Any thoughts on PAPER CONES compared to METAL./ALUMINUM CONES

Discussion in 'Archived Threads 2001-2004' started by Dodie, Nov 9, 2002.

  1. Dodie

    Dodie Agent

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    Is there any big difference between paper cones and metal or aluminum cones? What could be some advantages and disadvantages on both types of cones? Do they reproduce sound differently? And which one is more preferable paper or metal/aluminum?
     
  2. terence

    terence Supporting Actor

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    Quality midrange and bass drivers are usually constructed from Kevlar, Aerogel, Aluminum, or Polypropylene materials, which have very high strength/weight ratios and tend to be immune from flexing during large excursions. This allows the driver to react quickly during transitions in music and minimizes driver distortion.

    Some woofers achieve excellent sonic performance when constructed from high quality paper laminates. If done right, paper woofers can outperform many exotic drivers made from fancier materials.

    I hope this helps you out.
     
  3. John Doran

    John Doran Screenwriter

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    there was an interesting white paper by john dunlavy that dealt with this topic - he argued that paper/carbon laminates were the best materials for quality speaker-cone construction.

    unfortunately the paper is now inaccessible on the dunlavy website since the company has ceased operations and is out of business...

    - jd
     
  4. Brett DiMichele

    Brett DiMichele Producer

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    Paper and it's variants (Spruce Pulp, Paper/Kevlar, Paper/
    Carbon, Paper/Hemp) are very suitable for low frequency
    drivers (sub woofer cones) and even Mid Ranges.
    Tweeter domes are best left to the Silks, Titaniums, Polymers
    etc..
    Great Mids can also be metal if they are well executed.
    My mids are dual 5.25" Magnesium - Aluminium Alloy machined
    out of one piece (no dust cap) ultra light and ultra stiff.
    I wouldn't trade them for Paper, that's just me [​IMG]
     
  5. Jason_Me

    Jason_Me Stunt Coordinator

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  6. Stephen Dodds

    Stephen Dodds Second Unit

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    You can make good sounding speakers out of paper or metals, the trick is to design the speaker and especially the crossovers properly. Also the motors, surrounds, baskets and other parts of the driver all have an influence. Paper tends to be more forgiving than metal.
    That said, unlike Mr Cheney I have a preference for metal drivers, but not tweeters. I also think they look cooler.
    If you have the time, search through this site:
    www.linkwitzlab.com
    to see why another famous designer prefers certain magnesium alloy cones.
    Steve
     
  7. Jason_Me

    Jason_Me Stunt Coordinator

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    The Seas magnesium cones are great because they only have one resonance peak, which is easily controlled. Mr. cheney doesn't use cones for anything other then bass nowadays. He's moved on to push/pull neodymium ribbons.
     
  8. Greg_R

    Greg_R Screenwriter

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    Although metal cones are extremely rigid (a good thing), they are also prone to ringing at certain frequencies. It is important that the driver and speaker (inc. crossover) are designed with this in mind.
     

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