TH-18 build |
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smitske96
Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1085 |
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Also handy to know.. measurements was outside.
Approximally 40m from a (busy road).
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midas
Old Croc Joined: 27 October 2011 Location: Cumbria Status: Offline Points: 2117 |
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Easier and better if you only have a couple of cabs to do is: u pol raptor truck bed liner and buy the gun with it. Not cheap but then you only have to buy a compressor. No pot needed plus you get a two part solvent paint finish.
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In bass no one can hear you scream!
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MarjanM
Old Croc Joined: 10 February 2005 Location: Macedonia Status: Offline Points: 7810 |
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This is a common problem with boxes that have coaxially mounted HF. Reflections from the HF horn back is what is causing those dips. Solution is to either use different HF driver that you can cut lower (ideally at around 600Hz) or you can try and attach some sort of foam (sponge) at the back of the HF horn and lower the reflections.
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Marjan Milosevic
MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
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nickyburnell
Old Croc Joined: 06 February 2005 Status: Offline Points: 4410 |
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I love C7 top but what you have described makes sense. I always thought they got a little, "stressed" but didn't think it was actual distortion. Thanks :) |
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It's everything, not everythink!
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smitske96
Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1085 |
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I don't know if D&B uses any foam or something, but looking at some pics of the D&B cabinet, they use a smaller horn. So that would also help to reduce reflections.
I'm currently thinking of switching the hi driver with something like a Faital pro HF146.
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RMS65
New Member Joined: 19 April 2017 Location: SLO Status: Offline Points: 8 |
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Hi!
I use TH 18 for two years. Most outdoors, as well as in larger halls. This year I made two more CUBO18. In TH18 I have Faital pro 1500lx 8ohm for CUBO18 Faith 18HP1022 8ohm. They both get along well together. Music is played live and both basses work nicely. It's powered by the FP14000. For satellites I use T24N with built-in B & C drivers. HF D800 and LF 12NDL76. It aims to produce two more TH18, but I do not know which drivers to use. I am afraid I will have to buy all new ones, because 1500lx is no longer on sale. Jani
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zombidj
New Member Joined: 04 September 2018 Status: Offline Points: 2 |
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hello the components of the t24n are the originals that the box brings? |
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smitske96
Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1085 |
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As far as I know, the original T24(n) uses 18sound components.
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RMS65
New Member Joined: 19 April 2017 Location: SLO Status: Offline Points: 8 |
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https://www.twaudio.de/wp-content/uploads/2016/03/TW_AUDiO_T24N_Tests_Production_Partner_Reprint_T24N_EN.pdf
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RMS65
New Member Joined: 19 April 2017 Location: SLO Status: Offline Points: 8 |
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https://www.twaudio.de/?s=T24N+test
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smitske96
Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1085 |
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Update about the coax top:
It's definately not a timing problem, I measured the 15 and high driver seperately, and the problem is still there. Also using some foam to dampen the soundwaves from the 15 doesn't have allot of effect. I maybe can get the BMS 4595 pretty cheap, so I'm looking at some suitable horns. I planning on using a throatadapter with the 4595, does anyone have experience with the 2" P-audio horns? (PH-942, PH-642).
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smitske96
Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1085 |
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New toy for next week
First measurements will be done with the 18sound XR1464, after that the RCF HF950
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