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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Bill, the result you or anybody else gets with resonating surface of the horn if NOT what I was talking about. You and Jessie recognized in what I was saying some specific problems of your horn but those problem are from very different reason. The t...
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[quote user="Markus"] http://cgi.ebay.com/Bass-Horns-for-Ale-Western-Electric-JBL-Altec-Drivers_W0QQitemZ300388291899[/quote]
I have seen it and I do not like it. I applaud to the efforts but the pictures of horns do not make me aroused. 47 f...
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[quote
user="martinshorn"]So what was next...
They build the DAC, patented the clock... ok.
They build their own preamp. Fully descrete class-a balanced,
john curl wouldnt do it differently. Nice. Low and adjustable gain - very nice.
Constant im...
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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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Again, moving the speakers last night I felt that I really would like to move the speakers closer to the mid of the room – the further the speakers from the back wall the more interesting sound. There is another “again” in what I felt last night. I t...
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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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[quote user="moreart"]Hello,i can´t help it,take a calculator and calculate,read the links and see the measurements and simulationof the Kornett to interpret,if you don´t understand, ask,if this doesn´t help, don´t write than your knowledge is to sma...
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Thinking about your options, I would locate the driver at the top inside corner of the horns (horns viewed while looking into mouth), and develop the horn flare from there. See explanations below:Driver located high and inside: "Hypotenus wall" of ho...
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[quote user="jessie.dazzle"]Romy wrote:
"...The legato expressions the properly midbass horns handle with untouchable grace. The short and ultra short expression the bass horns tend to possess “longer” then it needed..."
I've sort...
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Thanks The CatI'm posting the pics of the build as I progress so people can see and pass on ideas, that's all. Are you suggesting you don't want horn projects shown on your site? I had earlier outlined the design, including cross-over points etc.I as...
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Yes, I know it is not correct to make any generalizations and it all depends upon the acoustic environment, where the horn is being placed and the influence of the other channels, so my original question was in context of listening to the upperbass h...
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This is very interesting subject.
I expect that tghe new Midbass horns will have somewhere 108dB sensitively anechoicly. The driver is 99dB and the hyperbolic curve has much more EQ then Tractrix and that is more important the EQ that work mu...
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Moreart, Since you are soliciting public opinions then I would like to say that I very much do not like what you do. Calculate the area of your horn mouth and you get up to what region you have equalization from horn. Everything else is a regular di...
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I think we have to subdivide bass into upper bass from 100hz to whatever your midrange does and bass under 100hz and then maybe infrabass.
Front loaded upper bass horns are fantastic and I would say if you never heard one, you really nev...
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Of course we do not defend or support a given topology itself but we only wrestle with the results we are able to get from it. Right? But perhaps there are some basics we can agree on? Basically, if it's Tone you are after, you are swimming upstre...
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Hi Guy, The Oracle seems like a nice solution - I saw you write up on Peter Empson's forum. They seem compact enough for my requirements. How do you handle time-alignment with the mid-range? Or is this not a problem? To be honest with you I'm not exp...
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Bruce Edgar room was probably the only rooms at the entire show where form my prospective it was possible to begin to talk about "pure audio", so I will.
Bruce picked and smartly holds at "The Show" a wondefull room, the small room, but fr...
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As good as my ULF turned out to be but purely conceptually it is not an ultimate proper playback solution. I have midbass horns runs down to 42Hz and ULF kicks in at 25Hz with 3rg order. In reality does to the geometry of my room and the fact the dis...
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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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[quote user="Johan Dreyer"]I call this the "pulsating room effect" Here there is a sensation of the air in the room actually pulsating to the sound.This is not boom but a sense of sheer energy being transmitted.Unlike music simply being played way to...
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Ok, “unless something goes terribly wrong” the new Macondo’s midbass horns will be built and I am sure that I will find ways for them to sound properly. As you remember I do not believe in horns for lowers octaves and I do have plan to construct a de...
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Hi jd*thank you for caring, and encouraging me to wade through all of this horn info. I'm 63 by now, not sure if I'll ever get out of there alive before I'm done though...Romy posted some picture about a commercial horn (Western Electric WE15) th...
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Romy wrote :"...I have no way now to look at the right number but how I “feel” is you shell be arriving under 8’ of length and 40Hz cutoff with 8” throat. With 4” throat you will be looking at 12” or so…"For info : In my case, I am using an 8" throat...
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So, you use DCX 2496 for deals but not for crossovering and your crossovers are still on analog domain, right? Romy, I do everything in the digital domain so I use DCX 2496 as my crossover as well (but analog SS pro amps). I know you're no big fan of...
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Well, you see, the outer dimensions of the mouth of cause an indications of low end response and by objective evaluation of it is easy to estimate horn’s bass numbers. However, it is very far from “sufficient” assessment. A few years back I completel...
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Yes, the Dresden’s talk about 40Hz horn and 90Hz horn as the similar horns, particularly if he does not want to "cheat", stroked me as odd too. 90Hz horn is a nice a manageable 40” piece of furniture. The 40Hz is the monster in a house and a good rea...
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Hi Romy, Hi Jeffrey Steve and I have been working on the bass compression driver for quite some time now, about 3 weeks ago we made some design changes that really paid off, as of now I'm convinced that a compression driver is...
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[quote user="jessie.dazzle"] Have you tried taking a measurement with the line arrays moved to the rear of the room? (ideally, he same as the current distance from the listening point, but behind you). [/quote]As I said I moved them everywhere.[q...
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[quote user="RonyWeissman"]A mid-bass horn for my Altec 515-8G drivers operating from 100-600hz [/quote]
Rony, I think your wish to have mid-bass horn with 515G is a bit faulty. A mid-bass horn for 515G shall be 50-600 Hz. Let me to explain. T...
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Thanks guys for all the suggestions.Klaus wrote :"...there are a lot of questions, but if one thinks to much, then he will end up like this lynn olson, pages and pages of endless talk and no horns..."Very true, I need to get cracking, but I'm&nb...
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