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Thread: Cabinet project

  1. #1
    Junior Hostboard Member dimitrov's Avatar
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    Cabinet project

    I have bought a pair of cabinets. Some old project for altec 416, or Tad 1601. This is all the info I have , from the seller. Can somebody help me to investigate wich is the driver more suitable to the enclosure?
    Dimensions external :120cm(47.24) tall, 76.2cm (30)wide, bottom deep 59cm(23.22), top deep 51cm(20), 21mm BB ply
    The port is 9cm from the bottom 28cm(11)/8cm(3.14)
    Center of the speaker is 45cm(17.7) from the bottom.
    The position of the speaker and the port are just drownings on the plywood, not cut. There is a 18 inch plywood tractrix 2 inch horn mounted 8cm(3.14)over the speaker position drawings .
    Regards!!
    Last edited by dimitrov; December 21st, 2023 at 04:17 AM.

  2. #2
    Senior Hostboard Member GM's Avatar
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    Re: Cabinet project

    Happy Holidaze and all that jive!

    Busy time of the year, but will load it in Hornresp soon, though it's large enough to use many of the vintage 15" drivers and some of their modern 'clones' along with a few modern 18".


    Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

  3. #3
    Junior Hostboard Member dimitrov's Avatar
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    Re: Cabinet project

    Thank you ,GM!!

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    Junior Hostboard Member dimitrov's Avatar
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    Re: Cabinet project

    Huge cabs they are! I calculate 14.96 internal volume. My room is 7x6x2.9 meters. The interior requires, position of cabs to be 1.6m from the 6 meters wall measured from the front of the cabinets , with 50inch TV between them

  5. #5
    Senior Hostboard Member GM's Avatar
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    Re: Cabinet project

    NOTE !!

    I hate Fb and am having a devil of a time with AUB to the point where this is my last post here, so please follow me at DIYaudio/Loudspeakers from now on: https://www.diyaudio.com/community/forums/-/list#loudspeakers.22


    Hope all had a pleasant/safe holiday so far as between the world and local news I'm starting to feel guilty about having it so good, all things considered....... Hotlanta use to be one of America's safest big cities, but lately been afraid to even go to the grocery store alone as seniors have increasingly become 'easy pickins' for kids even in the historically secure middle class locales.

    Regardless, at a glance, ~421 L/14.86747 ft^3 less driver, bracing, so ~410.6 L/14.5 ft^3, 50.65 cm i.d. deep

    vent area = 224 cm^2 x 2.1 cm long = ~33.6 Hz Fb (basic reflex)

    Cab looks good for both the Altec/GPA 416-8B and TAD 1601B (no longer have the 'A' specs or find in a quick Google search) once 'critically' damped, so any of the modern drivers that have similar range of specs should be fine too:

    Click Test with 'stretched' as in 'TIGHT AS A DRUM' stretched: Click Test | GM210 | Flickr
    Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

  6. #6
    HB Super Moderator
    Cabinet project


    Altec Best's Avatar
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    Re: Cabinet project

    Sorry to hear that GM . I have been having some health problems so I haven’t been here for a while. Feeling better now I hope everyone has a Happy New Year !

    @GM. Let me know if I can help you in any way my friend.

    @ Dimitrov Welcome and look forward to seeing your project.
    Last edited by Altec Best; January 5th, 2024 at 01:22 PM.

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    Junior Hostboard Member dimitrov's Avatar
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    Re: Cabinet project

    Thank you, GM!!!

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