, is there any ferrofluid used??
    My Setup: Onkyo TX-NR787, Polk Signature S60 Fronts w/ S30 Center and S20 Rears and S15 Heights, Sony 4K Player, Sony 65”4k TV

    My Folks Setup: Pioneer AVR, Klipsch RP-150M, Sony 3D blue ray player, VIZIO 55" TV.
  • 20hz20hz Posts: 643
    neo (rare earth) cost more but are more effeciant and are self shielding .
    as txcoastal1 they cost less to ship so $$ talks
  • mhardy6647mhardy6647 Posts: 19,605
    edited January 14
    ...
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