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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="audiofilofine"]After several tests of listening and somehow I felt that the best solution is fully closed. The heat is part of the project and not to damage the diaphragm, also the hot air is compressed better than cold and thus distorts...
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I have to admit I have no idea and did not experiment with matching horn loaded tweeter to big ,direct radiating "extended range' MF channel. I'm not sure it's doable. I was speculating on the reasons why the owner of Moscow instalation switched from...
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Hi Amir,your english is just fine.I think that there is an additional factor that your formula needs. Sense of pitch is not determined acoustically by "Q" unless we are talking about pure sine waves. When we add the overtones found on real musical in...
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The closest to date I overlapped cones and horns myself was waaaay back in my time with Altec A7s. But I have since then and up to now heard many fine "hand-offs" from cone to horn, and my current project speakers hand-off cone to (very fast/short) h...
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[quote user="MINGSU"]Here is an example on how to use GOTO 505TT driver. Use the GOTO S150 horn and crossover at 200Hz to 1kHz. If you like to use other type of horn and crossover point, you are on your own. Maybe good or maybe not but that is you...
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Hello everyone,I have excellent news from Fane. After checking their old stock, they have now found and have confirmed that they have sufficient old stock of the 8 ohms or 16 ohms voice coils to offer everyone ordering a choice of 8 or 16 ohms.Qu...
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hi Dominic i made myself the same question regarding the high frequencies in the orphean horn. the reason is probably because this horn has no compression, and the horn length is not so deep, and the exit diameter is 2 inch, quit big. If you read my ...
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I completely agree with what you said. To tell you the truth I was already very satisfied with sound, but I just wanted to make that powerful triode amplifier - I really don't need it. But it's nice to have it. As you know in this hobby it's not so m...
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Romy, Our bass driver has a 12v field coil motor, it developes just over 20 kilogauss flux density using a low carbon steel pole piece. The exit diameter is 4 inches at the moment. The diaphragm is 6 inches in diameter and mad...
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[quote user="JLH"] In addition, the idea of an ultimate horn profile does not make any sense. Each and every horn profile has its own strengths and weakness. Depending on your goals, and the drivers you have, one profile will be "bett...
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It is a good question that I also asked when I saw this speaker. Afterall, everything being equal using the same materials for the drivers is more optimal from a coloration standpoint. My guess is cost. They already had splurged for...
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Haralanov, I've spun this thread off the "Speakers for a Powerful SET" thread, as you suggested. I took a couple of pictures, but I can't figure out how to upload them, just yet. I'm also not sure what you could see from the outside, anyway.As for th...
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This stuff has been stuck in my mind for some time now, working around in there against my ongoing experience, against what I am now running. The goal is a more dynamic presentation with better spectral balance, with the emphasis on LF and [more] cor...
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Mani, I am not saying that any driver (let alone any collection of drivers...) will ever be entirely "correct" in terms of acoustical instrumental timbre, no matter the frequency range it attempts to address. I am saying that the sonic "weight balan...
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I would have to believe there were big sonic gains in store before I went through the trouble of designing, building, testing, (and re-building) and integrating giant horns in any house. Romy, as I recall, you already have enough 15" drivers on hand...
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I agree that the right 15" is a nice size for mid-upper bass. I suppose yours are the 15" Vitavoxes that were made to go in boxes? Of course, the usual reason for ports is to "extend" LF, and most modern LF drivers are used in something like this, ...
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OK, I have one foot back in the water again, a hand-me-down monoblock from a "well-respected movie sound producer", to whom I am connected through dear friends. Like most "sound professionals", he is fairly dismissive of the way "we" hi-fi nerds go ...
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Decoud, you will only know if you try it, but my long experience with the Lowther makes me doubt its suitability for your situation. Perhaps there are other, more suitable single drivers, I don't know. While I have no idea at all what you want to w...
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Wojtek, I do use 8 Ohm drivers, and I am mildly curious about the "pattern" thing. As I said in posted responses to Bud, I +/- accept the science but suspect the implementation in this case; however, I would be happy to give a listen...
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Paul,The two channel system is separate from the HT system - the gigantic plywood folded horn subwoofers support the screen but that's the only connection to the HT audio system.The HT system is three Orb Audio 8" powered subwoofers, 3 x Gallo Ref. S...
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Charlus,As you expressed here this would be an End of life speaker project, and I am sure you will not fancy any other speaker once you start with this, even Vox Olympian etc. Yes it will take a lot of money and a lot of time, but you will have fun...
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Hello guys! I got an old Coral X-VIII from Japan. Its an Onken enclosure with a 400 Hz horn. And I want to give it a second life. The enclosure looks already like new. And the question is about the crossover. What would be the theoretical best points...
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to get worthy advice, perhaps you could share some info about your present system and musical tastes, also what it is you like and don't like about your present set-up, and how you'd like to change it, beyond "flat + extended highs". If you have rea...
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The best midrange comes from compression drivers, it has that minuteness, transparency and dynamics that no other topology can offer; the main problem with them is that they only cover a very specific mid frequency ran...
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Romy, the first time that I noticed that the speaker wires are very important to the sound was when Steve put some very expensive audiophile wires in place of our normal magnet wire. I walked into the room while familiar musi...
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[quote user="drdna"]Looking again at the EdgarHorns, the placement in the room seems nearly optimal and they are now properly time aligned. Looking at the phase of the individual drivers and listening to each of them individually revealed that ...
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My a-musical woes, mentioned briefly above, were traced to the ML2s' fading drivers. This report is written after the 6N6Ps were repalced. As it turns out, the TAP did not figure into the problems, and minor system changes do not&nbs...
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Greg, I have written about my "DEBZ" speakers several times at this site, including Post ID 3269, early in my original Lamm ML2 thread. I mention these speakers now to compare what we are aiming at here to what I have already done, wh...
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Perhaps there are ways to horn load Lowthers that do not screw up the sound, but I don't know of any, and there are other reasons, as well, for not asking LF from Lowthers.For me the best thing about the high-pass-limited Lowther DX4 in OB is th...
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Robin, your explication already includes a great sense of where you are and what you are after, and this should save you a lot of time. I like Romy's ideas as time savers, as well. On the hardware front, given what you say you are looking for, I thin...
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