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What is more accurate? Vas or Mass Delta?

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  • What is more accurate? Vas or Mass Delta?

    When measuring a driver, what's the more accurate method in practice, not just in theory?

    I'm working with some smaller 3"-4" drivers and I wonder if my hand-waving estimates of driver displacement volume in this 1.5L box are enough to throw off a delta Vas measurement. Okay then, maybe I'll look at delta mass instead. But if I go that way, now I'm using a glob of blue putty and pocket change, which strike me as a fairly lossy thing to be attaching to the cone (not to mention my scale accuracy & precision).
    nothing can stop me now

  • #2
    Just do the parameter sweep and then use the published moving mass of the driver to calculate the rest if you're worried about blue putty and nickels.
    R = h/(2*pi*m*c) and don't you forget it! || Periodic Table as redrawn by Marshall Freerks and Ignatius Schumacher || King Crimson Radio

    Byzantium Project & Build Thread || MiniByzy Build Thread || 3 x Peerless 850439 HDS 3-way || 8" 2-way - RS28A/B&C8BG51


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