FTH12 Tapped Horn
Printed From: Speakerplans.com
Category: Plans
Forum Name: New Projects Forum
Forum Description: Forum for new speakerplans projects, in memory of Tony Wilkes, 1953 - 2014
URL: https://forum.speakerplans.com/forum_posts.asp?TID=58675
Printed Date: 27 March 2026 at 2:16am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com
Topic: FTH12 Tapped Horn
Posted By: Tony Wilkes
Subject: FTH12 Tapped Horn
Date Posted: 30 October 2011 at 1:12pm
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Mentioned this a few times but only recently got round to doing any serious testing. Not claiming anything special just a tiny 12" Tapped Horn. Size is 550w x 370h x 455d Much better performance than with the driver in a ported cab. Output is about 2.5db down on my THAM15's and it looses about 8hz on the bottom end. Driver is the Celestion FTR12-4080HDX Design is inspired by Martinsson's THAM15's which still put an enormous stupid grin on my face.   Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Replies:
Posted By: cuivenion
Date Posted: 30 October 2011 at 1:41pm
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How does it compare to your BMS double 12's tony?
------------- help!!!!!!!!!! |
Posted By: Tony Wilkes
Date Posted: 30 October 2011 at 1:49pm
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The double 12's have the extension of the THAM15 and sound good up to 200hz, The tapped has more output and sounds excellent when used 45-150hz, it is silly powerful for its size :) Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: cuivenion
Date Posted: 30 October 2011 at 1:51pm
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Just wondering why you haven't used one of your BMS 12" drivers for the tapped horn, are they not suited to that type of design. ------------- help!!!!!!!!!! |
Posted By: Tony Wilkes
Date Posted: 30 October 2011 at 1:55pm
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As you say not suited, for this type of design a highish Fs is a big plus. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: cuivenion
Date Posted: 30 October 2011 at 1:55pm
Looks like a nice design by the way! 
------------- help!!!!!!!!!! |
Posted By: login4
Date Posted: 30 October 2011 at 2:17pm
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very cute tony, should be nice and cheap to build too, do you plan to release the plans for peeps? cheers ------------- CELTIC SUBSONIC SOUND SYSTEMS |
Posted By: colint
Date Posted: 30 October 2011 at 2:22pm
Look's like a nice compact cab Tony, Now cue 3 pages of "what other driver's will work in this box"  ------------- Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes! |
Posted By: soundchippy
Date Posted: 30 October 2011 at 2:28pm
| looks good. smaller than the mth30 and seems to go a little lower with same efficiency (is it 1w measurement?). will you post the plans? |
Posted By: soundchippy
Date Posted: 30 October 2011 at 2:29pm
| is this small enough to get 2 cabs from 1 sheet? |
Posted By: Tony Wilkes
Date Posted: 30 October 2011 at 2:30pm
Yes indeed, as soon as I have tidied up my drawing I will do a PDF. Regarding other drivers, as long as they are pretty close to the T/S parameters they should work. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
login4 wrote:Posted By: Tony Wilkes
Date Posted: 30 October 2011 at 2:38pm
No the measurements are not to a reference level. You have to ignore the simulated output level as well, the only way is to build and measure which is the only way I will ever do it. From memory the path is longer than the MTH but I suspect that it will probably not be as efficient as it is a smaller box, there is no such thing as a free lunch. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Tony Wilkes
Date Posted: 30 October 2011 at 2:41pm
No it takes about 5/8 of a sheet of 2440 x 1220 15mm thk Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Edd Jordan
Date Posted: 30 October 2011 at 2:47pm
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corking work as allways Tony. how dose it stack up against the mth-30? plus i imagine a stack of 4 of these a side would sound fantastic at an outside gig. ------------- I do a sideline in ply wood wheels. |
Posted By: infrasound
Date Posted: 30 October 2011 at 4:47pm
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Nice work Tony. 93L, 100db 1w/1m and flat to 50hz is a great combination!
