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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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After two days of sanding the 6th and 7th sections and the back chamber of the both hors got their first prime coat. I need before tomorrow bringing the horns in my listening room to have all section sanded and primed. The idea is to minimize sanding...
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[quote user="Romy the Cat"][/quote]I have been strategizing with the lift up theories next weekend. I hope my carpenter will finish all necessary preparation and reframing works and we will be on schedule. I found a local rental company a few mile fr...
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[quote user="Romy the Cat"]I am more and more inclining to finish my horn in the textured paint of the color of my room. However, lately I have another “idee fixe”. My listening room has a very pleasant light pattern, something that was here before a...
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[quote user="Romy the Cat"]Yes, they are Fane 24” bass driver with 24Hz primary resonance. I am waiting for the final sound check; the final is long time away. I will be testing today different back chamber size and different drivers. I have a few Al...
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[quote
user="koh123"]Upon reflection I forgot that we ultimately listen to
the sound produced and not the beautiful computer simulated SPL profile.
So I went back to old school thinking and re-generated the mid-bass tractrix
horn with the mouth ...
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Romy, Is there a consistent effect from too large/too small and how is it analyzed? Working on a new horn that I had turned by a fellow in Hungary and have made my back chamber so that I can easily manipulate the volume but have no idea of what to e...
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The usual basic takes are: 1) Try to prevent resonance by using inert materials and/or construction. 2) Change the resonance frequency. 3) Spread it around. Basically, you won't know how something will affect your sound until you play with it, to g...
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[quote user="msaudio"]If you look at the picture second from the the top, you will see 2 woofers mounted in front on the baffle, notice a 2 piece horn from the baffle. Klangfilm never had such a horn, they would start at the baffle and curve out. The...
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I see this project as enhancing the value of the property, although I can't see the use of property at all unless you can do what you want w/it without worrying what the next owner will think or want-may as well always just rent if you can't do what ...
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The most interesting sensation was ironically the very best sound at the show.
Friday night around 2AM I found myself completely lost in the Nevada desert approximately 40-50 mines from Vegas. To understand how it was it should be explained that the...
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This is from BSO web site. I do not post link as they move it around. Go to BSO web site and find Digital Music link, or tab, or whatever... Here is from BSO web site:
The BSO Digital Music Service allows patrons to purchase and download from the BS...
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[quote user="steverino"] Romy said "When I had my magnetic and EMI probes running with open PP2000 cover then the probes showed me that I was in the middle of Chernobyl Black Forest. I think the PP3000 even more poisoning..."
Now I begin to u...
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Wojtek wrote : "...haven't seen any other fane 8M for sale in months anywhere..." I just checked and found a pair of 8Ms on eBay... item numbers : 310021284113 And : 310023127933 (I hate it when a pair is broken up over two separate listings!). You s...
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[quote user="Macman"] Anyways, seeing the back chamber of my midbass horn, you would say that its way to big, no? [/quote] It is very hard to say. You need to measure and to publish the resonance frequency of your loaded driver and view it in context...
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Oh well.. I'd really like to save the horns. I appreciate your offer to help out!Still no measurements, but this can start the trouble shooting...CONSTRUCTIONFirst I refreshed my memory of exactly what I built. They certainly are far from being copie...
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[quote user="Kerry Brown"] Yesterday a friend of mine brought over a CLIO analyzer and we graphed the impedance vs. frequency. I was surprised that the subhorn measures like a ported box tuned to 50 Hz ! [/quote]Yes, this all is very explainable. The...
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Collin,
I do not remember that I wrote that Trios are “duller”. In fact I do not remember I ever wrote anything about Trios in comparing to my current hors. Furthermore, my “Macondo” derived for the Trios and practically fully inherited the Trio’s ...
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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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Another very quick post - I have guests arriving from Japan in a couple of hours. Will respond more thoughtfully when I have some free time.University Dean plans: Mouth - 1080 in^2Throat - 78 in ^2S(d) - 132.7 in^2Compression ratio - 1.70Path lengt...
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http://goodsoundclub.com/Forums/ShowPost.aspx?PageIndex=1&postID=6011#6011
The back chamber is very important...about half of the drivers energy goes back there so it needs to...
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The first and the bigger thing that I like about them is that Anima is trying to use the vertical-horizontal configuration where the bell of the vertical horn serves as frame for horizontal channels. I love this idea and had a number of my own th...
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49Hz To 52Hz will be your peak, so the best you could hope for would be 3 hz below that flat with a perfect tuning of your length of your horn and back chamber of your box housing your woofers. If you shoot for the free air low res of your design, of...
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I spans last night some time measuring all my Vitavox 15-incers drivers, inspecting them, matching them and trying to find perfect pair. I would probably get involve in Ménage à trios and will sleep with them if I were able to arrange it. Since the ...
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[quote user="Murataltuev"] anthony wrote: Murataltuev wrote:So, the question is still opened: how to get 300-400hz.Perhaps give the JBL 2169H a try. It is supposedly very good from 300Hz to 2.2kHz, but I have never tried it. Use it in a sub 200Hz t...
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The ideal horn system would have to be well integrated into the room, acoustically as well as optically/cosmetically. As far as a commercial venture goes, I believe that Marc Henrys "La Grand Castine" was already (except for the ULF dipole panel) ver...
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Romy, it is the UB horn that I need to first tune. Have found an earlier post of yours where you describe your process and will roughly follow it. First thing though is to measure an impedance sweep of the horn sitting in place to get the base line...
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OK, my carpenter has finished today his part, go his final check and the project is officially over for him. Some minor things I will ask him to correct next week. Also I will ask him to put a narrow slightly darker border between horn and the wall, ...
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Ok, I will share with you some ideas that I have in my head how to deal with horn decay asymmetry. They are in a way the further development of the Haralanov’s idea of acoustic diode – the brilliant concept from my point of view.
Before I will...
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Herman,
What you describe is fine. Over the course of last years I had a number of people who report identical things to what you do. Even if you change volume of back chamber and move resonance frequency then sound will change but it most lik...
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[quote user="Joe Roberts"] Interesting concept but let me point out a few considerations.
The diffusor does performs a mild "equalization" function if you want to call it that but it is also an aid to dispersion. It is light "EQ"...3dB might be abou...
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