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  • Participant
    glyphin on · in reply to: Lowest distortion driver for music #7768

    How much do you give up in terms of sound quality when downsizing to the TD12S? A 4 cu. ft. enclosure is much more doable than a 16 cu. ft. enclosure in a home environment (both with stuffing for a target Qtc of 0.5; I should probably turn in my audiophile credentials now).


    Participant
    glyphin on · in reply to: Lowest distortion driver for music #7766

    Thanks! I’m seeing a box volume of 20 cubic feet for the TD15s for a target Qtc of 0.5. Sound right? (Replace all my Qts’s above with Qtc, by the way)

    No replacement for displacement, as they say!


    Participant
    glyphin on · in reply to: Lowest distortion driver for music #7764

    I think a Qts of 0.5 is the right target since I’m currently in a concrete and steel building. Being a crazy audiophile I’m willing to use as large of a box as it takes (within reason, say up to 10-15 cubic feet). My main speakers roll off around 100 Hz. I’d like to use a low-order crossover, which entails more of an overlap region (but these drivers should be good for it, yes?)

    So it sounds like either the S or the M are the right drivers? What about using both? S for a true sub, M to achieve smoother integration with the main speakers? 🙂

    Other details – plan is to actively drive each using dedicated amps and line level crossovers. Also using a digital FIR equalizer that does a really good job. In fact, the sky’s the limit in terms of software DSP (frequency and phase manipulation).


    Participant
    glyphin on · in reply to: Lowest distortion driver for music #7762

    Which of the TD15s? M, H, S, or X? Thanks!


    Participant
    glyphin on · in reply to: Lowest distortion driver for music #7760

    To add to this thread, what driver(s) would you recommend for a sealed enclosure at low to moderate volumes? 30 Hz also being sufficient for music. Aiming for Qts of 0.5 to 0.7 and minimal group delay, and possible extension into the midrange with a ~100 Hz first order low pass crossover filter at line level.

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