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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Well, why not go 1st order with those little "woofers"? And I suppose you will be glad that you've isolated the MF, too.Unless you just get lucky, it looks like the MF/HF XO might be dropping. I am not familiar with the 2105, but dependin...
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Actually the thermal efficiency or inefficiency is not the problem. It is the condensation that occurs when a cold plane meets a warm one. Warm air vapour WILL condense on the colder plane of the attic. what is in between is your wooden horn structur...
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Romy wrote:"...I use 10” but they have free air resonance of 19Hz. Not any of 18” drivers have such a low resonance..."Well if we can believe the manufacturer's spec sheet, it is possible to get close; McCauley claims a free air resonance of 20Hz for...
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Maybe this is a mic problem, or a Sunfire problem. But, like I said way back when, the raised floor sink is not only the 5 Hz structural/footfall resonance, but it is uneven broadband + & - with respect to hi-fi, and the helluvit is that your ho...
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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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[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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[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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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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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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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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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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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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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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Hello , Ive just came across this site , Im an audiophile from Chile . So I decided to join and learn from here . Sorry if my future posts doesnt make sense 100% , it will be because English is not my first language, so youre warned . :-)My last audi...
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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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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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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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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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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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HI "Hifiordie" I want to tell the readers here that this guy is seriuos and has some serious talent.Unluckily for him he has been bitten by the same insect that got us and is obsessed by horns, please do listen to Romy and try to balance your life b...
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I no doubt fall into the category of the 70%. My playback has not been as satisfying as I would like. Many of us do not know where to turn when we hit a brick wall with extracting the best results. The default reaction is to look for a piece of equ...
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Three problems with the Scan-Speak are the low X-max, the built-in response curve, and limited power handling. It will be interesting to see how you juggle these issues if you do use these guys for LF. Obviously, if you bias against the natural ris...
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Romy, it sounds like you are well into this, already. We used to use extremely sheer silk with our "secret" doping formulae. The key is to keep it as thin and flexible as possible. Today, I would look for resin/glue with "fibers" in it to bridge t...
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