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About michiganpat

  • Rank
    Advanced Member
  • Birthday 02/06/1975

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  • Location
    west michigan
  • Interests
    my family, mopars, music, vintage marantz gear, restoring vintage speakers, building speakers

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  1. michiganpat

    Repatriated AR collection

    geez, if you needed to lighten the load a bit, you could have dropped a few pair at my house in MI (:
  2. michiganpat

    What was ARs Sweetest all round Speaker?

    I've owned 1977 vintage AR18's, 1973 vintage AR2ax's, early 90's vintage Holographic Imaging M5's, 1980 vintage 58S, and late 90's vintage 312HO's....they're all fantastic speakers....all have foam of some sort....I've done surround replacements on all except the 312HO's I bought new...foam on the woofers is still fine after 21 years as far as holographic all around sound, I'd rank them this way: H.I.M5's (those were fantastic speakers....put them in the corner and in room response goes into the upper 20's), 58S, 18's, 312HO, and 2ax (although in defense of the 2ax's, the tweeters were on their way out) don't be afraid of foam....if you don't want foam, personally I'd go for the early 90's 303's/303a's unless you want the vintage look, in which case, a 3 or early 3a is it...
  3. michiganpat

    Restoration stopped at woofer

    if you wanted to try get your other woofers fixed at some point, Circuit Shop Loudspeakers in Caldonia is a more local source to check out...I'm about 50 miles from them over in Grand Haven https://circuitshop-com.3dcartstores.com/About-Us_ep_7.html
  4. michiganpat

    Never heard the 12" at its best

    quit flappin' yer gums, and make a bass bin for the woofer the same internal volume as some 3a's or slightly larger (IIRC Qsys of a 3a is between .8 and 1)....I'd cast it out of 2" thick concrete, personally.... (:
  5. michiganpat

    ar 25

    basically the same drivers as the AR18, but in a larger cabinet, one about the same size as the 17, so it's -3db cutoff is about 8-10hz lower....should be nice speakers....I love my 18's
  6. michiganpat

    Holographic Imaging Series M4

    the woofers down in the cab are pretty easy to refoam. The holographic series (at least the M5 & 6) used film type caps that shouldn't need to be replaced in the mid/tweet circuits. I've seen a few holographic series where the dust cap is missing...they're a very flexible rubber....not sure where to find a similar one. most I've seen are cloth, paper, or hard plastic. these were the only ones I could find http://www.speakerrepairshop.nl/index.php?action=page&group_id=10000097&lang=en#.WlAbBXlG1WI
  7. michiganpat

    Holographic Imaging Series M4

    IIRC the bottom internal drivers on the M4's, like my old M5's, have paper cones and foam surrounds. you'll probably need to refoam them.
  8. michiganpat

    Teledyne Era AR's

    teledyne bought AR in 1967 and sold in 1989.....so a large number of "classic era" AR's were teledyne era (Ar3a, AR5, 6, 7, the redesign of the 2x) though the ADD series, the vertical series, the LS series, to the TSW series.... Allison left I think in '71 and didn't have further involvement with AR after that
  9. michiganpat

    Why was the AR-12 a one-year product?

    I'm guessing the spiderless, 12 only mid was also an expensive option to cover the gap from the woofer to the 3/4" tweet a relatively flat response 4-5" cone that reaches down the 300 hz seems like it should have been easy to source even back in the 70's....
  10. michiganpat

    AR18J Restoration - information and help

    it's an open cell foam . I've made some out of felt on mine, and have also cut out foam rings....
  11. michiganpat

    Help needed with newer AR 1 Tower Speakers

    huh, I still have my AR 312HO's, the hi-res older, 12" non-powered cousins....the foams on the woofers are still good, and the mids are still fine... I don't think the foam surround around the mids & tweets are glued in, I think it's just a friction fit
  12. I'd think the easiest way would be to run a single tweet and UMR in a vertical array, and one 8" lower midrange to one side with the same crossover as you 90's, but w/o the woofer section and the high pass to the LMR deleted (so that runs "full range" on the low end if it doesn't already).....if you wanted 8"W (MID/Tweet) 8"W arrangement with the woofers (LMR) wired in parallel, theoretically whatever components are on the LMR low pass crossover, you should be able to halve the inductance and double the capacitance and get pretty darn close. if you wire the woofers in series, you'd do the opposite (double inductance and halve capacitance).... I'd size the enclosure something between an AR17 and 18 for 1 woofer, about double for 2.....
  13. michiganpat

    Wife needs help finishing his bucket list AR92s

    I'd love both, but too far from me, and my wife would probably either divorce me or kill me for the insurance money (:
  14. michiganpat

    Where to find 10" Bass Drivers for AR9LS

    wonder how this would work.... http://www.humanspeakers.com/diy/parts/031.htm or is the basket 1/8" too large?
  15. michiganpat

    Where to find 10" Bass Drivers for AR9LS

    yeah, I know they're different...the 2nd one from MISCO's website is what Meniscus used to sell as the 10" "eclipse" woofer.... guess I didn't pay close enough attention to the physical dimensions of the first one.... I have some Eminence 10" subwoofers that probably would be a good fit, as they model very nicely in a 2ax or AR3 sized cabinet.....shipping to Australia probably would not be cheap...