Non-Polorized Electrolytic vis Film capazitors in Polk Crossovers

transmaster
transmaster Posts: 428
edited June 2013 in Speakers
This isn't a question about which sounds better but why vintage speakers, Polk included, used NPE's and not film cap's.was it price, best available at the time, a design consideration. There has been and continue to be serious flame wars over which is better I just want to know why they where used to begin with.
Radio Station W7ITC
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  • F1nut
    F1nut Posts: 51,674
    edited June 2013
    For "A" holes to appear as if by magic mention Speaker wire and interconnects, For a jihad say
    "zip-cord". But for Utter annihilation mention psychoacoustics.

    There's the reason you'll not get an answer here.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • CoolJazz
    CoolJazz Posts: 572
    edited June 2013
    Someone else may be able to explain it better or different, but here is how I understand NP's.

    They are made up with a convential electrolytic turned each direction inside that single package. So one is turned correctly for the waveform while it's above zero and then the other when it's below zero. However, it's that zero area where there is trouble, as it's not possible for them to be perfect as they go to zero.

    Where the NP becomes attractive is the size and cost for the capacity storage required.

    CJ
    A so called science type proudly says... "I do realize that I would fool myself all the time, about listening conclusions and many other observations, if I did listen before buying. That’s why I don’t, I bought all of my current gear based on technical parameters alone, such as specs and measurements."

    More amazing Internet Science Pink Panther wisdom..."My DAC has since been upgraded from Mark Levinson to Topping."
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  • transmaster
    transmaster Posts: 428
    edited June 2013
    And to think I took F1Nuts advice on recapping the crossovers on my Monitor 10B's..........goodby.
    Radio Station W7ITC
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  • zingo
    zingo Posts: 11,258
    edited June 2013
    transmaster wrote: »
    And to think I took F1Nuts advice on recapping the crossovers on my Monitor 10B's..........goodby.

    You took that advice wisely; there are few here that know more than him.
    Jake
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