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  1. #1

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    Default Another adventure

    I just picked up a pair of Monitor 10As on Craigslist. Unlike the 1cs I got a few weeks ago these were not in pieces and seem to be whole. Of course I had to look inside. Click image for larger version

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ID:	81310What is going on with these crossovers?

  2. #2

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    Default

    Looks like they've been modded.

  3. #3

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    Quote Originally Posted by gdb View Post
    Looks like they've been modded.
    Poorly
    The 10s take pretty standard values. Looks like the used whatever they had laying around
    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
    Other:
    SDA-CRS+
    Bose 901 Series II Continentals, Custom Rebuilt Equalizer
    www.dhsspeakerservice.com

  4. #4

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    Looks like someone used what they have to come up with the value needed on the caps.
    If they are within tolerance %, should be okay.

    Instead of 12uf and 34uf, it has 12.2uf and 32uf.
    I think the 32uf one may be slightly at the edge of tolerance but the 12.2's are okay.
    Assuming both are 16 in there.
    Last edited by Mystery; 02-12-2013 at 06:47 PM.

    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.

  5. #5

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    The guy I bought them from told me they were done at a local "reputable" speaker repair place. They do sound good. Not as good as the 1Cs, of course.

  6. #6

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    Yeah, hard to beat that good ol SDA sound!!
    "if it's not fun, it's not worth it!!"
    *****************************

  7. #7

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    Quote Originally Posted by aldine View Post
    The guy I bought them from told me they were done at a local "reputable" speaker repair place. They do sound good. Not as good as the 1Cs, of course.
    I guess "reputable" has different meanings for different people.
    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
    Other:
    SDA-CRS+
    Bose 901 Series II Continentals, Custom Rebuilt Equalizer
    www.dhsspeakerservice.com

  8. #8

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    I would have used proper values, and I wouldn't have used Bennics. There are better caps out there. Also, if you can solder consider replacing those original sand cast resistors with a Mills (roughly $4 each) or some other quality brand of non-inductive resistor.

    It would make a fairly dramatic improvement for very little money.
    "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 binding posts, upgraded IC Cable, Black Hole Damping Sheets (3" strips) installed on back wall behind MW's & Tweeters, interior of cabinets sealed, AI-1 interface with 1000VA transformer

  9. #9

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    Sounds like good advice.(bad pun) The parts for my 1cs should arrive today. The 10As will be next.

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