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Thread: Back in the 50s, a new Hartsfield is built

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  1. #1
    Senior Member rs237's Avatar
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    Back in the 50s, a new Hartsfield is built

    Hartsfield 1957
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  2. #2
    Senior Member rs237's Avatar
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    Hartsfield 2008
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  3. #3
    Senior Member rs237's Avatar
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    Many thanks to the information in this great forum I had a few Hartields build. Therefore, once again many thanks to all who made this forum possible.
    More images.

    Regards
    Juergen

    Ps Please do not look at the lens, I work because they have to gold anodize.
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    Senior Member macaroonie's Avatar
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    Very Cool

    Nicework there Juergen. That is an ambitious design to build.

  5. #5
    Senior Member rs237's Avatar
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    thanks macaroonie, it has made a lot of fun.
    Pictures from Build.
    The part numbers correspond to the numbers from the original plan they find here :
    http://www.lansingheritage.org/html/jbl/plans/harts.htm

    From left to right

    37,43,W413,45,42,50,42,45,W413,43,37
    51
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  6. #6
    Senior Member richluvsound's Avatar
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    Wonderful !

    Hey Juergen,

    that smile on your face is worth a thousand words. You should be very proud

    of yourself . They are beautiful .

    Rich,

  7. #7
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    Juergen,

    congratulations! It is a very fine work.
    You have let us share your progress within your avatar already, now it has come to a "golden" end.

    Your pose scares me. The lady must be very old, so it is a no-no choice. :shock:

    Please let us know not only your listening impressions but some measurements too - as far as I know you have the original speaker package.
    ___________
    Peter

  8. #8
    Super Moderator Hofmannhp's Avatar
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    Hartsfield Clone

    Quote Originally Posted by rs237 View Post
    Ps Please do not look at the lens, I work because they have to gold anodize.
    Hi Juergen,

    They look absolute fantastic.......

    as far as I can see on my 2310 Lens they are black anodized. It is no color paint what makes them black.
    So it may be a problem to anodize them again in another color then black.
    The aluminium surface is ready when anodized, like "frozen" color......maybe I am wrong but it is worth a try.

    HP

    deine Hartsfields sehen super aus......

    So weit ich weiß, kann man schwarze 2310 Linsen nicht mehr neu eloxieren, wenn sie schon einmal eloxiert sind. Meine 2310 sind schwarz eloxiert.
    Aber wer weiß.....vieleicht gibt es ja Mittel und Wege......einen Versuch ist es wert.
    Please help us save more info about the vintage systems. Let us register your speakers and drivers.

  9. #9
    Senior Member rs237's Avatar
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    Quote Originally Posted by Hofmannhp View Post
    Hi Juergen,

    They look absolute fantastic.......

    as far as I can see on my 2310 Lens they are black anodized. It is no color paint what makes them black.
    So it may be a problem to anodize them again in another color then black.
    The aluminium surface is ready when anodized, like "frozen" color......maybe I am wrong but it is worth a try.

    HP

    deine Hartsfields sehen super aus......

    So weit ich weiß, kann man schwarze 2310 Linsen nicht mehr neu eloxieren, wenn sie schon einmal eloxiert sind. Meine 2310 sind schwarz eloxiert.
    Aber wer weiß.....vieleicht gibt es ja Mittel und Wege......einen Versuch ist es wert.


    Hallo HP,

    thank you.
    My 2910 is definitely not anodized. The paint is very durable. I now have a chemical from Belgium found. The seems to be working.

    Hallo HP,
    danke dir.
    Meine 2310 sind definitiv lackiert nicht eloxiert. Der Lack ist allerdings sehr widerstandsfähig. Ich habe jetzt einen Abbeitzer aus Belgien gefunden . Der scheint zu funktionieren.


    regards
    juergen

  10. #10
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    Incredible work. I'm very impressed and a little jealous of your skill.
    The pic in post 2 cracked me up.

    Reminds me to get to work on my current project.....

  11. #11
    Senior Member rs237's Avatar
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    Hello A9X,

    Thank you for your comment.

    The first measurement, not so bad.

    regards
    juergen
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  12. #12
    Senior Member rs237's Avatar
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    I like that less
    The woofer has a delay to the Mid-Horn of 3,56 mSec .
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  13. #13
    Senior Member rs237's Avatar
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    Mid> High delay 0.9 mSec = 31cm (1 feet). That I could control, it is true. (Sorry the photo is bad).Also, the measure to vote.
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  14. #14
    Senior Member rs237's Avatar
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    Ohh, whats that? An absolute rare 2310S (S = Silver) Lens? No, i am kidding. But I am glad that the color down. Now I can anodise gold.

    regards
    juergen
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