SDA CRS or CRS+

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  • xschop
    xschop Posts: 5,470
    billbillw wrote: »
    The Adcom 555 should also have good amounts of power, but beware that at their age, it may need some refreshing of worn capacitors or other parts.
    Also, F1 nut probably won't agree that anything other than Musical Fidelity is worth your time :D

    I thought he was only down for the Crown amp.
    Don't take experimental gene therapies from known eugenicists.
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  • billbillw
    billbillw Posts: 7,904
    xschop wrote: »
    billbillw wrote: »
    The Adcom 555 should also have good amounts of power, but beware that at their age, it may need some refreshing of worn capacitors or other parts.
    Also, F1 nut probably won't agree that anything other than Musical Fidelity is worth your time :D

    I thought he was only down for the Crown amp.

    I think I worded that wrong last night after a 3.5 hour Easter Vigil service...
    Musical Fidelity is the only thing worth his time?
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  • F1nut
    F1nut Posts: 52,051
    Also, F1 nut probably won't agree that anything other than Musical Fidelity is worth your time

    Far from it
    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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  • VSAT88
    VSAT88 Posts: 1,346
    edited April 24
    pitdogg2 wrote: »
    Check the drivers MW number to be sure.

    I have learned the "hard way' to check those Polk MW numbers..... All of em will fit and there are slipped magnets a many. Lots of folks have no clue that the MW can have different model numbers and specs and will throw in anything. They can be quite far from each other spec wise and fit the hole just perfectly. Hard to tell by just looking and not removing the driver. Also... No sticker on the back of the magnet? Look in the bottom of the cabinet down by the passive radiator (on some). It probably just fell off.

    Copied from this site:
    All the vintage 6.5" Polk drivers look the same, but their specs are very different. If you have MW6510s, they will work in place of the MW6503s. There is no substitute for the MW6511s though.


    1 Driver Type Q BL Compliance DC Resistance Fs

    3 MW 6501 1.47 5.96 N 3.25 E - 3N/M 7.75 Ohms 31 Hertz
    4 MW 6502 1.97 5.16 N 1.47 E - 3N/M 3.52 Ohms 44 Hertz
    5 MW 6503 1.82 5.24 N 3.55 E - 3N/M 6.54 Ohms 29 Hertz
    6 MW 6509 2.1 4.57 N 3.54 E - 3N/M 8.97 Ohms 30 Hertz
    7 MW 6510 1.39 6.32 N 3.41 E - 3N/M 6.57 Ohms 31 Hertz
    8 MW 6511 1.405 4.34 N 3.496 E - 3N/M 3.13 Ohms 29 Hertz
    9 MW 6512 1.905 4.99 N 1.588 E - 3N/M 3.466 Ohms 40 Hertz



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