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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="Paul S"]It seems from following these threads that no one so far has been content to stay focused on recreating the accidental success of the original Dunnoy/Dannoy. Is this because no one can actually recreate the original, or is it bec...
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Maybe Bourns for inexpensive pots? I think DAC (Danish Audio Connect) are more $$$.
Edgar, if you are recording, maybe you are looking for one of the Steve Hoffman boards? This site is more hi-fi, and DIY here is typica...
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Ok, I think I've finally vivisected my ham--it's connected to the rectifier switching (at least some part is).Below is the waveform of the loaded HT secondary (red trace) and the signal from a search coil catching the leakage flux close to the transf...
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Do get an RTA, it is amazing how different the frecuencies are from what we imagine, 50 hz is very low! 150 hz is a vital freq, and a lot of female voices have a very nice fullness at 150 hz. It is hard to tell without measuring what is happening ...
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[quote user="jzagaja"]To make the story short Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One...
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[quote user="Paul S"]fiogf49gjkf0dWe do have a cable thread somewhere on this site that might be better for cable-specific posts. As far as purely electrical "issues", in the end, better sound is still the main consideration. Shielding power lines i...
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The main "technique" I use in "problem solving" involves a sort of Hegelian turning and re-turning of/to the object of attention (or, my perspective...) to get as many "views" of the object as possible. This sort of reflection has recently broug...
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[quote user="Paul S"]Adrian, as a purely practical observation, I just re-read your examples of the format you suggest, and I have to say I would need a good deal more information than that before I could figure out enough of what was going on with t...
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[quote user="skushino"] Rather than an intelligent discussion about the myth of High efficiency and Low power systems, most of your reply focused on the short-comings of my current amp. [/quote]
Actually I do not think that you are...
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The Thread was written from Romy 2006, I don't know when I read it the first time but it was an eye opener for me. In a way, one of the very best Analysis ever written.
6 years later (2012) every single sentence is still valid about morons, idiots,...
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[quote user="Romy the Cat"]I do not exactly understand what you are proposing at DiyAudio site.[/quote]i can't log in to Diy Audio so i can't view the attached image ( diagram ) files there - can you view them ? without diagrams it would be really h...
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First let me say I am NOT trying to promote the Synergy horn. I just think it is very intresting to look at and to think about.Ideal loading only occurs at a singular frequency within any horn. This ideal loading point is where the length is 1/2 a wa...
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[quote user="drdna"] I am kind of disappointed, since you typically advocate a very careful and systematic way of proceeding. What do you mean by extremely different positive?[/quote]Well, I it what it is. I am not DIY-Moron and I do not do und...
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Thanks, Paul, I defiantly not going to do DIY cables. I went to
http://www.redco.com/shopexd.asp?id=653
… and “designed” my own cable. It cost penny, it might not be good but it will be with AES/EBU specifications and it will make me start d...
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Marcus,
here is absolutely nothing wrong in what you describe. I absolutely assure you that any single person initially end up with the results similar to what you describe. Most of them stop there and do not understand that they got very bad...
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[quote user="Romy the Cat"]Yes, it was not “allergy” but already, the benefit of the automated check speller but it is not the point. It is not about lofty standards. This web site is not about offering help or imposing help. I do not mind to help pe...
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I too have no respect for DIY'ers of any type, and audio is certainly the worst place for such people. I don't identify with or socialize among such people, or even audiophiles in general. The only thing that motivates most of t...
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Hello Romy,
I understand the difference between the kind of "basshorn" pictured here and the proper compression-horn that you use. It is true that many DIY-types like to make basshorns in their garage without much thought to technical consideratio...
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Paul,It would be improper for me to write down what I have worked on over almost 40 years in the telcoms business. WRT a CV for example, I have in the past written it all down and the reviewers do not believe it. Eventually, i stopped bothering abo...
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expertise = experience X intelligence
a cockroach needs millions of years of evolution worth of experience to have the expertise necessary for it to be able to do find food. leonardo da vinci didn't need to experience flying in a helicopter in or...
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[quote user="Romy the Cat"] The “expedited” sound
shorten a bit the decay time/volume and makes transients more prevailing. This
is what very commonly audio people feel as “quality” but I degree with it.
[/quote]Romy, in my previous response I ...
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Hi,[quote user="Romy the Cat"] After some experiments and still being dissatisfied with the HF I ended up consulting with Dima. He spread me a theory according to which the HF was killed by my coupling Silver Mica cap. All my arguments that sil...
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We have tested live recordings against live sound, a recording of a jazz singer was done on Reel tape on an Ampex ATR modded machine with Fluxmagnetics heads etc. The microphone used was the legendary Telefunken stereo tube mic. no post producti...
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Scott, I do not believe that people come to audio because the love of music. In fact the “love of music” itself is some kind of vaselino-chewee term that I would like do not use. An interest in Music has nothing to do with audio. I’ve been saying thi...
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[quote user="Stitch"]What is the main difference in High End today and 10 years ago? Today it is possible to launch average products into the market via Internet Hype from DIY groups. [/quote]
Yep, you are spot on. All that you need to sell a ...
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[quote user="jessie.dazzle"] A technical understanding is necessary and I am always trying to learn more... [/quote]Jessie, you might at this point have worries/interests about technicalities of horns operation or a desire to find theoretical justifi...
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[quote user="coops"]Yes primarily i viseted Thomas to compare tonearms, he has a couple of Schroeders, the new graham Phantom ( mark III ) a vintage Ortofon amongst others. and he has a fine collection of cartridges, as I mentioned he is a very nice ...
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In a way you can write some positive / negative about nearly every Design out there. The Micro 5000 & 8000 are 20 years old, they have 2 weak features- a Platter which rings- no suspensionBUT, when we look at their latest units, we can see that M...
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I just completed (DIY!) several "factory" "upgrades" to my SE phono stage. While I had no frustrations with the unit, I have been reading designer Kevin Carter's careful explanations of the changes he has worked out over the past few years. These mo...
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[quote user="Wojtek"] P.Q is not a designer nor he is an "electrician" but Andy Grove who designs circuits and transformers for AN is. I'm sure he'd know very well what you're talking about. Whatever your opinion of AN sound is they have lots of expe...
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