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Tuned pipes TL loudspeakers

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  • Tuned pipes TL loudspeakers

    Hi!
    What is a tuned pipe transmission line loudspeaker?
    Is a tapered voight pipe like David Weems pipes?
    A vintage High Fidelity Loudspeaker the Soliloquy mod. 5.2
    was a tuned pipe TL and I'm curious about the internal configuration.
    TIA

  • #2
    Re: Tuned pipes TL loudspeakers

    I would have to guess that it's another name for a Mass-Loaded Transmission Line. The MLTL is basically an oversized ported box with an extremely low box tuning. This makes for a dip in response before Fb. The height of the box is carefully selected so that the quarter-wave resonance fills in the dip. You end up with F3s easily a half-octave lower than they'd otherwise be. Power handling goes out the window, though...

    Having looked at images of the Soliloquy 5.2, that certainly looks like a port configuration that one might see in an MLTL. Another notable example of the configuration is the Salk SongTower (the port is on the back).
    nothing can stop me now

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