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Posted By: Disco Stu
Date Posted: 30 October 2011 at 5:32pm
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Have you got any idea of how it would compare to say a decent 15" reflex as they are about the same size? Whats the output potential? Stu ------------- All you need to know is: Sensitivity + Power Handling - Power Compression = Max Output My acts: www.myspace.com/thebowiexperience www.myspace.com/scheisseelektronisches |
Posted By: Tony Wilkes
Date Posted: 31 October 2011 at 8:37pm
Stu, Net volume is only around 65L so it is actually around 2/3 the size of a typical compact 15". I would say that it would hold its own with most small 15" reflexes but it would obviously not have the same extension as a well designed large bugger. It has the same precise definition that is the strong point of the THAM15. It has not been used in anger yet but on test it seems to handle all I have chucked at it without complaint. The Celestion is a pretty advanced driver with a good modern cooling system, well worth the extra over the usual candidates. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: cncington
Date Posted: 31 October 2011 at 9:12pm
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lovely little box tony.., neat and compact.. ideal for a small compact system.. heard i think it was, a d&b 12" sub with tops on pole.. stunned by the amount and depth of bass out of such a small enclosure. Love to have a listen to this one.
------------- my middle name is......... IKEA |
Posted By: martinsson
Date Posted: 01 November 2011 at 7:29am
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Hello, what's going on here then :)
You seem to have achieved a great balance between size, bandwidth what i asume will be stunning output :) this combined with the definition you mention makes up a great little box with alot of uses.
I better get my act together... :) ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: wafflesomd
Date Posted: 01 November 2011 at 4:50pm
pfft, please. You already gave us the tham15. You wouldn't believe how happy I am with mine. I've never heard anything like it before.
I've built them all, scoops, x1's, reflex, BPH. They just don't compare to the tone of my thams. |
Posted By: Tony Wilkes
Date Posted: 01 November 2011 at 5:04pm
Plus your THAM15 is the basis for the 12", same fold arrangement etc  Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: martinsson
Date Posted: 04 November 2011 at 6:56am
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Thanks, but how do you think I came up with the tham designs in the first place ? yepp, by the help and knowledge from other people, in forums like this, it's no a one person job, never was, it's a collective effort, in my case Johannes Rodin, Petter Persson and a bunch of other guys are to blame for pushing, nagging and helping me until the tham designs took shape. And now their efforts has spread to new simmilar designs, from TDA, from you Tony, and so on, it's simple evolution, and that is the real payoff, I'm just happy to have played a part in it, by extension of argument one might say that if it was not for a Johannes Rodin this never would have been written.
Now back on topic ! :) ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: Tony Wilkes
Date Posted: 04 November 2011 at 7:27am
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Edited ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Tony Wilkes
Date Posted: 11 November 2011 at 12:36pm
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Comparison of the THAM15 with the FTH12, Note that the 15" driver is 4 ohms which accounts for around 3db of the difference. Hornresp was pretty good with both these designs and got the low end pretty much spot on.  ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Timebomb
Date Posted: 11 November 2011 at 1:53pm
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Thats pritty impressive it matches the 15" version at 50Hz, -10dB at 42Hz is good for such a small box too. Is this plot 1 cab or 2? How does the celestion 12" sound? Is it tight and fast and punchy? Or would you say its more of a bass / sub driver? I was considering them for my mid bass horns 90Hz-350Hz. ------------- James Secker facebook.com/soundgearuk James@soundgear.co.uk www.soundgear.co.uk |
Posted By: Tony Wilkes
Date Posted: 11 November 2011 at 3:18pm
No its just one cab, pretty pleased with the results. It sounds just like the THAM15 in that it has plenty of punch with great definition, they will be used with my new double 8" cabs to make a very small system with some serious output. I would say the the Celestion would be perfectly happy to 500 hz. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: martinsson
Date Posted: 11 November 2011 at 4:51pm
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That is truly impressive Tony, considering the size and the price tag for building them, this may very well be one of the most efficient "subs" in their class of volume, cost wise as well perhaps, a BP-FLH might reach higher sensitivity, but i doubt it will provide the same downward passband in that size. The sound quality is an added bonus to the impressive figures , but no less important, rather the opposite if you ask me, excellent design, I would build them on the spot if I had the facilities, and the money, and a time machine :) cant wait to see the plans. ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: MattStolton
Date Posted: 12 November 2011 at 4:55pm
