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Thread: Enormous megaphone from silent film era - photo

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  1. May 26, 2018, 06:56 PM #4
    12bolts
    12bolts is offline
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    Quote Originally Posted by mwmkravchenko View Post
    .....A good horn.....
    Is there a specified ratio of length to diameter? Would a longer but narrower horn project sound further?
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    emu roo (Jul 5, 2025)
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