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Cabinet Design Help

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  • Cabinet Design Help

    Hi all! New guy on the block needing a little help. I usually hang at the Jazz Guitar Forum and TDPRI. I'm currently using a sealed cabinet for jazz guitar housing a 10" Seismic Audio speaker (8 ohm) - it's powered by a G&K MB200 class D bass head that delivers 140 watts into the 8 ohm load. The combination works pretty well but I'm thinking about building a ported cabinet for better bass response and opening up the sound a little. I'm thinking along the lines of the Raezer's Edge type design. I have a couple 8 ohm JBL MI 10's sitting around and was thinking of using them in a pair of cabinets @ 8 ohms each, with the result that, if needed, using them both in parallel would let my amp deliver it's full 200 watts into 4 ohms. My problem is coming up with the proper design parameters for cabinets using these speakers - the JBL site is not much help, although I do have the TS design data for the speakers, I need some software to plug it into - preferably something that I can understand. Ultimate result is a pair of small, light guitar cabs with good frequency response. I generally use pine for my cabinets (with plywood baffle) as it's readily available, lightweight, affordable and, in the small sizes, stiff enough for the job. I need to come up with the cabinet volume and port area before I can start building. Am I also correct in assuming that, in a cabinet such as this, a port tube would not be required - that just the opening, sized properly is sufficient?

    Thanks for your help!!

  • #2
    Re: Cabinet Design Help

    Download a copy of WinISD Pro(it's free), enter the TS specs for your driver and then run a SIM with it. http://www.linearteam.dk/?pageid=winisdpro
    Paul O

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    • #3
      Re: Cabinet Design Help

      Guitar drivers can be literally tossed into any cab large enough to house them and that's about it. Some prefer the tone of a sealed cab, some prefer open back, but the response modeling you do with every other speaker type just isn't required. Guitar cabs are very seldom tuned and ported.
      www.billfitzmaurice.com
      www.billfitzmaurice.info/forum

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      • #4
        Re: Cabinet Design Help

        If you post the T\S figures, I could run it through Bass Box Pro and get you the cabinet specs you desire, but is the deepest possible bass on a jazz guitar really what you want?

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