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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="oxric"]
Well Jessie, it looks like your wish has come true. The Vitavox site went live at 9 a.m. this morning. It has very interesting implications for the compression drivers landscape in that it suddenly makes buying a hi...
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Hi Greg,linkSearch the site and you'll find that Ulf has created a upper bass horn using the aforementioned TAD 1201's.I also own a pair still in boxes waiting for the weather to warm up enough for me to start some enclosures and horns for.My origina...
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Show Report PiS Festcomposed by Johan Dreyer
This show was held at the Rama Sebo convention centre in Freetown on April 30 and May 1.Unfortunately my kids played with my camera and destroyed the photos.Highlights were:JBL announced that they were s...
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[quote user="Romy the Cat"]
el`Ol wrote:I think they could could make the sound more pleasant with an overkill of second harmonic distortion. But for people who prefer that kind of sound a relax-horn like Anima would be better anyway. No real solut...
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The EdgarHorn Titan is a very well made speaker, but I have identified in it a limitation in the midrange where the frequency response may not be ideal. This will become clear after I have analyzed the speakers with RTA.
Thinking ahead, I want to...
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As the builder behind these horns, I can answer some of your questions. It's true, I was primarily focused on the woodworking/building side, and now I'm experimenting with amplification and crossovers. I can't speak authoritatively on those subjects...
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[quote user="zako"]Recardo,,,,its obvious you dont know how to read...soon all schools will also drop cursive writeing,,,how will the kids place the signature on a document,,,print it? Your luckey a didnt write in russion,,,offensive would be if i ...
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Listening my Altec 21S, even for movies, I do detect that it has some kind of lower MF problem, somewhere within 500-2000Hz. Here is the dilemma, what to do with it in 2–way speaker? Pretty much nothing… Since I use the original Altec 19 crossove...
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I do not know if it was because economy, because the Japanese events early on this year or because any other reasons but there is a lot of Goto drivers for the last couple months on used market. The prices go down and it looks like nowadays the G...
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Jbl came out with a new type of horn design a few year back and it looked like it had alot of good features. The top wall of the horn was curved up while the bottom wall was curved up then down very steep and it was still a 93-46 degree horn. You cou...
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Moreart Most people on this site only badmouth things they don't understand. From what i have read the last few years on romy's site, there is a leader and a bunch of follower's that have no clue of audio basic's in sound reproduction. The leader j...
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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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The direction of lansing was the main factor of speakers not W.E. Just look at the phase plug on the W.E HF drivers and look at the phase plug on the lansing Hf drivers this is were it all went down hill. Your mid and Hf drivers from lansing took the...
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Just some scattered points:1) I gather the Acapella plasma tweeters have a catalyst so you don't get the nasty oxides/ozone etc. Got some old ionofanes on the way so will know soon how well they freshen up the room... They are self-amplified so ...
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[quote user="Dominic"]I'm liking lately the idea of getting a chinese 845 based SET off ebay. Point to point(less fiddly modification), there's a choke coupled one available now, umm, 10 or so watts for under a thousand dollars, you know that sort of...
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Vitavox S2 does OK up to 12.5K ("strong, clean and in character") on it’s center but I never use this driver pointed directly to me but rather at good 20 degree off. (I hardly can tolerate any compression driver point directly to me). At my angle the...
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[quote user="Paul S"]Merlin, won't you at least put your amp in some sort of meaningful context, because it is a waste to continue this thread if you just treat it like a pissing contest.What speakers do you use? What sources, etc?&nb...
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[quote user="Horn Savant"]
audiofilofine wrote: Horn Savant wrote:Final exit ~ 1M x 2M crn loaded (yielding 1/4 given mouth cut-off frequency)With 416's bass can be devastatingly spectacular !The general public have no concept of the efficacy of la...
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Several years ago I down loaded a print from a site long gone, only to find a modified version of it on Jeff Robinsons site. The print was for a folded horn of manifold sections loaded with a 12" speaker only , and the text is in Hungarian. The print...
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Hi Romy,Its an Altec 416-8A driver in a ~100 Hz exponential horn, Jbl 2441 in 350Hz tractix, Aurum Cantus G1 tweeter and Eminence Definimax 4012 HO in ~30Hz Tapped horn.I just hooked it up and the highs are promising but I thought the lower end (200 ...
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Rakesh, I do not know a lot about the audio trivia. What I do know that in the world I live and I understand the tractrix curve introduced Bruce Edgar. I thought that tractrix curve was described by French. The tractrix curve is twisted and not strai...
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[quote user="mats"]I have found the T90A to be reasonably in-offensive with JBL 2435 Neo/Be compression drivers. I use them with relatively small caps, currently 0,3uF. The effect is a welcoming of a higher frequency palette that to my ears does not ...
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It is a shame that I keep finding threads about a 300Hz compression driver channel, that ends abruptly. I have been trying with a not-so-exact Goto S-150 replica (~1.7m deep, 75cm diameter mouth), and I know of another fellow in Sweden who tried the ...
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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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I too want a monitor speaker to play with, especially for amplifier experimentation.I put another 4" Fostex in a sealed "box" (globe actually) and crossed it over at 150hz to one SS 25w/8565 on the side. Wishful thinking? -Yes.About 88-90dB sensitive...
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At last weekend's HiFi Wigwam Scalford show several members brought together various elements to make this 5 way speaker system.[IMG]http://i254.photobucket.com/albums/hh107/pure_sound/communalsystem.jpg[/IMG]Picture courtesy of Alfie29021. Raal Amor...
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The speakers i've got are JBL studio monitors using a 2420 (118dbwm 16O) on top and a 2231 (93dbwm, 8O) on the bottom, which already accomodate bi amping, though like i mentioned a midrange driver would probably be a good idea and so a six way amp wo...
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then the idea of amp bypassing is relevant to the "clean signal" discussion. But regardless of the measured voltage out vs. driver sensitivity I suspect that there is too little of something in the way of drive and control between a&n...
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Here are a few answers1. a, 84 Hz b, 4.8 inches square c, Hyperbolic exponential, T 0.8 1/2 Pi d, none so far on upper bass horn. S2 and 2405 have series capacitors feeding them. e, Eminence Kappa 12. 4. Both tweeter and S2 ca...
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The more msaudio trying to “criticizes” my projects and expose his “rational” the more I feel a need not to ignore but actually to laugh. When some people without a sense of perspective or reality run in stadium then they might feel that they are ahe...
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