Fusion-15 v2 Info and Assembly Tips Thread

Discussion in 'Speaker Kit Information' started by Matt Grant, Dec 28, 2014.

  1. Perfect! Thank you.

    Glue slinging: INITIATED!
  2. If you wanted to make 2 slot ports, on the top and bottom, what size would they be? 1x16x5 each?
  3. It may have to be slightly shorter, the thinner you make the port or rather the higher the aspect ratio the more surface drag from the walls of the port. Two 1" x 16" ports have almost twice the internal port wall surface area as a single 2" x 16" This will have the effect of slightly slowing air flow through the port which leads to a lower tuning for a given port length but also reduces port output to some degree.
  4. Are there PCB's available for the Fusion 15 crossover?
  5. Hi,
    I just ordered 3 F-15s. I just have a question about lining the speaker cabinets.
    The UltraTouch Denim is a little difficult to come by. Is there any downside to using
    open cell foams / memory foam mattress topper / or Roxul Unfaced Rock Wool insulation?
    Any order of preferences out of the above choices? Same thickness of insulation for all
    of the above choices?

    Thank you
  6. Rockwool would be the most effective of those, if you are not opposed to using it regular fiberglass would work as well.

    I do have crossover circuit boards for the Fusion-15's.
    Thai likes this.
  7. #32 Thai, Apr 21, 2017
    Last edited: Apr 21, 2017
    Thank you Matt,

    I just bought those boards from you (AVS Forum.) They should be arriving this weekend or Monday. F-15s will be
    here 4/25. Very exciting.

    *** Actually the boards arrived. Thank you again.

  8. Hi, hopefully I'm writing this in the correct spot. I can't believe there are so few recent posts to this thread! I'm also very confused about all the sites and forums that seem to be related to each other :-/

    Anyway, I'm very interested in building Fusion-15s. To be honest, the primary reason for this choice is form factor; I want to build something in the style of the old radiograms, ie speakers and a turntable and amp built into one cabinet. It would only be for playing music, and would not have a sub.

    Here are my questions - some of them may need to be directed elsewhere:

    - The boxes would be fixed in the same plane. Is this a big issue?

    - The speaker boxes could be up to 700 or 800mm high; up to maybe 500mm deep, and probably the standard width. Would these dimensions work with extra porting to tune the box suitably for music reproduction? I'm not fussed about pumping out super-low bass.

    - Can the kits be shipped to Australia, and without the baffles?

    - Matt, can you still assemble these crossovers? Or do you think I should have a crack myself? My electronics knowledge is sadly lacking, but I can follow instructions..

  9. @Matt Grant what would you say min listening distance is in a well treated recording studio room?
  10. Assuming the speakers are elevated so that ear level is between the bottom of the waveguide and the top of the woofer you could probably get as close as 4-5ft or so.

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