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First Lightweight Prototype Cabinet

Discussion in 'Amps [BG]' started by blackstring, Nov 15, 2012.

  1. blackstring

    blackstring

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    We finished our first prototype bass cabinet this week. I've been thinking about building one of these for years as an alternative to Indycar parts and NHRA wings and bodywork that we normally build. This was done as a proof of concept project and we are more than happy with the results so far. The cab is loaded with a ten and twelve inch driver(s) plus a horn and an Eminence crossover and is rear ported. The weight is thirty pounds and it sounds huge. We will be doing some experimentation with porting over the next few days to see how it affects the tone and depth. We are already throwing around ideas to bring down the weight and make production a realistic prospect on the near horizon. A 1x12 is also in the works at this point with a target weight of eighteen pounds. Thoughts and ideas are greatly appreciated at this point.
  2. synaesthesia

    synaesthesia

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    There is a science to modelling the response based on parameters of loudspeaker drivers that were established by Messrs Thiele and Small and developed by many others on the global platform since those studies were published in the JAE in 1972. It is well worth your while to bone up on the available science rather than take potshots in the dark about port experiments on tone.
  3. Mike Arnopol

    Mike Arnopol Supporting Member

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    Disclosures:
    Owner of MAS Soundworks
    Oh man---I make composite cabs commercially and I'd love to see what you're doing. I have no problems with new technologies that might even waste mine! Pics, details---are you molding or doing lay ups?

    I'd love to share ideas!
  4. blackstring

    blackstring

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    We are well aware of Messrs Thiele and Small, thanks. Not really taking potshots in the dark here but thank you kindly for the advice.
  5. shaginwagin

    shaginwagin

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    Carbon fiber, right?


    Can we see it?


    Sounds cool...
  6. Basically Bob

    Basically Bob

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    ... very interesting

    more info & pics please.

    subbed

    (talk to Mike)
  7. derrico1

    derrico1 Supporting Member

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    I think you need a beta tester based in Virginia. I'm happy to volunteer!
  8. derrico1

    derrico1 Supporting Member

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    Very interesting. So this is a 110+112 cab @ 30#? And a separate design that's 110212?

    I'm curious what sort of tone profile you're aiming for with the design(s): reference-speaker even? superlight box with old school 80-120 Hz thump? mid-peak for articulation on noisy stages?
  9. Passinwind

    Passinwind Charlie Escher Supporting Member

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    Definitely looking forward to more details. Don't forget to read and abide by the Commercial User Policy for Talkbass...;)
  10. Chef

    Chef Moderator Supporting Member

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    Disclosures:
    Staff Reviewer; Bass Gear Magazine
    You're in Nashville?
    You maybe ought to meet Mark Robertson, dukeorock here.
    He's done a bit of cab fab, and would dig what you're doing and maybe have some insights for you.
  11. blackstring

    blackstring

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    Not sure I qualify as a commercial user yet but thanks for the advice. Did some testing today with a Tonehammer and a Fender TB1200. Pretty flat from low b all the way up. A slight bump in the high mids and nice crisp highs. Very reponsive for a vented cabinet. Responds well to changes in EQ. With the TB1200 you get stupid amounts of volume. Gigging with it tomorrow night in a notoriously bad room. Will update.

    Attached Files:

  12. blackstring

    blackstring

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    One More

    Attached Files:

  13. Chef

    Chef Moderator Supporting Member

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    Staff Reviewer; Bass Gear Magazine
    That looks very nice.........
  14. Jeff Scott

    Jeff Scott Don't just TalkBass - PlayBass! Supporting Member

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    Awesome, really! I'd like to see a vertically aligned version of that.
  15. gustobassman

    gustobassman I'm only here for the Afterparty Supporting Member

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    That looks way cool! Nice work!
  16. Chef

    Chef Moderator Supporting Member

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    Yup.

  17. Jim C

    Jim C Supporting Member

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    Stunning fit and finish
    Understood that it will be stupid expensive but does make conventional cabs look pale by comparison
    Good luck with R&D
  18. christw

    christw Always searching for the right Ric... Supporting Member

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    Endorsing: J Worrell Bass
    Wow, that looks great!
  19. DukeLeJeune

    DukeLeJeune Only immortal for a limited time Gold Supporting Member

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    Disclosures:
    Owner & designer, AudioKinesis; Auth. mfg, Big E (Home Audio only)
    Very nice build, Blackstring! Not looking forward to competing against you (take that as a sincere compliment)!!
  20. Foz

    Foz

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    Why ignore baffle step optimization?

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