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Thread: Drivers for DIY Heartsfield

  1. #16
    Senior Member John W's Avatar
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    Quote Originally Posted by mbeards View Post
    No problem Nick,

    I saw others on the web using D130's with good success (or so they say) so I would imagine that the 130A would be a step up from that.

    The last hurtle, from a driver standpoint, is to find some horns and lenses that are not ridiculously expensive!

    Any one want a nice guitar as a trade??
    This add has been up for a long time on Craigslist in Seattle:
    http://seattle.craigslist.org/see/msg/3934673946.html
    I've contacted the seller in the past about his horns, but don't recall the price. It was too high at the time.
    I do remember he is a bass player, and was looking for trades.
    If you can work something out, I can help getting them shipped.

  2. #17
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    Quote Originally Posted by John W View Post
    This add has been up for a long time on Craigslist in Seattle:
    http://seattle.craigslist.org/see/msg/3934673946.html
    I've contacted the seller in the past about his horns, but don't recall the price. It was too high at the time.
    I do remember he is a bass player, and was looking for trades.
    If you can work something out, I can help getting them shipped.

    Just contacted the seller. Hopefully he has two of those lens assemblies!

    Thanks for the link! It is much appreciated

    Matt

  3. #18
    Senior Moment Member Oldmics's Avatar
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    Those Craigslist lenses are probably McCaully devices.

    Might want to get measurements to compare to a JBL product and see if they are plastic or made of metal.

    Oldmics

  4. #19
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    So Im making notes and adding small edits to my blueprints for the Hartsfields.
    I know during the last years of production it was turned into a 3 way system.

    Any suggestions on 075 tweeter placement?

    I have seen them placed behind the grills on the top left or right corner of the speakers. This is based on one photo I found on google with the grills removed.
    I was thinking of making a cutout in the grill to fit the barrel of the 075 tweeter through so it is visible once the grill is on.

    Was this the standard position or is there a better spot to place it?
    I have done a little reading where it is suggested that placing the tweeter off center improves diffraction properties.

    Matt

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