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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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The quality of microphones is irrelevant and if you use not 1/3 octave sweep but Noise Generators then you need to run time average on your RTA. Time average analyzers is fine but it need some additional experience to interpret the results. I do...
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[quote user="Romy the Cat"]And it is not that you can do it but it is a very common practice. Some manufacturers offer actuators of sometime tapping pads. I think even the largest Wilsons offer a set of series resistors for crossovers to attenuate HF...
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[quote user="HookEm"]But, although it seems things are moving in a good direction, the overall presentation still seems a bit dry (not as fluid as my head tells me it should be).[/quote]HookEm, it was a bit is very generic comment that does not expre...
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CV, Good scenario as well but my leading idea is slightly different. I would like to keep any reactance from the path, would it be inductive of capacitive, to assure ultra fast response time. Basically I would like to maintain the MF amp as it used ...
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Interesting concept but let me point out a few considerations.The diffusor does performs a mild "equalization" function if you want to call it that but it is also an aid to dispersion. It is light "EQ"...3dB might be about right. Without any diffusor...
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Dear Romy,Assuming that your questions are "honest" ones ( I have no reason to believe they are traps, like it happened to me before with a certain Mr. Thor), I will give you "honest" answers, hoping that our dialogue will be of some interest to the ...
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Hey boy,is it a kindergarten,"does not change anything"you don´t understand my construktion, your are not able to interpret measurements and simulation,if you are so blind, to see and understand,why do you post, little boy.it is so boring. read again...
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Ok, I do not know what it was: was it DHT, was it 300B, was it some other specifics of this given amp or whatever… but those two aspects that I named: intentional density of colors and randomness of pace are something that I would like to exercise in...
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[quote user="Paul S"]OK, I think I get it, except you will have a sand bridge along with your crap-load of Farads guarding ground, and your PS out feeds all six "channels", including the DC MF without dividers? [/quote] I will use the same trick ...
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Hey Rom etal.I'm entering into unknown and difficult to intuit territory for me.I aquired a pair of very large constant dirrectivity horns EV hr9040 a, a little while ago and i now have a pair of jbl 2420's to power em. I haven't put them to gether, ...
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[quote user="cv"] That said, I do have is a single 160Hz/1.5" finally up and running on a compression driver, and it's a different world - stunning. Actually the results are exactly as JJ described. [/quote] The JJ, is it Jeffrey Jackson? I have no i...
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[quote user="Jeffrey Jackson"] Ming would like to provide this custom basshorn service to his customers in the US market.. Goto Japan has nothing to do with this... [/quote]
Very cool, the more “hornier” the better as far as I concern.
[quote user...
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A few questions. What driver is it? It looks like it is 15 Vitavox, is it 151 or 15/40? What the resonant frequency of the horn and driver with no back chamber? The most important: how the hell all of it sound. I do not be believed that you did not h...
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[quote user="guy sergeant"]I will ask. As anyone could by sending an him an email or calling him. Ultimately though it'll be because that's what he felt worked best. [/quote]
Well, it is a bit more complex then what you wrapped up in your la...
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Last week I listened to some small back loaded speakers using Fostex drivers where the cabinets had deliberately been made to replicate some of the qualities of a double bass or cello. Apparently very thin cabinet walls etc.While I have some reservat...
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Dear Romy,What would be your suggestion on the operating point and OPT impendance if I were to drive a single driver Back loaded horn speaker with over 102db/W? Knowing that you have mentioned a range of operating points in the forum, I still not too...
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I was searching for an answer why squire wave is so screwed and I was advised by the site’s visitors that it is due to HF restriction of my channel. My HF response does look too low to me – the 23kHz; with all my ultra low capacitance magnetic I ...
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Once you figure out where you want the LF drivers you could put them in a "cabinet" of lesser dimension and run that "cabinet" through the floor, using the basement, or part of it, for more volume/IB. That could "solve" the IB footprint problem, and...
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[quote user="HookEm"]The reproduction does not seem natural... too far away from what I would hear at a live event (e.g., female vocalist). Sort of bright and fatiguing at times. I may not be using the proper terminology to describe it, but I do...
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Hi guys and gals! Glad to have found this site!My question is do you believe in single driver speakers like Cube Audio? I don't need ultimate low end extension but accurate mids and highs. Thanks ??...
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This weekend if I have time I will be doing the testing of my driver deciding which one I will be using. The framework of testing will be the following: a single driver, closed at 150Hz first order, mounted in infinite baffle and working along with M...
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Part 2 – Description and explanation
Anyone who have ears and a rudimental mind to understand what ears register, and anyone among them who played with MF channels driven by SET, know that subject of SET loading is imperative.
Let take for...
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Thank-you for the detailed response Romy. I can understand your reasoning.I have noticed that there are several commercial horn offerings that push a wide bandwidth through a single horn (eg. Martion Einhorn 370Hz - 20kHz, BD Designs Orphean MKIII 2...
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You know, extending the front baffle without making it take up too much space? Many people use the ubiquitous single driver on a narrow front baffle augmented by back-folded wings on piano hinges...I like those three mids; what are they doing -- canc...
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With the project of the 6-chennal Super Melquiades is about to hit its final stage I might to review my summarizing observations. The 6-chennals Macondo is driven by 6-chennals dedicated DSET Melquiades, that looks like properly orgies for the job. T...
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ml8 wrote:"This few tubes was 6E5P, 6S45P (which i've found a little better for my single-stage amp that 6E5P) and... perfectly god-like sounding (output beam tetrode) 6P6S!!! Triode-connected, for sure. Absolutely the MOST clear sounding driver, and...
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[quote user="nl"] I have used Russian high-gm tubes like 6C45 in amps before, including single-stage designs very much like Romy's single-stage Milq. These have many attractions. However, in my experience it just didn't have the tone. Jim de Kort of ...
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Try thinking about it like this: Moving your ears 1/2" closer to all drivers in the system is not the same as moving a single driver 1/2" closer to your ears.jd*...
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Robin, of course I meant to say above that the Heils are equivocal when pressed, and no reason for me to think a compression chamber mosh with another driver would improve this quality; but I am just guessing. It would certainly be interesting i...
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About the bass, which must be lacking in such a construction:I once made an experiment with something similar (single "cut" horn with "mouth" directly adjacent to the driver), and subjectively there was much less bass extension when I placed a barrie...
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