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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Bud, you might be correct and “spotting” a cone might have a positive effect and I most likely will send you are driver for your torture after I found a reasonable contender. Still, what you propose and what I would like to experiment with live in di...
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I’m not convinced at this point that it is good – I need to see it more in context of everything else - but the initial results are very promising. What I do now, I keep the compression Fane 8M in horn but I very dramatically increase dumping of it...
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I wish I could stop the US government from selling AK47s in any corner shop in the US. If you give a monkey a gun, most probably he will shoot himself. If you give a monkey an AK47, well that is different. He will take anything he wants and few thi...
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Thanks, Eduardo, very interesting. The YL 75000 has no phase plug and 70Hz with 1” trout. It look to me like a conventional diver. Which beds a question: if to reduce compression with our classic drivers, loose plug off and reduce power then can we ...
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Nope, sorry, it does not make any sense for me. The use of Rowland amp I guess is fine if it being use for testing of the filters. Still if you use high-pass for your midrange horn then what resistor does in your RC filter? A first order filter, rega...
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[quote user="Jeffrey Jackson"] first, basshorns... the basshorns that I posted here some years back are my straight ~50Hz horns (my memory is fading)... they are 8' long... then rear chamber.. mouth ~ 3' x 4'... throat ~8" x 8"... rear chambers of va...
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hi Romy! Good thought with the current on the damping...
I had another thought. High excusion might create lots of distortion in a compression chamber. No surprise.
But in my oppinion the sizes are often not in proportion. Lets calculate......
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[quote user="Romy the Cat"] Make an experiment, and I will simplify the case quite assertively. Take a typical compression driver, cross it at 800Hz, second order and load it into a proper contemporary horn (Tratrix or JMLC) of 300Hz. Listen that hor...
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Yes, Rulit does try to push envelop of something. He does exiting projects but I do not know how all of it manifests itself in actual results. I said that he pushes the “envelop of something” as I do not know what this “something” is. I never h...
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[quote user="manisandher"]"A little information is dangerous. I find it incredible that people with absolutely no understanding about the technology and its application feel the need to speak with the authority of an expert. The HDCD processes "P...
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When many of your will experiment with building and listening your own horns and spend countless amount of time by sketching a configuration of your new horn assembly you then might come to an observation that Macondo Upperbass topology is very s...
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[quote user="Romy the Cat"]I very much do not want to sound like I am expressing sarcasm. [/quote] Romy, I don’t treat your comments like expressed sarcasm and I never did it. In my view, your site is the only place in Internet, where fruitful discus...
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Tweeters Alignment - what is a bitchy subject! I was mildly complaining about it for years and during the last few weeks I complain about my own tweeters - primary because the very same issues of the imperfect alignment. This there is a derivation of...
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[quote user="cv"]AlloI had a theory that the bug screen was helping to damp horn modes/refelctions caused by a mismatch between the S2 internal flare and the horn flare rate. I have 340Hz flare JMLC horns, which may be expected to give less of a mism...
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[quote user="el`Ol"] Hello Romy, have you searched for explainations for these observations? Are there others who made the same observations and tried to explain them? Does the damping factor play a role?From my limited experience I can say that ...
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Back in end of 90s, we read articles by Thomas Dunker, Joe Roberts, Bruce Edgar, and many others (some of them were designers and some of them just publicists) who were trying to persuade that horns are some kind of advantageous topology and that...
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I have to admit that I was experimenting last night with Pacific’s Low Level Extension and it was not bad at all. It would not be my last words as I would need the whole system up and running to see what is going on – the region where the Low Level E...
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A six year ago or so when I played with different compression drivers I bought a pair of Dukane 5A540 and at that time I was not able to find any information about them. Nowadays I was pointed out that an eBay sealer “ bayleafs” actions a pair of Duk...
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All that I will be saying are the subject of my own experience with horns and my personal observations. You shouldn’t agree and most likely you will not. That is fine with me. I have lot of reasons behind what I will be saying and opened for some cla...
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Romy,It is interesting that you say that the problem is well known. I discovered this application in 1972, while trying to come to a solution for the sonic insults being supplied by a pair of Ohm F speakers. I eventually got them to act somewhat as W...
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Low power set should not be a problem. The Unity was fine with SET amplifiers, so the Synergy should be no different, if not better. The Synergy horn is different than the original Unity horn. There are some very specific improvements in the Synergy ...
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Fully armed with my new knowledge I made today an interesting experiment. I listen Remedios as is this amplifiers running for 35 minutes and then re-listen them again in 2 hours. It was very very convincing, very self-evident but slightly not what I ...
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[quote user="morespeakers2"] I am not against trying the S2 in the future but I was just curious about the very small details to cause compression drivers make their different sounds before running out and trying any more drivers. I upset a few speak...
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[quote user="decoud"]Since the 8M is now no longer to be had anywhere, for love or money (delighted to be contradicted on this), would people care to suggest alternatives for precisely the use Romy puts it to: driving a round, 3-4 inch throat, upper ...
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Alphahorn seems to incorporate the BMS 4592 coax compression driver. Similar CD horn is already incorporated in the CODA speakers:http://codaaudio.net/Rx35.3-way_full_range_system2.0.htmlThe guy from Austria probably gets the German BMS dri...
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[quote user="Romy the Cat"]You do not see any explanation is because you are not accustom
to think about explanations but wait that explanation will be brought to you.
Here is a homework to you: provide answers to the following questions:
1) Wha...
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[quote user="Saturntube"] Anyone has some sort of comparison between compression drivers against cone (dynamic) drivers in a this huge mid bass horns, or even upper bass horns. All I heard are this guys from Germany with the out of reach expe...
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[quote user="Stitch"] I wanted to do that, but they are so rare and I found nobody to visit. [/quote] Well, let me give you my version. I know ML2 quite well and I made a number of people to buy it, not soliciting them but rather demonstrating to t...
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Well, it is certainly not our objectives to define were one or another driver, in this case TADs, would punch up in regards to other drivers. I presume that any driver if a sufficient amount of time, effort and love invested might blossom with differ...
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I would like to make a few comments about the entire idea of those expensive Japanese compression drivers: GOTO, ALE and alike. I have voiced the near-similar outlook about the irrational exuberance that some audio people express about electromagnet ...
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