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@ Tony: What version of the Tham 15 are you basing your TH and FTH12 on, MKi, II or III. I.e. have you got any reflectors on the horn path to "round" the bends, or is it just right angle bends? I saw on martinsson's blog how the mkii, with some reflectors, gave a general increase in output (see graph), and fuller low end (last but one picture http://www.martinsson.cc/blog/index.php?entry=Showdown-in-Stenungsund-%28THAM-15-&-MKII-proposal%29" rel="nofollow - http://www.martinsson.cc/blog/index.php?entry=Showdown-in-Stenungsund-(THAM-15-&-MKII-proposal) ) blue trace is MKii, versus MKi. Any definitive measurements as to which is superior would be useful, as well as your anecdotal "preference". ------------- Matt Stolton - Technical Director (!!!) - http://www.wildingsound.co.uk" rel="nofollow - Wilding Sound Ltd "Sparkius metiretur vestra" - "Meter Your Mains" |
Posted By: Tony Wilkes
Date Posted: 12 November 2011 at 5:17pm
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No reflectors, I had not used reflectors until I designed the FTH18EX which gets its trials soon, designed to be flattish to 30hz, one built just needs its driver and testing. My understanding of the angled pieces is that they are there more to combat standing waves which I don't think are a problem in small boxes. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Safetyman
Date Posted: 02 January 2012 at 9:58pm
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Are there any pics of your new double 8 inch cab, please Tony ?
------------- Protect your hearing, and feel the music. MU South East Roving Safety Rep. |
Posted By: MarjanM
Date Posted: 02 January 2012 at 10:30pm
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Can that Celestion take 1000W in that box? ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: dlyxover
Date Posted: 03 January 2012 at 12:57am
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I heard these the other day, shocking amount of noise for a small box ------------- Lignum_ww@icloud.com GNKaudio@icloud.com |
Posted By: login4
Date Posted: 25 February 2012 at 11:15pm
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any updates on this tony, could be handy little cabs these ------------- CELTIC SUBSONIC SOUND SYSTEMS |
Posted By: Tony Wilkes
Date Posted: 26 February 2012 at 9:47am
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I am going to try out some new drivers in the Cab due to Celestion raising the price of the 12" to silly levels, I am looking at a Faital units at the moment and if it works out will publish the details. The plans are available if you want them but only in DXF format. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Safetyman
Date Posted: 26 February 2012 at 10:07am
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Looking forward seeing them/hearing them, Tony.
------------- Protect your hearing, and feel the music. MU South East Roving Safety Rep. |
Posted By: oligau
Date Posted: 05 March 2012 at 7:53pm
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I found a good price for Celestion drivers. I'm reading since this summer on which type of horn enclosure I should build for your techno soundsystem. I've considered about every 12" tapped horn options: BFM Titan39, TDA-Audio TH12, SS15 reduced to 12, MTH-30 or THAM12(modeled after tham15). It appears that you basically tried what I was planning to try with your FTH12. Could you hook us with the DXG file plans ? I'll check into finding the wood around here. Compact loud kick action is what I'm looking for, I'm trading low end sub-sonic output for easy portability and efficiency. I may try to model this up in hornresp, i'm a newbie when it comes to speaker math. What kind of power are you using to drive this design ? power/displacement/thermal limits? I'm looking to calculate if my current amp could drive either 2 or 4 of them. It's a Yorkville Audiopro 3000 (2x750WRMS at 4ohm, or 1x2400WRMS at 4ohm). I'm new to the power requirements of tapped horns, I believe some people recommend to have at least 1.5 more power on the amp to have enough headroom. |
Posted By: MarjanM
Date Posted: 05 March 2012 at 9:25pm
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For techno you need bandpass horn subs such as USB's. 3 per side and you will rock :-) ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: oligau
Date Posted: 06 March 2012 at 4:02pm
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Thanks for the advice MarjanM. We are not "only" playing techno, all kind of electronic and not electronic musics too. Is it a lie to say that Tapped Horn enclosures are a form of "bandpass" device too? They are built to reproduce a specific band of frequence, and they need to be feeded with a HPF and LPF (which comes to a bandpass filter). The reason I'm looking at 12" TH designs are simply because they can get smaller and simpler to build than the USB bandpass horn subs. I'm looking for a small soundsystem <100 person outdoor shows. We have a pair of QSC K8 as tops, which from the specs are outputting more than 131db peaks. I believe that 6 USB subs would simply be too loud for those tops. Tony, I'm interested to try a build of the FTH12, given that the Celestion drivers are on sell at reconekits.com. Have you modeled the difference between a 370mm width versus 400mm width ? thanks !! |
Posted By: LjudLahger
Date Posted: 08 March 2012 at 6:51pm
| really nice box! can't wait until you release the plan and maybe hr nr? |
Posted By: infrasound
Date Posted: 08 March 2012 at 7:00pm
Any more info on this Tony?
