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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="serenechaos"] How were the Macondo's Axioms arrived at? By listening? [/quote]I would encourage you to read carefully the following page:http://www.romythecat.com/MacondoAcousticSystem.aspx[quote user="serenechaos"] I am wondering ...
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The visual analogy is very appealing I must say. Looking at audio from the point of view of music, as you treat the subject, I could comment on the following:"It is not necessary or even desirable that a system reproduce all the information of the li...
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[quote user="Paul S"]Well, you can count me among those who are perennially frustrated by all the unnessary stupidy that goes into most recordings, that's for sure, although I have several hundred records that I would like to keep for the p...
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[quote user="Romy the Cat"]
Actually the most interesting subject in physicality of ear to me is not the cochlea damping but the fact that brain and ear are liquid decoupled and whatever brain hears is transmitted through a liquid pressure wave. Of ...
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Fascinating info. My first post here though been a lurker for years. @Amir I assume the info you posted above about PSU changes come from Silvio? It's quite fascinating so if there's any further info published I'd appreciate a link to it.
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As the life nowadays runs in a very different schedule then
it was years back I recently discovered a new invention of mankind – those little
headphones that can be connected to phone. God, they turn out make the commune
in work in public transpor...
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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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Hello Romy,I just have build the postage used your "End of Live" scheme and Altec step-up transformers.http://picasaweb.google.com/alex.berger73/Phonostage#I have original EAR. After of 100 hours of working, the new Phonostage sounds more dynamic, ...
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This would be a fine feature, indeed, if it could really avoid second-guessing.The key for an auto-reader/adjust would be the ability to know if a given embedded range of frequencies is supposed to be louder or quieter. And to be of any real va...
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Romy,Thank you.I think I should to give some break-in time to Sylvania 0a2.50 hours is enough? Previously I used in my EAR the next set of tubes ECC83: 1-Amperex (red print), 2-Amperex (red print), 3-Sylvania 7025 (yellow print).When I built "End of ...
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N-set, if you have an unused circuit in the apt., then its neutral may be an acceptable ground path (neutral stays "on" even when breaker is "off"...).Re, the phono calibration, I have expounded the SRA at length in the "Vinyl Ceremonies" thread. As ...
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I suspect Mr. Fremer is not all that well respected here, but I found his article on using a USB microscope to adjust VTA/SRA very helpful. I was never able to set VTA by ear. http://www.analogplanet.com/content/how-use-usb-digital-microscope-set-9...
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In the absent of any counter hypothesis I stick to mine. By introducing a relatively high level of harmonic distortion at the beginning of the amplification chain with "natural" decay structure the result that reaches our ear/brains is most pleasing,...
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on Friday I will test CEC TL0X with MAcbook Pro/Berkeley USB to SPDIF Converter.The Berkeley Alpha USB use the Wavelength Streamlength asynchronous code. Mr.Gordon Rankin programmed these codes and sold the patent to some company like Ayre, Berkeley,...
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Jordi:As another paralyzed (I have a problem in my leg), deaf (problem in my left ear), coma (I take a downer everyday for my anxiety problem) and nearly unemployed (my 2 self-employed business barely covers our household expenses along with the tuit...
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Someone please jog my memory by naming some previous true Class A1 SE pentode amps, since I can't for the life of me recall any. This might actually work pretty well if targeted for LF! Adjustable "feedback" could help tons with Z matching, a very ...
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[quote user="N-set"] Sorry Romy, I did not want to sound nitpicking. I'm rather trying to understand if my copy works +/- properly.[/quote] I do not see you nitpicking, you do the right things and I wools do the very same if I was at your place. 1V...
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[quote user="Amir"]This topic is my corner , it is about my ideas , my setup , my news and my story. I write here because i do not want create many new topics. I think it is better to write only here.There is No need to read my topic If you think my ...
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KS, I am not following what is your problem is. The “big bass box” is unknown height. Let say that it is it 36” then it will have MF sitting about it. The lower midrange horn with 800hz crossover pint is sitting above MF. So, everything is fine as fa...
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Yes, all that. Of course one never resorts to the paddles except in the most desperate cases. Once the bottle is open, however, this may at least make a silk purse from a sow's ear. On the other side, I got too early to a Montrose that seemed "young...
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Hi Romy,I do believe that you can benefit from the study of making violins. It is one of the few instruments that are essentially "finished" in development. They have an essentially perfect string length for the played frequencies, the body size and ...
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The vast majority of time that I hear I violin, it is too harsh. I like a sweet tone. The major problem is that a violin must Cut through a vast hall; Stradivarius[?plural] are known for this.I have built instruments in the past to my taste. First...
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I THINK I managed to macro position by ear from to your advice. I did the tango with my bookshelf speakers and listened for evenness and bloom in the 80-500Hz area (filtered out the rest with EQ).Yellow marks the first hot spot I found, and then went...
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some months ago. It was posted at AA about a year ago or so. I keep the "solutions" if someone interested wants to know his scoring and how much of a "fundamentalist" or "overtonist" is.The only interesting thing about it is how being one or the othe...
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Thank you, Jorge, for comment. I'm definitely going for wood horns. For my ear it has no coloration in compare with other material. Only for experiments I'm using what is available ready.Regarding driver for 300Hz, which one will you suggest to try ?...
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Hi Keith,Interesting experience you have as I have found running my 505TT with the 160hz le'clech horns between 320hz-1200hz (with first order slope) works best for my setup and using my 15" goto sg-38wn woofer to play under 320hz (which sounds very ...
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RomyIt's topical to ask, since I'm building a 4-way system at the moment ..( Tapped horn behind and three-way horn system in front )Do you favour the tweeter horn to be placed at the top, above the mid/HF horn , or in this situation place the tweeter...
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drdna wrote:While I think a resonating speaker can add its own musicality to a reproduction, it is clearly adding harmonic distortion, etc. It may be pleasant, but you run the risk of needing differently tuned speakers for each type of music, m...
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I am not sure what you say. You said that you are able to do time alignment by by-ear listening “a well known single instrument recordings, then to more complex and textured recordings”… Can you tell me what you are listing for while you are doing it...
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Anthony, congratulations on getting your project to this point! I mention without referring back to your schematics, I think you will be glad to have test points, along with variable resistors (trim pots) to re-set operating points, as needed, if on...
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