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  1. #1

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    Default Somebody school me on vintage MW's

    So there is a craigslist post for a pair of 5JRs



    His ad states that ONE of the MW's is a replacement. To me, neither of them look like a vintage Polk MW so I emailed him thinking maybe he just doesn't know.

    I just wanted to let you know that neither of those woofers are Polks, not one of them. Might have been done by a previous owner? Good luck with your sale!
    He emails me back



    I just wanted to let you know that you are wrong
    Now, I have never seen a vintage Polk woofer that is not shiny and tacky. What vintage Polk MW didn't have that sheen to it?
    |Fronts - Peerless RTA-12B | Center(s) - Peerless Monitor 5 | Rears - Peerless Monitor 4 |
    |AVR - Yamaha Aventage RX-A1020 |
    |TV - Philips 46" Smart LED | Gaming - Xbox One - Xbox 360 | Headphones - Philips Fidelio X1 |

  2. #2

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    What vintage Polk MW didn't have that sheen to it?
    The ones you're looking at....lol
    '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 turd by the clean end."

  3. #3

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    Quote Originally Posted by F1nut View Post
    The ones you're looking at....lol
    They look right to you? Or you're being sarcastic? I can't tell lol
    |Fronts - Peerless RTA-12B | Center(s) - Peerless Monitor 5 | Rears - Peerless Monitor 4 |
    |AVR - Yamaha Aventage RX-A1020 |
    |TV - Philips 46" Smart LED | Gaming - Xbox One - Xbox 360 | Headphones - Philips Fidelio X1 |

  4. #4

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    For reference.

    |Fronts - Peerless RTA-12B | Center(s) - Peerless Monitor 5 | Rears - Peerless Monitor 4 |
    |AVR - Yamaha Aventage RX-A1020 |
    |TV - Philips 46" Smart LED | Gaming - Xbox One - Xbox 360 | Headphones - Philips Fidelio X1 |

  5. #5

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    I'm joking and being serious at the same time. Some of the the MW's were not doped.
    '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 turd by the clean end."

  6. #6

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    Quote Originally Posted by F1nut View Post
    I'm joking and being serious at the same time. Some of the the MW's were not doped.
    Interesting. I wonder how many exist, this is the first one I've ever seen.
    |Fronts - Peerless RTA-12B | Center(s) - Peerless Monitor 5 | Rears - Peerless Monitor 4 |
    |AVR - Yamaha Aventage RX-A1020 |
    |TV - Philips 46" Smart LED | Gaming - Xbox One - Xbox 360 | Headphones - Philips Fidelio X1 |

  7. #7

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    If memory serves, they were only used in the original Monitor series, never in the SDA's.
    '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 turd by the clean end."

  8. #8

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    Is the other woofer made by Polk or...?
    Display: Sony 42" LCD
    Sources: Harman Kardon DVD-27,
    Panasonic DMP-BDT110 blu ray player
    AVR: Sony STR-DA2400ES
    Amp: Kenwood KM-894 x 2(fronts and surrounds)
    Fronts: Polk SDA2
    Center: Polk Monitor 7C
    Surrounds: Polk Monitor 7C
    Subwoofer: SVS PB10-ISD

  9. #9

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    Another difference is there are more than 4 screws holding them to the front baffle. I would have thought they were non polk replacements as well.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA A-L transformer

  10. #10

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    The dust caps are different as well.

  11. #11

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    Weird. It almost looks like someone re-coned it and attached a gasket to match the other one. A 1986 MW6502 is shiny and sticky, for sure.
    Polk SDA SRS 2
    Polk RTA 15tl
    Polk Monitor 7C
    Polk Monitor 4.6
    Polk Lsi9

    Infinity RS-II (modded)
    Infinity RS-IIIa (modded)
    Infinity RS 2.5 x 2

    Magnepan 1.6QR (modded)

    System: http://forum.audiogon.com/cgi-bin/fr...vol&1290711373

  12. #12

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    "Somebody school me on vintage MW's."

    I believe that is exactly what the seller of those 5Jr did.

  13. #13

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    As far back as 1977 I can only recall coated paper drivers in the Polk "Monitor Series"...








    Note that in those early days, the PRs were not plastic coated, however...
    Last edited by mhardy6647; 09-23-2013 at 12:50 PM.
    all the best,
    mrh

  14. #14

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    Quote Originally Posted by drumminman View Post
    Another difference is there are more than 4 screws holding them to the front baffle. I would have thought they were non polk replacements as well.
    I thought the same thing at first. Then looked at the back of the driver from the return e-mail. Plainly only 4 screws. Then looked at the fronts again and am unable to tell if the first picture has 8 screws or only 4 with just the gasket looking that way. The surrounds do appear to be rubber, but not a match to the rubber surround in the picture posted by Nightfall. I have this model as well and mine look just like the ones Nightfall posted pic of. If the pictures do indeed show the same drivers, i would assume a recone of some sort with incorrect parts. We may never know.

    I almost forgot that even on the early drivers I have seen with silver baskets and cardboard gaskets, they have all matched the ones in the pic posted by MHardy; with still only 4 screw positions and coated paper.

  15. #15
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    Could very well be a recone, but the earlier midwoofers did look different... Hmmm...

  16. #16

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    They both look like they've been re-coned, or one has and the other isn't a Polk
    Home Theater/2 Channel:
    Front: SDA-2ATL http://www.polkaudio.com/forums/show...ished...Almost
    Center: Custom http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
    Pioneer Elite VSX-72TXV, Carver PM-350, SVS PB2-Plus Subwoofer


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  17. #17

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    I don't think it's wire correctly either. Looks like the white wire is connected to the terminal with the red dot.

  18. #18

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    My 10b's from 85 have the glossy drivers...before that I don't know..

  19. #19

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    Quote Originally Posted by Mr. Bubbles View Post
    I thought the same thing at first. Then looked at the back of the driver from the return e-mail. Plainly only 4 screws. Then looked at the fronts again and am unable to tell if the first picture has 8 screws or only 4 with just the gasket looking that way. The surrounds do appear to be rubber, but not a match to the rubber surround in the picture posted by Nightfall. I have this model as well and mine look just like the ones Nightfall posted pic of. If the pictures do indeed show the same drivers, i would assume a recone of some sort with incorrect parts. We may never know.
    I see what you mean. It looks like the one with the Polk label has 4 screws, yet when looking at it from the front the exterior surround ring has cut outs for eight screws, but not each cut out has a screw. Unless the seller wants to let them go real cheap I'd pass on them. They look like someone has done some "custom" work.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills, polyswitches removed, Lg Solen inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA A-L transformer

  20. #20

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    I swear I've seen non-doped Polk MW drivers. Maybe Ken can chime in on this one.
    '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 turd by the clean end."

  21. #21

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    The more I look at them, the more it looks like both were re-coned, or are not real Polk drivers. One has exposed lead wires, the other doesn't. The dust caps appear to be pressed paper, which Polk didn't use back then. The early drivers had felt, and the later drivers had mesh dust caps. I've also found some very loose labels when servicing the drivers, would be very easy to remove and glue them to another driver. As mhardy shows above, the doping was used in their marketing.
    Home Theater/2 Channel:
    Front: SDA-2ATL http://www.polkaudio.com/forums/show...ished...Almost
    Center: Custom http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
    Pioneer Elite VSX-72TXV, Carver PM-350, SVS PB2-Plus Subwoofer


    www.dhsspeakerservice.com

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