 |
Posted By: Tony Wilkes
Date Posted: 08 March 2012 at 7:29pm
Yes mate, they are out there in the wild and will be used at public events in the very near future. Quite a few folks on the Forum have heard them so hopefully they will chime in with their thoughts as mine are obviously biased. I have also done a few tests now on sound quality, pairing the tapped horn with a BR box with the same drivers employed, results were interesting and when I get chance I will paste them up. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: infrasound
Date Posted: 08 March 2012 at 8:27pm
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Wicked, will be looking forwards to the results making their way onto here
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Posted By: Tony Wilkes
Date Posted: 09 March 2012 at 8:04am
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To all the pepes that I have promised plans I am going to have to say a big sorry. Due to the unprofessional attitude of a certain driver manufacturer beginning with "C" I have decided to stop any work on designs that specifically used their drivers. * I will try the TH12 with other drivers (a Faital is promising) but it is at the back of the list of things to get done. Tony * please do not ask any further questions about this as I will not answer them :( ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: ultimatesoundz
Date Posted: 09 March 2012 at 12:04pm
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"* please do not ask any further questions about this as I will not answer them"
hi Tony. alot of peeps on this forum look up to you as a senior person in the sound industry and i think its rather rude to make the above statement.
if Celestion has frustrated you with the increase in price on their speakers, please dont take it out on the forum members.
Ted
|
Posted By: Tony Wilkes
Date Posted: 09 March 2012 at 12:09pm
How on earth am I taking it out on Forum Members? It is nothing to do with prices!! OK then I will answer all questions with "no comment" is that better :) Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: MarjanM
Date Posted: 09 March 2012 at 12:20pm
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Why is the new Faital on the back of the list? Have you simulated the new 12N804 yet? Looks promising, but costly. ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: Tony Wilkes
Date Posted: 09 March 2012 at 12:30pm
Marjan, I just mean back of the list of projects that I am working on that is all*. The Faital looks to be better than The Celestion :) Re 804 Fs too low. I will get round to using it properly one day but Neo prices have to drop back a bit first. Tony * I have changed the original post that Marjan referred too. ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: oligau
Date Posted: 09 March 2012 at 8:02pm
Hi Tony, I would still be interested into trying out your FTH12 plans, got the drivers you seems to not recommend anymore over here. I'm interested into seeing how you adjusted dimensions from original THAM15 plans. I'm new to hornresp, I'm reading the fine tutorials available, it would nice to see which data you input to model this box. If you don't want to, I'll keep improving my CAD drawing and hornresp modeling skills further more before trying out my first build. Many many thanks, Olivier |
Posted By: DeeJay_Bamse
Date Posted: 10 March 2012 at 12:32am
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Hello... New here but been a reader on this forum last 3 years..... If you want anyone thats can build och test your FTH12 I can do it.. I have NC machines and can take the drawing as a CAD file... And of course I can measure the resault....
