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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="Romy the Cat"] A few years back I wrote somewhere that I “developed” a semi-mathematical formula according to which an acoustic system’s result might be absolutely objectively weighed up. I did not go very far with advisement of this eq...
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From a company called CH Audio Design in Florida:http://chaudioroom.com/Sculpture.htmlCH Audio Design Sculptures Loudspeakers, with Altec 288 high frequency and 515 low frequency drivers.A fully horn loaded two way system. Using the ceiling and adjac...
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This is very interesting, I was thinking of such an option given the existence of a basement, (I do not have that luxury, but I have a concrete slab).
The idea that the driver is actually closer to the...
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[quote user="Marc HENRY"]hi all,thanks for your interest !yes the frame is curved, HF and MF are //yes there is a phase plug in the bass horn. This cover 80-300Hz.there is a separate infra-bass section, covering 20-80Hz.images of the bass phase p...
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Romy,there are box-speaker manufacturers that use exactly this approach, so nothing is so new about it. I think Karma and Evolution Acoustics speaker (also layered construction) come to mind, see below.As to CNC routering, it needs a CNC cutting ...
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In this blog there is information and links about the Danley’s new TH-SPUD tapped horn. http://hornloudspeakermagazine.blogspot.com/2009/08/tapped-lab-or-something-like-that.htmlIt is so “tapped” that it is painful to looks at it but they guys cl...
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The idea of conversion of “midbass hanging thing" into upright flower horn is brilliant in my view. To curve the leg of the horn to offset the sender of mass and the horn might be opening up as nuclear bop mushroom. I wonder how good it will with 500...
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The idea of conversion of “midbass hanging thing" into upright flower horn is brilliant in my view. To curve the leg of the horn to offset the sender of mass and the horn might be opening up as nuclear bop mushroom. I wonder how good it will with 500...
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nonono, romy, there is no 500 to 800 pounds horn in my life, mjloudspeaker is and always has been different philosophy of what everyone does really, always simplified and yes lightweight construction, (we did the traditional way, it is full of ma...
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Unity horn Patent link. It is very easy to understand how each segment of the conical loads the different frequenices.http://www.pat2pdf.org/patents/pat6411718.pdfU.S. patent 6411718...
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Lbiefferies7 wrote :
"... I am interested in knowing the material that you made these out of... I've read you mention doing patents, so if "mum's the word," I can certainly respect that..."
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Hello Romy,The tapped horns were easy to construct so I made them while I was working on the midbass channel. I can't really comment on how good tapped horns are because I have never heard other 20-35hz capable systems... it does provide amazing SPL'...
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I do not know what is meant by “close bottom” or “open bottomless”-- please expound?I do not know of importance of enemys death to this topic. There is a long thread in the subwoofer section of "devil audio" about tapped horns. John mentioned gettin...
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Yes, my idea is not just optimistic but unrealistic. Returning to the question of technology for mass horn production, what about having an armature made of a coiled steel ribbon, the coiling being perpendicular to the plane of the ribbon. Thus the c...
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where are you? what are you trying to do? (cnc one pair of horns out of "something," build a mold, build a series of molds for different size horns)? i'm interested in doing the last of the mentioned options, and building molds w/ cnc for differen...
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[quote user="Romy the Cat"]Jessie’s comments about my idea to position midbass straight horns from basement, upper- firing and his warning that the horn will get converted into a giant garbage can made me to think. I did not think about it but it is ...
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If you look that Jeffrey Jackson’s midbass horn then you can see two pillows stuck into the horns belly. Let presume that the pillows were placed there in purpose. So, here is homework for people who would like to flux their horny mussels: what is t...
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I'm a new reader of your website and one subject which interests me a lot is that of upper bass horns.As you have noted time and again (with which I agree almost completely, after reading a lot of 'research' [many claiming to defy the laws of physics...
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Interesting that someone has mentioned Tannoys in context of the upperbass thread. I still wait that someone with sane taste and unadulterated perception of results would load a LF section of Tannoy Red or Silver into a front-loaded 70Hz -80Hz horn a...
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it would be nice if somebody who knows a thing or two about mathlab and pspice would develop a accurate model. in pspice one could include the crossover in the simulations....when i tried your recommendation with s2 and 3uF cap my "basshorn" ref...
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Very nice project you have, an inspiring effort!Loking at the pictures it seems to me that you are using felt in front of the chamber front plate to seal the coupling between the horn and the chamber?This could cause some problems if the felt sheat i...
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I've continued thinking about construction since posting my previous laser-cut hallucination (titled "Painless mid-bass horn"...). Thinking mostly about the transition from round driver to rectangular horn... I don't know how...
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[quote user="Romy the Cat"]It might be a good driver but the horn section of it is very much compromised to begin with. If I have it I would consider substituting the original TAD horn with my own spherical horn. It might be difficult as it might be ...
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Hi Keith,That is an interesting way of setup the S150 horn. Most of GOTO setup that I have seen set the S150 high and point down to listening position. All of them crossover the S150 + SG505TT at 200Hz to 1kHz range. I wish that I h...
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[quote user="hagtech"]Romy, I don't know what it is, but something bothers me about the way the upper horn hangs. All other drivers are supported from bottom, that one from the top. This is just gut, but it doesn't seem right to me. ...
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When posted the finial post in this thread I was mocking the ugliness of the “Hut on Fowl's Legs” horn. How little I knew!!!
There is a company in Japan: Kubotek. They Manufacture Computers, Robots, Inspection Systems and… some large sound reinforce...
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Angelo,Although the idea might be looks like an “elegant” at a hi-fi shows but unfortunately it has a lot of pitfalls, the terminal pitfalls for my point of view. This is only my opinion but still:1) LF channel- the bassmaxx. I never had or hear...
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[quote]Also, Jessie, there is another very important point. A construction of your systems should not be a pure DIY efforts or it will be just another stupid DIY project. Your should have none-DIY objectives and use those horns to resolve those none-...
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[quote user="cv"]Obviously it makes shipping and transportation a pain. Uncut implies sea transit which will take a few months. Martin mentioned that he almost didn't manage to get them out of his estate car, which would have resulted in the coolest ...
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Hey Rom etal.I'm entering into unknown and difficult to intuit territory for me.I aquired a pair of very large constant dirrectivity horns EV hr9040 a, a little while ago and i now have a pair of jbl 2420's to power em. I haven't put them to gether, ...
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