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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Some wrong oppinions here :) As a fan I studiet it very precise. I mean very down to each inch.The path length is 1.68 Meters, Throat 250 square centimeter (7.5x33), mouth 2x25 / 50 x 97 cm = 5000sqcmThat makes a compression of almost 4:1Gives a cuto...
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hi Romy. Nice topic! I have a very nice memory. I started very young, supported by a friend who tought me a lot and gave me books to study. I learned the basic formulas and started DIY speakers from purely technical perspectives, graphs, math, calcul...
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[quote user="Paul S"]J, I hope you know by now that I really don't care about anything audio but my own results, except that I actually like sharing about this a little. Very specifically, I have absolutely no interest in trying to convince anyone o...
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Tokyo is no longer the electronics center of the world. But in the Akihabara district, there are still a lot of physical electronics / audio parts shops that DIY people should keep in mind.
These shops are generally mom-and-pop sized and may carr...
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[quote user="decoud"]So the ambition is low, and I am after a simple solution prioritizing these things, but the question of general interest is whether anyone has found an elegant way of turning the constraints of space into a virtue [/quote] We...
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[quote user="noviygera"]anyone familiar with the sound of this amplifier RH-307a?[/quote]
The RH Amplifiers is a snippety subject. For what they meant to be they are reasonable design avoiding large cap in feedback and in particularly of you have ...
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[quote user="StylinLP"] The thing is, there has been many many speakers like these offered in the last 15 years and they never got any attention. [/quote] You are right that there were many speakers like these offered in the last years but you wrong ...
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[quote user="Paul S"]Murat, this latest information from you has gotten you farther along than you might suppose at this time. From what you now say, it sounds like 6 months would be a minimum amount of time for you to spend getting a sense of the S...
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First I want to say "Hello" to our host and to the other guests here.Sorry that I interfere here, but talking about PA inspiration and using PA parts in creative mode in dinning room, I can say that for about 15 years back I was starting my interest ...
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Hello Romy,I thought we were just discussing technical issues around tonearm bearings with a focus on the peciuliarities of the bearing used in my arms. I have no intention to sell you anything. As stated in my first posting, I do not want to convert...
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Thorsten Loesch who came up with the mods, details what caps and why on the first page of this thread. Lacking interest for multiple years of auditioning caps, I just built it that way (2012 or so) and have had no urge to change anything. Romy has pi...
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Yes, decoud, looking at it like this, it does seem like it would just be a matter of time, money, and some working electrical knowledge before one found an acceptable alternative. One bonus of the DIY route might be that it could incorporate a larger...
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[quote user="Vasyachkin"]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 ...
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[quote user="Kcct82"]I didn't use John Hasquin's tapped horn design, I modeled my own in hornresp for my TAD woofer. I knew I would only need it up to ~55Hz so I was happy to have it flat from 23Hz-70Hz. The lowest crossover point for Behringer DCX 2...
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I don't know about the SMS but a few people have tried to clean up the Behringer DCX. I pulled all digital correction out of my system before investigating further but found some interesting mods to the output stage during investigation last year...
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[quote user="Romy the Cat"]
haralanov wrote:And the very same is with electromagnets. With those so widely used 12V power supplies (Fertin, Feastrex for instance) the sound is always softer than it should be in reality with severally restricted dy...
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[quote user="decoud"]What is the reason for not building one's own? There is nothing special about computer power supplies, is there, one just has to provide DC with the correct parameters, no? You could run a motherboard off the Milq...[/quote]
Gen...
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[quote user="Romy the Cat"]From what you describe I can conclude that your DAC is not good. You said you use DIY wireless DAC with tube output. I do not know what wireless mean in this context, but it is not important. I also know do not like any tub...
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[quote user="Romy the Cat"]I do not care about all of Nilsson Pass amps; I feel that all the same and all are very sub-qualified. A few years back Mr. Pass went for his low-powered SS single-ended amps and they might be more interesting. The Cat[/qu...
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Why use the GM70 apart from its power potential? For one thing, it seems to require literally lethal voltages to become remotely listenable. Is it really "that" linear, to insist on it?But my experience with GM70 is quite imited. I ...
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[quote user="Romy the Cat"]I did not know that Lynn Olson and Earl Geddes involved in Levinson’s operation. With all disagreement with those individuals I thought that they are smarter than to deal with Mark Levinson. I hope they did not give him an...
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[quote user="anthony"]I woke up this
morning ….[/quote]
It was funny that you named it “In my dreams”. Whan I was “designing”
and building the Milq I had a lot of dreams about the problem I had. I am not
am amplifier designer or some kind of DIY ...
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As some of your know
Anthony live in AU and they have for themselves a site where Anthony regularly
post the progress of his project. I do not post in there, I was banned from
there, I am not sure why but usually it is because I refuse to suck the...
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The “Enjoy His Music” published the old celebrated by many DIYers Herb Reichert’s article about his 300B amp ideas.
http://www.enjoythemusic.com/diy/0709/flesh_blood.htm
I read it before but reading it now, after a few years again...
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A bit of the background. Before acquiring the PP, the whole system had been moved from it's previous location in Gdansk to a new one in Warsaw. New, busy city, new apartment, new electricity. Straight after the move and connected to the new house...
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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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Hi,Thanks for the response. I came here through searching for
music, specifically the 'Computer on the radio' music that was posted
before...and i know one or two names so it seems.My post was just to introduce myself, apologies if it was off-topic...
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Hi Roman et al!Allow me to introduce myself. I have followed with amusement Romy the Cat for many years. He is ascerbic and ultracritical, but he does know audio. We share many tastes, like the Koetsu Onyx Platinum foir instance, on...
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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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[quote user="Romy the Cat"]Perhabs, wlowes. Might I ask you: when you refer to “sonic improvements”, “brought more life to the music”, deep quiet background and etc then what do you mean? What I am trying to say is that your rational might be logica...
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