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Posted By: Tony Wilkes
Date Posted: 10 March 2012 at 8:15am
Thank you for your offer but they are already built and tested as are all of my TH designs. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: bcs
Date Posted: 10 March 2012 at 9:56am
| Hi Tony. are you looking to share any of your plans or are you going sell the cabs fully built and loaded. would love to get hold of the 12"tapped horns for size and efficiently. |
Posted By: colint
Date Posted: 10 March 2012 at 10:14am
Bloody cheek! The words "JOG On" come to mind. It's up to individual forum members to decide what they do or not do when it comes to releasing information or plans involving any type of project and if you don't like it please feel free to do the above! I'm sure Tony has his reasons and most of us would accept that without question. ------------- Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes! |
Posted By: Tony Wilkes
Date Posted: 10 March 2012 at 10:23am
Thank you for that Mate, I am quite happy to state the reasons when talking in private, however this Forum is obviously not for my own private scrapes :) I am still bleeding from being called "rude" :( Regards Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: colint
Date Posted: 10 March 2012 at 11:14am
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Sorry for the small rant on your thread just really annoys me when people do that (and a first poster too!) I have no time for rudeness. Personally I find your's and others project's quite inspirational and that's what this forum should be all about. Edit: BTW I think this little cab look awesome and hope you carry on with it
------------- Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes! |
Posted By: JohnnyPyro
Date Posted: 10 March 2012 at 11:57am
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must agree with colin there .. i love reading other people threads , it really amke me want to have a go myself .. but i dont have a foggiest.. so i will just enjoy reading and dreaming .. good work tony.. keep it up mate ------------- Pyrotechnics... its not rocket science, well.... actually it is !! :o) Powered by MC2 & XTA |
Posted By: Tony Wilkes
Date Posted: 27 March 2012 at 12:19pm
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OK just a quick update, I now have the Faital drivers for this box and need to produce a couple of packing rings as the flange on the Celestion is slightly smaller and has I had recessed the baffle for the driver the Faitals will not fit. As soon as it is fully tested and proven that it works at least as well as the Celestion which it should I will publish full plans. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: daryll
Date Posted: 27 March 2012 at 1:10pm
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Excellent news Tony , cant wait............. Daryll |
Posted By: Safetyman
Date Posted: 27 March 2012 at 10:41pm
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Sounds like a good plan to me ! ------------- Protect your hearing, and feel the music. MU South East Roving Safety Rep. |
Posted By: Disco Stu
Date Posted: 27 March 2012 at 11:31pm
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Sounds great Tony, you have managed to make a box even smaller than the Martinsson THAM12 with the same response. How much are the faital units? Stu ------------- All you need to know is: Sensitivity + Power Handling - Power Compression = Max Output My acts: www.myspace.com/thebowiexperience www.myspace.com/scheisseelektronisches |
Posted By: Tony Wilkes
Date Posted: 28 March 2012 at 3:12am
Stu Can only get them from Adam Hall at the moment, if you know someone with a trade account then that should be around £165 + vat. Got mine from Nigel at Lean and he did me a great deal on his last pair. Regarding the THAM12 I suspect that the usual trade-offs will be in evidence, that is that Anders box will be more efficient but it would be nice to do a direct comparison. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: martinsson
Date Posted: 29 March 2012 at 9:52am
I don't know about that Tony, there is only a ~4% difference in external volume, and the FTH12 is this far more proven design.
Intrestingly enough, when me and Johannes was developing the THAM12 we where not looking at the dimensions of the FTH12*, but ended up designing something only 4% off (larger) in size anyway, coincidence? i think not :)
I think you have hit the nail here Tony, you found the point where the performance/size ratio peaked, and seeing as I came pretty darn close to the FTH12, but not all the way, with regards to system volume without even being aware of it somewhat points to that aswell.
In short, we both ended up in the same ballpark when trying to optimize a 12" TH performance/size ratio.
