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  1. #31

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    Quote Originally Posted by Nightfall View Post
    Something else I thought of is there is no way I can tell if the weight lost is from the cone and puck or if it's from the basket as I'm weighing the entire PR. If it's lost in the basket then I'd guess they both sound the same?
    The baskets could have been made with a lighter gauge steel, or simply production variances. They could have been sourced from different vendors. There's quite a few years difference in the production dates.
    Home Theater/2 Channel:
    Front: SDA-2ATL
    Center: Custom Built http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom Built http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat & Hurricane Nuts.
    Pioneer Elite VSX-72TXV, Carver PM-350

    "So is there any tread left on those tires or is it just like throwing a hotdog down a hallway?"

    www.dhsspeakerservice.com

  2. #32

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    You can add 15 grams mass on the pr cone.
    May be tape some pennies. :)

    Boston A400, DefTech BP10,BP-2, Klipsch KG2.5,KG4,KSP-400,KSF-C5,RF3,RC3.
    JBL L20t,L80t3,L166, EPI 20+,T/E 280, Polk 4,4.5,7C,RTA-11T, KEF Coda III, Yamaha NS-690.
    SUB:PF15TL+, Energy e:XL-S8, Optimus SW-10P, Velodyne VA08BVX10. Pre: HK AP2500. Amps: BB175, Adcom GFA-555II, Rotel RB-990BX.

  3. #33

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    Quote Originally Posted by Nightfall View Post
    Well, they're a little different. The material the cone part is made of on the replacement is smoother compared to the old one which has a very bumpy texture to it. Weight is a little different too.

    Old - 318 grams
    Replacement - 303 grams

    Not sure if 15 grams is enough to actually hear a difference or not, that is not much weight. At least the cabinet is sealed now, though. Dates are different too. I forget the actual date, but the MW6500's I think were 1983 so I assume the PR is the same year. The replacement is dated 1989.

    Maybe I will just try and find another 1989 Monitor 5 PR so that even if it does change the bass a bit, they will both be the same.
    Have you "listened" to both speakers with the new PR in one? Only your ears can tell if they sound "different". Don't pre-decide that! Put them in and see if you can tell a difference. If not, your good. If so, then it's time for a mod or another matching PR. Or....?

    cnh
    Onkyo TX-SR 805 System #1 HT AVR
    Office Two Channel: LSi-7s (Nakamichi CA-5, NAD 214, Pioneer BDP51fd)
    Vintage Polks: Polk Monitor 5As, Monitor 7Bs [HK 730], Monitor 10As [Marantz 2265], SDA-2Bs [Jolida JD-303, Jolida MV-MK4]
    Headphones: HD600, Q701, ATH-M50s etc. Bravo Audio Ocean amp., Onkyo P-304, Adcom GFA-555, Technics Direct Drive TT

  4. #34

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    No way to tell at this point. I'd fire them both up with some bass tracks, and see if they sound about the same
    Home Theater/2 Channel:
    Front: SDA-2ATL
    Center: Custom Built http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom Built http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat & Hurricane Nuts.
    Pioneer Elite VSX-72TXV, Carver PM-350

    "So is there any tread left on those tires or is it just like throwing a hotdog down a hallway?"

    www.dhsspeakerservice.com

  5. #35

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    Maybe once I get a day off. A/Bing these is going to take a bit of work. They're a center channel with a TV on them.
    |Fronts - Peerless RTA-12B | Center(s) - Peerless Monitor 5 | Rears - Peerless Monitor 4 |
    |Amp for fronts - Yamaha CA-1010 | Preamp (and amp for center/rears) - RX-V667 |
    |TV - Philips 46" Smart LED | Gaming - Xbox 360 | Headphones - Fidelio X1 |

  6. #36

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    Just leave them alone and enjoy.

    Boston A400, DefTech BP10,BP-2, Klipsch KG2.5,KG4,KSP-400,KSF-C5,RF3,RC3.
    JBL L20t,L80t3,L166, EPI 20+,T/E 280, Polk 4,4.5,7C,RTA-11T, KEF Coda III, Yamaha NS-690.
    SUB:PF15TL+, Energy e:XL-S8, Optimus SW-10P, Velodyne VA08BVX10. Pre: HK AP2500. Amps: BB175, Adcom GFA-555II, Rotel RB-990BX.

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