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best choice for a 12" horn plans |
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Mikkel 
Young Croc 
Joined: 17 May 2013 Location: Huddersfield Status: Offline Points: 546 |
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 Posted: 16 November 2016 at 5:46pm |
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He needs it to play up to 1000 hz to meet comps.
By the way commercial selling on the forum is not allowed. A lot of people forget but this is a DIY forum, not a platform for advertising... |
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SouthwestCNC
Young Croc
Joined: 27 November 2015 Status: Offline Points: 824 |
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Posted: 16 November 2016 at 6:04pm |
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sorry yes, had overlooked that I will remove.
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_djk_
Old Croc 
Joined: 23 November 2004 Location: United States Status: Offline Points: 5992 |
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Posted: 16 November 2016 at 11:36pm |
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djk
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_Natty_
Young Croc
Joined: 01 April 2007 Status: Offline Points: 667 |
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Posted: 17 November 2016 at 10:51am |
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thanks to all contributors!
masking the resonance? did not add or subtract the speaker volume?
Im a real newbie but here some plots: without using directivity 4pxi sims of 121 tda version  121 tda varsion 4pxi in directivity equals to "0"  results are so far... i need to improve my knowledge over this sims prog!
these sims is about 2x b&c 12pe32 loaded as? is loooking like a dreaming horn lol but correct me if im wrong: are u simulating without mask the resonance? is that the correct way? cheers |
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_djk_
Old Croc
Joined: 23 November 2004 Location: United States Status: Offline Points: 5992 |
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Posted: 19 November 2016 at 9:38pm |
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"are u simulating without mask the resonance? is that the correct way?"
Yes, if you want to see it with all the nasties that may pop up. I generally check it both ways, and show the worst. "these sims is about 2x b&c 12pe32 loaded as? is loooking like a dreaming horn lol" It looks pretty good, that's why I posted it. I have the drivers sitting here, but haven't started to cut the wood yet. I have several alternate designs (with two 12PE32) in use, so I am in no hurry.  |
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djk
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_Natty_
Young Croc
Joined: 01 April 2007 Status: Offline Points: 667 |
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Posted: 21 November 2016 at 9:32am |
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yes _djk-,
ive seen even the plan in another forum post, looks nice! ill try to sim it for different b&c speaker... plot out soon!
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_Natty_
Young Croc
Joined: 01 April 2007 Status: Offline Points: 667 |
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Posted: 21 November 2016 at 2:21pm |
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ive made some sims, both with mine 12hpl76
1 single speaker (is it the correct way to do it?)   another with 2 12hpl76. correct if im wrong but the extension and the much more power comes from the double driver mor thant the project...others horn are about single driver so is more corretc to compare them as single speakers!   |
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bob4
Old Croc
Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1924 |
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Posted: 25 January 2017 at 2:50pm |
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sorry for *slight* threadjacking Natty....
DJK, you're talking about the yet non-existent successor of your double 12" mantaray here, aren't you? The one with 100 Hz f3? I've been reading about it in various horn threads on here, diyaudio and elsewhere. Stop teasing us dude!   I hope you will get around to building and verifying this new design soon, as I'm speccing a new system, and would love to find a good lowmid/mid design to cover roughly 100 - 1000 Hz to bridge the gap between some X1's and B&C DE75s.... I would prefer to not use kick bins.... been ploughing through countless mid horn threads on here without results (well, except for this.....) |
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_djk_
Old Croc
Joined: 23 November 2004 Location: United States Status: Offline Points: 5992 |
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Posted: 28 January 2017 at 10:20pm |
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Not likely to happen, I am a dead man walking.
Just got out of a week in the hospital. I need a new heart, and it's not going to happen. |
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djk
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Mark James
Old Croc
Joined: 15 January 2006 Location: rig side Status: Offline Points: 5306 |
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Posted: 28 January 2017 at 10:39pm |
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 sorry to hear that hope things get better soon |
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insert silly sentence here
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bob4
Old Croc
Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1924 |
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Posted: 28 January 2017 at 10:50pm |
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 least expected answer, I'm frankly shocked & lost for words. Whatever you need spiritually or physically, I wish it for you.  |
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nickyburnell
Old Croc
Joined: 06 February 2005 Status: Offline Points: 4408 |
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Posted: 28 January 2017 at 11:11pm |
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Much love. Let's all of us that can give energy and love.
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It's everything, not everythink!
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