What other 12" TH design are floating around out there ? have anybody else come to the same conclusion regarding size ? (not the MTH-30, and not the danley TH mini)
*/ ...well if I was I would have made the THAM12 smaller then the FTH12, damn the consequences :) ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: Tony Wilkes
Date Posted: 20 May 2012 at 11:53am
Ready for painting with the new preferred driver, it is now seriously light as well as being tiny. :)  ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: colint
Date Posted: 20 May 2012 at 1:31pm
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I love how all your work is so neat Tony it's always nice to see your project posts. ------------- Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes! |
Posted By: Safetyman
Date Posted: 20 May 2012 at 2:15pm
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Looking good Tony. If they sound anything as good as my F212's( which I am sure they will ), you must have a winner there! Don't suppose they will be ready for Saturday's party ? ------------- Protect your hearing, and feel the music. MU South East Roving Safety Rep. |
Posted By: martinsson
Date Posted: 20 May 2012 at 4:46pm
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first class as usual Tony ! I say, those fatials looks the bussines, on a related matter I'm currently looking with keen eyes at their little brothers, the 10HP1020 for use in the THAM10's seeing as there's a fair few candidates in the heavy duty woofer category in the 10" register across the otherwise more common brands. Big thanks for sharing Tony, your posts continue to impress and spoil us. ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: Tony Wilkes
Date Posted: 22 May 2012 at 8:22am
Anders, I reckon that the Faital you mention should do you proud, been looking at doing a 10" but would probably end up being within a few mm of yours so I will keep my eyes open for your version and have a go at that. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: toastyghost
Date Posted: 23 May 2012 at 2:07pm
| Have to say, the full front grille option makes this much more attractive to me - all those large visible flat wood panel areas on the front of most tapped horns makes them look pretty ugly. |
Posted By: jamwa
Date Posted: 23 May 2012 at 3:20pm
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hey tony....really like your attention to detail. What are the performance stats for these boxes...just comparing to MTH30's which i Have 4 of. will these be a flatpack option also did you add any additional support for the extention pole plate... J ------------- Sound, Light, Projection, Display, Cameras and production support |
Posted By: Sheggy
Date Posted: 26 May 2012 at 12:50pm
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Awesome build (again) - I like the way you go for size and efficiency in small packages you're definitely pushing the state of the art. A few years ago I built one of Walt's stepped horns with a Ciare 12 - it's powerful and does good sub but it needs to be folded. Do you think it would be possible to design a compact TH that would be flat to near 30 Hz? I only see designs that are approx 50Hz. I did notice that the driver in my stepped horn tended to flap around at about 400W unless you put an HPF at around 40Hz. Sorry for the thread hijack... S |
Posted By: Tony Wilkes
Date Posted: 27 May 2012 at 8:04am
Cheers mate, I don't know about pushing any boundaries though, I just build stuff that I want to use for myself, great big horns etc are OK for some users but as 95% of folks are weekend warriors like me then compact seems good. There would be no problems building a folded 12" driver Tapped Horn flattish to 30hz just that it would not be very efficient. As most of the TH designs we see on here are for PA use then working to a bottom limit of around 40 hz is a great compromise. This I feel is one of the reasons that Anders Martinssons THAM15 is such a great box. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Tony Wilkes
Date Posted: 27 May 2012 at 9:07am
Exactly my thoughts, could not be having that hence the recess, makes the box a bit bigger but it is worth it for me. ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: Tony Wilkes
Date Posted: 27 May 2012 at 9:13am
In actual fact they go slightly lower than the MTH as they have a longer horn path. Decent output to 45hz and usable up to about 140hz. As for relative efficiency I have no idea you would have to do a direct comparison. Suspect that the MTH will be higher but ?? The pole plate that is used is the M20 type, probably long poles so did not want any flop, I hate to see boxes stuck on poles leaning even by a degree. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: martinsson
Date Posted: 26 June 2012 at 8:47pm
well... you know sometimes people write stuff in forums and you think "he knows what he's talking about..." so guess what ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: MarjanM
Date Posted: 26 June 2012 at 9:37pm
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LOL ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: y2stevo
Date Posted: 28 January 2014 at 9:47am
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Hi Tony sorry for resurrecting this thread but as you know yourself I'm quite interested in your FTH12 :) Do you remember if in your measurements if you were applying any processing to the drive signal? |
Posted By: Tony Wilkes
Date Posted: 28 January 2014 at 10:40am
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Steve, from memory they were flat as are all the TH measurements I have put up :) Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: y2stevo
Date Posted: 28 January 2014 at 10:47am
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Great stuff :) I Stumbled across your Q15, it's the same volume to your FTH12, how would you compare them?
