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Sonotube Subwoofers

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  • kblackmore
    started a topic Sonotube Subwoofers

    Sonotube Subwoofers

    Has anybody built one of these? I was looking on Google and there are several articles, but I was wondering if there was anyone on this site that tried it. Success, Fails?

  • fpitas
    replied
    Never tried it, but I'd think you could cut the sonotube at 45 degrees and glue it back together so the woofer faces forward in a short section, instead of down-firing. Like Chris alluded to, most woofers will sag in time, and none are really happy with up or down firing.

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  • Uncle Bob
    replied
    Built one years ago with great success...will post pictures later. Ended up using a larger diameter tube approx 24" so it didn't need to be to tall. Had a friend in the casework business laminate the side and I made a wood top that I stained to match existing furniture. Think I used a Dayton 15" HO sub with 300 Watt Bash Amp. Integrates well with the rest of the system and has no problem shaking the house and everything in it As mentioned already, no need for bracing as the circular shape provides all the support needed.

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  • skatz
    replied
    See Bose acoustic wave cannon for a commercial example, not sonotube however

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  • williamrschneider
    replied
    Not Sonotube, but I used round PVC for a pair of 10" subwoofers that I built for my Pluto speakers. Here are the construction notes...

    http://www.afterness.com/audio/pluto_plus.html

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  • fpitas
    replied
    Did somebody say...El Pipe-O?

    http://www.firstwatt.com/pdf/art_elpipeo.pdf

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  • RobertOrosco
    replied
    I constructed the same, but using rss210hf-4
    Like on this pic.
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  • john trials
    replied
    Sonotube is great for a subwoofer enclosure. No bracing needed (I used bracing in mine because the sonotube got some water damage, and it was too expensive to replace it). Structurally, it is far superior to a box enclosure. As an earlier post mentioned, some drivers don't like up- or down-facing mounting, but a sonosub can always be mounted sideways. I would highly recommend using sonotube.

    http://techtalk.parts-express.com/fo...-sonosub-build

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  • Ron_E
    replied
    I built a pair using RSS390HO-4 woofers. They were down firing and would bounce off the floor. The bounce would have been easy enough to fix by putting a plate on the bottom of the legs but I didn't care for the aesthetics so I gave up on them. Technically they're a great way to build a light cabinet with low resonance walls.



    Ron

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  • dkalsi
    replied
    I have built 3 over the years. Very happy with the performance. I remember a long time back Adire Audio had published a paper explaining what driver specs lend them to up/down mounting. My enclosures were 320 liters and tuned to 13hz. I had near flat response in my room to about 11hz. IF you don’t mind the aesthetics - I would encourage you try one. I eventually got rid of them for aesthetic reasons Sent from my iPhone using Tapatalk

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  • Chris Roemer
    replied
    Also, NO driver is happier up/down-firing than sideways. It's just gravity and time (= sag = lower Xmax).

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  • Thucker
    replied
    There are tons of subwoofer builds using sonotubes/concrete forms. You don't see it as much on this forum but it's been done for many years with great success. They don't seem to be as popular any more, I personally think that has more to do with esthetics.

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