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My Sub-Low Reflex Project |
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Battered 
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Joined: 19 January 2013 Location: S.W. LONDON Status: Offline Points: 457 |
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 Posted: 21 May 2013 at 5:12am |
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Elliot
Did you ever get round to building any 21's? |
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Elliot Thompson
Old Croc 
Joined: 02 April 2004 Location: United States Status: Offline Points: 5365 |
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Posted: 21 May 2013 at 11:58am |
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I built four of them a year later. They are fed 3000 watts (1500 watts per driver) per bin on some old Crown Powerbase 3 amplifiers bridged. There is another design in the works that should offer a -3 dB @ 23 - 24 Hz that I should be focusing on in 2014 however, they will be 18’s.
Best Regards, |
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Elliot Thompson
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Battered
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Joined: 19 January 2013 Location: S.W. LONDON Status: Offline Points: 457 |
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Posted: 21 May 2013 at 6:54pm |
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Got any pics?
I'm leaning towards a couple of 21" or 24" Reflex singles, I don't need the higher SPL of a 2 x 18 and a couple of extra octaves at the bottom will be better for me anyway. Size won't be a problem because they won't be moved, they'll stay in one place so they can be as heavy as they need to be. They won't have any Drum & Bass or Dubstep going through them, or any 'Sub heavy' music at all really, which is why I think large Reflex enclosures will be perfect. |
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Elliot Thompson
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Joined: 02 April 2004 Location: United States Status: Offline Points: 5365 |
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Posted: 21 May 2013 at 7:35pm |
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For what you want it would be best to just make a new thread and start from scratch. Select the drivers you are looking to buy and take it from there.
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Elliot Thompson
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Battered
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Joined: 19 January 2013 Location: S.W. LONDON Status: Offline Points: 457 |
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Posted: 21 May 2013 at 7:49pm |
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No worries, I've pretty much decided the drivers I'll use. I'll start a thread when the time comes, your input will be welcome
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Elliot Thompson
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Joined: 02 April 2004 Location: United States Status: Offline Points: 5365 |
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Posted: 21 May 2013 at 8:22pm |
I will most definitely help if I can. You may be able to achieve a –3 dB @ 20 Hz if the driver you select is capable of doing it and, you are willing to accept a large box. The single (21-inch) driver below is Made In Canada. It will actually offer 124 dB @ 17.4 Hertz before taking a nosedive. You could not feed it more than 600 watts. Anything above 600 watts power compression comes into play.  Best Regards, Edited by Elliot Thompson - 21 May 2013 at 8:24pm |
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Elliot Thompson
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Battered
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Posted: 22 May 2013 at 12:48am |
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I'm resigned to needing a big enclosure, but it won't be moving anywhere so it's not a problem
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Battered wrote: