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What determines the quality of speaker?

Discussion in 'Archived Threads 2001-2004' started by Josh Dial, Jan 5, 2002.

  1. Josh Dial

    Josh Dial Cinematographer

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    Real Name:
    Josh Dial
    In an attempt to fill the boredom between semesters, I have decided to experiment with speaker building. Just for kicks, I am canibalizing all the old speakers in the house (which is a lot), taking out the crossover, cones, etc.
    I was wondering what, in general, makes one speaker sound better than another? Is it the cones, the build of the xover, the engineering of the casing?
    Also, do I, through my own injenuity, have a chance to make a speaker that might sound decent, if all I do is tear apart other speakers to get the parts?
    Lots of questions here, so ANY help would be appreciated. Remember, this is for fun/learning. I don't care if I accidently wreck a speaker or two [​IMG]
    cheers!
    Josh
     
  2. Brett DiMichele

    Brett DiMichele Producer

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    Josh,

    There are many factors that merge together to make any loud

    speaker successfull in it's design and function. You have

    already stated the obvious.

    To build "just" the speaker it's self you have to look at:

    Cone Design

    Cone Materials

    Surround Materials

    Motor Structure (Magnet)

    Basket Design

    Basket Material

    Voice Coil Diameter

    Voice Coil Wire Diameter

    Frequency Response

    Excursion

    Distorsion

    Power Handling

    Then you move on to the cabinents and you have a whole plethora

    of options here as well:

    Materials

    Bracing

    Air Space per Driver

    Finish

    Dimensions

    Resonant Qualities

    Tuning

    Then you move on to the Crossovers and another list of choices:

    What Order (1st 2nd 3rd)

    Quality of Capacitors

    Quality of PCB

    Gauge of Internal Wiring

    Choke Type

    Choke Material

    Speaker building for the most part is "Rocket Science" there

    are some great programs available to the small user to develop

    crossovers and cabinents that "work" and the best source of

    information that I can think of would be to post this in the

    Do it Yourself Forum. Those guys eat sleep and breath DIY

    Projects!
     
  3. Arthur S

    Arthur S Cinematographer

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    I would say that the chances of you randomly putting together various drivers and achieving good results are not real great. However, people have been known to build, without much knowledge, speakers that sound good to them. I still remember the guy who made himself some big honkers and thought they sounded great... till he brought home a good pair of mass produced speakers that blew away his home brews.
     
  4. Robert_J

    Robert_J Lead Actor

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    Great quality drivers with a crappy cross-over will give you crappy speakers. Average quality drivers with quality cross-over parts and design will give you great sounding speakers. Try Wayne's site for great designs and a lot of speaker building info.
    -Robert
     

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