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Thread: Need Help with New Vintage Altec Speakers

  1. #1
    Junior Member aaadougford's Avatar
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    Unhappy Need Help with New Vintage Altec Speakers

    I recently bought these Santiago's from out of state and I'm starting to
    realize these are actually DIY Cabs and some VOTT speakers thrown in. I
    was excited to hear them since they were out of state. Now that they
    are here, I am completely concern with the performance I.E. DISTORTION. I
    am not happy!



    So I opened the box to verify the contents and here's what I found:



    411-8a as I expected

    811B with an 806-A drive

    N-800-D crossover at 800Hz 16 ohm



    I didn't expect to see the N-800-D



    I am posting pictures so you can see the multimeter measurements. Name:  photoXOver.JPG
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    Name:  photo411.JPG
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    So I'm asking do you think these are blown? Are they blown based on the wrong network deployment?

    Thanks,
    Doug

  2. #2
    Junior Member aaadougford's Avatar
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    I've decided to make these more inline with Santiago's since the dimensions of the cabinets are to spec of Santiago's, but with an upgrade on the HF driver. I'll replace the 806a's with 902-8B's and the N-800-D with the correct N801-8A. Does anyone see something I should be concerned about with making these changes. I will need to sell off the 16 ohm things coming out to finance the replacements.

    I'd appreciate any feedback.

    Thanks,
    Doug

  3. #3
    Senior Member Altec Best's Avatar
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    If your getting a 9 ohm reading then no they aren't blown. But something isn't right if your getting a lot of distortion.I don't use the 806's that much.You are correct to use a 902,or an 802-8G they sound better IMO.
    "James B. Lansing" = Lansing Manufacturing ~ Altec Lansing ~ JBL

  4. #4
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    Take the back of the drivers off of the 806's and visually inspect the diaphragms. I've had perfect voice coil resistance readings only to find the diapragm aluminum domes in shreds.

  5. #5
    Senior Member Eaulive's Avatar
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    Quote Originally Posted by miker View Post
    Take the back of the drivers off of the 806's and visually inspect the diaphragms. I've had perfect voice coil resistance readings only to find the diapragm aluminum domes in shreds.
    Yup, very true.

  6. #6
    Senior Member Altec Best's Avatar
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    Quote Originally Posted by miker View Post
    Take the back of the drivers off of the 806's and visually inspect the diaphragms. I've had perfect voice coil resistance readings only to find the diapragm aluminum domes in shreds.
    True but that is the exception IMHO.Your more likely to find a broken lead that goes through the edge of the dome.But in all cases it makes sense to inspect the whole diaphragm !

    Here's an example on a Altec 23744 Diaphragm.That was repaired by a friend.

    "James B. Lansing" = Lansing Manufacturing ~ Altec Lansing ~ JBL

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