SV18 super-sub

Discussion in 'Archived Threads 2001-2004' started by Trevor H, Feb 16, 2001.

  1. Trevor H

    Trevor H Second Unit

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    I am considering buying a SV18 from http://www.subwoofers.com to make a super-sub similar to a SVS (just way bigger), I have some 22" tube (same quality as Sonotube) I was wondering if anyone has bought this 18" woofer and what your opinion of it is before I buy one (it is $750.00 US)
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    Trevor Harder
    My HT Page
     
  2. Patrick Sun

    Patrick Sun Moderator
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    Trevor, food for thought: Adire is coming out with the Maelstrom, an 18" driver, and it'll have a pre-order price around $250 (afterwards, around $350). The Maelstrom will be the bigger brother to the Tempest (15") and the Shiva (12") drivers.
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    PatCave ; HT Pix ; Gear ; Sunosub I + III ; DVDs ; LDs
     
  3. Patrick Sun

    Patrick Sun Moderator
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    Check out this thread . Enjoy!
    Fs: 20 Hz
    Qms: 19
    Qes: 0.29
    Vas: 460L
    Sd: 1200 cm^2
    Xmax: 13mm one way
    BL: 19.3 N/A
    Pmax: 1000W
    SPL: 93 dB @ 1W, 1m (96 dB @ 2.83Vrms @ 1m)
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    PatCave ; HT Pix ; Gear ; Sunosub I + III ; DVDs ; LDs
     
  4. Charlie G

    Charlie G Extra

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    Cripes on toast!
    I need one of those. I hope Dan settles on some T/S parameters and they get them into thier copy of LspCad soon. [​IMG]
    Charlie
     
  5. Geoff L

    Geoff L Screenwriter

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    Jack,
    If Pats specs are correct ---
    Qes-0.29
    Qms-19
    Qts comes to .198
    Others may check this, ran it twice and the out come was the same... Qts=.198
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    Smoothe
     
  6. Andrew Pratt

    Andrew Pratt Producer

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    hmmm an 18" driver, a fat section of sonotube, a little MDF and on no I feel an upgrade coming LOL
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    The Pratt Home Theater
     
  7. DanWiggins

    DanWiggins Second Unit

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    Jack/Geoff,
    Qts is the combination of Qes and Qms. The easiest way to calculate Qts is:
    Qts = (Qms * Qes) / (Qms + Qes)
    For Maelstrom, this would be 0.285.
    Thanks,
    Dan Wiggins
    Adire Audio
     
  8. Charlie G

    Charlie G Extra

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    Dan, I think you will have no trouble finding demand for the Maelstrom. (You can put me down for two.)
    Who will buy the tempest anymore, though? [​IMG]
    Charlie
     
  9. Trevor H

    Trevor H Second Unit

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    Where do you place pre-orders for the Maelstrom, I went to the Adire site but could not find info about a pre-order
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    Trevor Harder
    My HT Page
     
  10. Tom Reed

    Tom Reed Agent

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    Hey Dan
    Another new item. I thought you guys were coming out with a 700 watt plate amp. When is that coming out. I am more interested in the amp than a huge driver.
    Tom Reed
     

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