Most efficient compact sub design |
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jamie-ashton-solo
Young Croc Joined: 26 January 2009 Location: staffordshire Status: Offline Points: 728 |
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Posted: 04 October 2018 at 9:57am |
Looking for recommendations for the most efficient sub design for single 15" that would keep up with 2 12s a side and a bms 4594nd a side.
Thinking 2 x 15s a side in singles for portability. Probably reflex but like the idea of tapped horns?
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Xoc1
Registered User Joined: 15 October 2012 Location: Devon UK Status: Offline Points: 397 |
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There's the problem -
More Compact - Less efficient More Efficient - less compact. So I suppose the questions are:- How big a box - or set of boxes can you accommodate? How low do you want to go?
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jamie-ashton-solo
Young Croc Joined: 26 January 2009 Location: staffordshire Status: Offline Points: 728 |
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Yes was expecting that. Basically it's mainly a weight issue not size. Due to carrying them on my own. Hence 4 15s instead of duals.
35 to 40hz to 100hz would be sufficient.
Edited by jamie-ashton-solo - 04 October 2018 at 10:52am |
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jamie-ashton-solo
Young Croc Joined: 26 January 2009 Location: staffordshire Status: Offline Points: 728 |
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ive considered going down ghe active route but don't want to comprimise sound quality. Musical bass is much preferred over spl however also needs to keep up with 4 12s.
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JonB67
Young Croc Joined: 22 April 2016 Location: UK Status: Offline Points: 1376 |
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load with neo drivers, saves 4 -5 kilos per driver.
Tapped horns are more efficient, and if a single pair of tham 15s has enough output to do the job that's the lightest, cheapest, easiest solution. If not then a pair of compact b6 alignment subs per side might do the trick Also have a look at these q15 by the late tony wilkes (a big contributor to this forum before his untimely passing a few years ago) If you like what you see, user Bee on here owns the rights, sells an updated version, or will give you a copy of tonys original plans if you donate to the British heart foundation.
Edited by JonB67 - 04 October 2018 at 2:19pm |
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jamie-ashton-solo
Young Croc Joined: 26 January 2009 Location: staffordshire Status: Offline Points: 728 |
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thanks for that. I did sit with Tony and listened to his tham15s. Great to know they are still being manufactured. I'll get in touch with bee
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JonB67
Young Croc Joined: 22 April 2016 Location: UK Status: Offline Points: 1376 |
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tonys were the compact b6 alignment reflex called the q15
The tham 15 tapped horns are anders martinssons creations and the plans are freely available Sorry if that was confusing
Edited by JonB67 - 04 October 2018 at 2:22pm |
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jamie-ashton-solo
Young Croc Joined: 26 January 2009 Location: staffordshire Status: Offline Points: 728 |
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Yes I realised after although it was the tham15s I heard. Would 2 a side of these me feasable do you think?
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rish
Young Croc Joined: 18 June 2008 Location: Durban Status: Offline Points: 547 |
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2 a side, one on top of the other with the dual 12 above that makes for a very very nice sounding system.
Most important aspect of the tham 15 is choosing the right driver. Tony did build a few tham 15 before the q15 and raved about it. Rish
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jamie-ashton-solo
Young Croc Joined: 26 January 2009 Location: staffordshire Status: Offline Points: 728 |
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Yes exactly what I was thinking as I need height for the tops to sit on.
Can anyone recommend which drivers would be best?
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3121 |
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if you are talking about efficiency in terms of size and weight you should go for B6 alignment reflex - if you use lightweight amps this will give you the most output for a given amount of kit. if you are more interested in electrical efficiency or saving money go for tapped horns.
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JonB67
Young Croc Joined: 22 April 2016 Location: UK Status: Offline Points: 1376 |
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got to confess when i weighed up the pros and cons for my own setup I ended up with reflex not tapped horns, and im not at all unhappy. They sound lovely. I have to keep mine in the an upstairs room atm and carry then up a steep narrow stair case pretty easily.
Edited by JonB67 - 04 October 2018 at 6:07pm |
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