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Posted By: Tony Wilkes
Date Posted: 28 January 2014 at 11:02am
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As good as the tapped horns are they are humbled by the Q15, it may not quite have the sheer SPL but in every other way it is better. Because of its alignment it has to be used with a processor DCX or dB-Mark etc. Ask tomr_29 on here about his experiences, he has run a pair balls-out a few times :) Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: y2stevo
Date Posted: 28 January 2014 at 11:40am
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Thanks Tony, I'm weighing up what would suit me best for super-compact live sound rig. I've no doubt it sounds great :) How high have you low-passed the Q15 before it starts getting honky? , what sort of SPL advantage does the FTH12 have, i'm wondering if you ever had a chance to measure both cabs? From reading would I be correct in assuming that the Q15 drops lower but the FTH12 gets louder from ~50Hz and up? :) |
Posted By: Tony Wilkes
Date Posted: 28 January 2014 at 12:29pm
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Steve the Q15 is usable 35-500hz it only loses out by about 3db on the TH. It also has a very clean sound and has plenty of slam and generally to my ears loves to play tunes instead of being just a drone box. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: y2stevo
Date Posted: 28 January 2014 at 12:42pm
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That's mighty impressive so :) In that case the Q15 might be what I'm after, My intention would be to use a smaller 10" top above it for mid highs so the Q15's higher x-over might make more sense :) Thanks Tony!
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Posted By: Tony Wilkes
Date Posted: 28 January 2014 at 12:57pm
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I use mine with double 8" tops and reckon that the combo would take on ANY commercial equivalent. Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: t.geessounds
Date Posted: 28 January 2014 at 1:02pm
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Tony Wilkes can you please link me to your double 8" tops |
Posted By: y2stevo
Date Posted: 28 January 2014 at 1:33pm
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I Assume this is them? :) http://forum.speakerplans.com/q28-finally-finished_topic75655_page1.html
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Posted By: Tony Wilkes
Date Posted: 28 January 2014 at 2:21pm
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Thems the little buggers :) Tony ------------- www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE) |
Posted By: y2stevo
Date Posted: 28 January 2014 at 2:24pm
| Class looking yokes! |
Posted By: Safetyman
Date Posted: 30 January 2014 at 1:24pm
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Is the weight of your coaxial 12, about the same as this, or less, please Tony ? ------------- Protect your hearing, and feel the music. MU South East Roving Safety Rep. |
Posted By: tv00
Date Posted: 24 November 2014 at 5:47pm
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Has anyone got the input for hornresp for this? The plan is out. I have to come up with a plan tonight, thought of a fth12/tham12/18 combo, I like the wider opening, but I have to calculate what gives the best results for rcf lf12n401. This is a political matter:-) ANY HELP will be appreciated! I have to finish the design by tonight so the carpenter can order tomorrow & cut wednesday, it's a little "workshop" thursday for a politician who likes speakers. Promoting speakerbuilding in Cph:-) I have 4 pcs rcf lf12n401, so doing a proto is about time!
------------- www.facebook.com/babysoundsystem |
Posted By: martinsson
Date Posted: 25 November 2014 at 6:16am
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All I have are the original THAM designs, the platforms on which further steps can (and should) be taken, start with any one of them as a baseline and then take it further. Here's a link to all published THAM designs : http://www.martinsson.cc/blog/static.php?page=static140228-173656" rel="nofollow - THAM family overview I know it might be to late, did not see this in time, best of luck. ------------- Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/" rel="nofollow - http://www.martinsson.cc/blog/ |
Posted By: tv00
Date Posted: 25 November 2014 at 8:16am
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Thanks again Actually it's not too late yet, she sent me an email that she won't need it until noon. BUT I've been playing around with loudspeaker wizard in hornsresp, which seems to be the easiest way to test things, results can allways be folded tham-style. Nevertheless it's a hard driver to use in a tapped horn, I'm curious about the result! ------------- www.facebook.com/babysoundsystem |