Neodymium motor structure on tweeters?

felipe
felipe Posts: 423
in Technical/Setup
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: Denon AVR X3600h, Polk Signature S50 Fronts w/ S30 Center and S15 Rears, LG UBK90 4K Player, TCL 6-Series 65”4k TV

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Comments

  • txcoastal1
    txcoastal1 Posts: 13,281
    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

    erat interfectorem cesar et **** dictatorem dicere a
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  • felipe
    felipe Posts: 423
    Isn't Neo more costly? Don't they get hotter than ferrite?
    My Setup: Denon AVR X3600h, Polk Signature S50 Fronts w/ S30 Center and S15 Rears, LG UBK90 4K Player, TCL 6-Series 65”4k TV

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  • felipe
    felipe Posts: 423
    For the tweeters used in the TSi series, is there any ferrofluid used??
    My Setup: Denon AVR X3600h, Polk Signature S50 Fronts w/ S30 Center and S15 Rears, LG UBK90 4K Player, TCL 6-Series 65”4k TV

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  • 20hz
    20hz Posts: 636
    neo (rare earth) cost more but are more effeciant and are self shielding .
    as txcoastal1 they cost less to ship so $$ talks
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  • mhardy6647
    mhardy6647 Posts: 33,791
    edited January 2018
    ...
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