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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="floobydust"]The 2A3 can be almost as quiet, but ONLY in the dual-section paralleled types. I adopted a split balance technique. It only works with cathode bias due to the topology but it is effective. You also need a good quality filamen...
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[quote user="Romy the Cat"]You might change your mind after you put the PP2000 into the game. Anyhow, I do not know what Bruce did with his Titans tweeter; I do not even remember it they are in time-aligned position. The EdgarHorn Titans uses Fane ST...
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[quote user="Paul S"]Regarding your HF: Do you use a naked ribbon over 10k? If the PP2000 has worked for you, you might want to try it.[/quote]Well, I will try the PP2000 after I have finished evaluating the new 2A3 tubes. The EdgarHorn Titans use a...
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[quote user="Romy the Cat"]I am not sure if you stress the words “sound” or the word “stereo”. I do not have anything to do with mono but properly implemented stereo is absolutely wonderful and I love Take a little portable mono microphone, attach it...
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Experimenting with the new 2A3 tubes has been a very interesting experience. It has given me insight into more specifically exactly what I am looking for in the stereo sounds, which I associate with the Sound.
The most we can ask for is to accu...
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[quote user="Joe Roberts"]Certainly, this sincere invitation was offered in part because they found you an interesting Cat, but I think that the offer was also inspired by the fact that you are writing pages of critique on items that you have not, in...
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[quote user="Romy the Cat"][quote user="drdna"] It has the Magnequest DS-025 OPT, connected to the 16 ohm tap. [/quote]
So, it is 2.5K primary and you drive 8R speaker with 16R tap. That makes the 2A3 loaded in your case with 1750R. I think it is ne...
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[quote user="Romy the Cat"]I was thinking about this: how come that driving 6C33C (in fact driving anything one can imagine) the 6E5P was very fine but driving 2A3 it was dull like hell. I opened the amp and tested all – everything was perfect but th...
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[quote user="Joe Roberts"]The Manger is very different from Lowthers and other paper fullranges. It is very balanced and not peaky at all. Lowthers are lots of fun to experiment with but it seems the Manger is less idiosyncratic sonically, although i...
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[quote user="Romy the Cat"]BTW, I run today the Chinese 2A3 and they were much better then Sovtek tube, much-much better, in fact I was very surprise how bad the Sovtek were.[/quote]Having received a bunch of tubes, I have spent some time liste...
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[quote user="Romy the Cat"]I was not wild with original San Audio Kit sound, I did not like when I redid is with better parts and I frankly not a hugely enthusiastic about the sounds of San Audio Kit with 6E5P driver.[/quote]After thinking about this...
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[quote user="Romy the Cat"]I did not have any low-power DHT but now what I do and when I drive 93dB sensitive speaker with it I have the very same ugly midbass that I experienced with countless setups of other people. I think it is a pattern. Also, r...
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You will be happy to hear I have got the new 2A3 tubes. I have spent the evening listening to them all. Some very interesting results! I will be posting soon...
Adrian...
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[quote user="Romy the Cat"]I did not see the connection between the shapes of sinusoids as sound. When I have an “another” type of sinusoid shape I do not feed the system with different shape but with different methods of construction of sinusoids.[/...
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[quote user="Romy the Cat"]IIs it possible that the methods of sinusoid construction are mater – so where is the causality? [/quote]There are at least two possibilities:
1. The perfect sinusoid unmasks the compensation of the system for imperfect po...
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[quote user="Romy the Cat"] I played the full system today driven from Avicenna possessor.[/quote]Yay! [quote user="Romy the Cat"]It was interesting.[/quote]Uh oh. [quote user="Romy the Cat"]So, in my view this sonic elasticity of sound was with Avic...
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[quote user="tokyo john"]It is funny but for many years I had been intrigued by the different approach to audio by Japanese vs "the West". "The west" here refers to Absolute Sound type (not everyone in the West is this of course) criteria of live pe...
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[quote user="Markus"]I have recently been thinking about efficiency. Apart from enabling you to use low power amps, is there really any reason why high efficiency is better than low or medium efficiency, all else being equal?[/quote]Fundamentally, al...
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I watched this. At first they are a bunch of pompous arrogant guys sitting around flatly bored, spouting asinine opinions mostly to hear themselves talk.Then a funny thing happens. About two thirds of the way through, they actually play a recor...
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[quote user="Romy the Cat"]The wider question is very interesting: if we need to make any design provisions in case we know that our audio is powered by “good sounding electricity”.[/quote]This is an interesting question. There is no question in my ...
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[quote user="Romy the Cat"]I do not feel comfortable what people buy the audio things just based upon my experiences. My experiences with audio are very much not oriented for other, I do audio for myself not for others and I would like not to feel a ...
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[quote user="Paul S"]how many LCs does one need , given perfect, quiet AC to begin with?[/quote]Probably correct, considering the physical vibrations etc. that large capacitors can create. There may be the potential for added distortions. However, ...
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[quote user="Romy the Cat"]I did detect something not good. Take a look. This is Avicenna in buffering mode, driving 1340W. [/quote]Well, it gave me a chuckle. I will be interested to hear about the listening results, considering I have just bought ...
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[quote user="Romy the Cat"]Are any of those new tubes besides the Chinese tubes are single plated?[/quote]I believe they are all single plated.
[quote user="Romy the Cat"]I have bought some very nice 2A3 and 6A3 double plated from 1942 and 1944 an...
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[quote user="Romy the Cat"]Is something brewing in the former Czechoslovakia? The whole country is the size of a half of New Jersey but they have 3 manufactures that do “objectionable” tube today. Is it the same rebranded group of people behind of al...
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[quote user="Romy the Cat"]I do not know what you mean by “specific set-up” and what San Audio did is very orthodox use of 2A3 and I did not change it. The only change that I made (and I do not know at this point if it was a good change) was the chan...
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[quote user="Romy the Cat"]I was listing it and I did not really like what I heard. It was all together juts some kind of “Ordinary Sound”. I recognize that I say “I do not like sound” but I can’t say anything more spastic. All of the sound that I ge...
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[quote user="Romy the Cat"]With the late success in my battle with electricity I was slowly reviewing some of my things. What I detected that in context of good electricity I can set up my Injection Channel much more aggressive, let seat 2-3dB more t...
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[quote user="Romy the Cat"]The wire, the coupling caps, the cathode resistors and many other things are superbly important but it is after the strategic topology is settled. In my view caps, resistor, wire and other things are responsible for the sou...
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[quote user="Romy the Cat"]Can you post or explain the topology of your 6SN7-2A3?[/quote]The amplifiers I use started from a kit I bought, the Moondog, so here you can see the basic topology. It is very simple. The first stage here can be eliminated,...
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