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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="rowuk"]In live music, we have intermodulation. Two trumpets or a trumpet and oboe playing together create sum and difference tones that change depending on pitch interval for instance. For music in major keys, this intermodulation is add...
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It seems to happen often enough that I have some idea of how I want to change my system, broadly in terms of sound, but it takes me a while to figure it out and get it done. I remember quite a few "ambience systems" over the years, including the orig...
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"... and I do not know if 3A/167M is better than anything else and I do not see why the metal socket is necessarily better then plastic – the socket is not the part of the tube."As you know, the 437A is like an on-steroids ECC83, ALL glass built, no ...
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[quote user="Romy the Cat"]What however I would like to ask you is the subject that bothers me the most: how can you determine that the record is cleanable? So, my question is – how you differentiate the noisy record that might be cleaned and improve...
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I'm a physicist actually :-) I'm denying modern physics every day. Not to deny the string theory one must be a complete idiot: 1+2+3+4+....=-1/12!!!I've made a stupid mistake and decomposed my EMT for cleaning and now, in big painsand with a help of ...
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N-set, I have not tried the AN connectors. And I think the cited "metalurgical problems" relate to ease and speed (and so, cost...) of immediately available, outsourced manufacturing rather than use of the metals.FWIW, the WBT Next-Gen Ag connectors...
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It can be a bit difficult to get across the full breadth of one's meaning. I had a few perspectives in mind when i wrote the last paragraph, one being the (i don't want to sound too pretentious, but for lack of a better word) enlightened audio...
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The following reflects the current state of my understanding, and in some cases, my opinion... I welcome and very much value other points of view.Max, regarding B&W and Color : Actually we do agree here ; I did not write (nor mean to suggest) tha...
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Haralanov, it had to say, I think it would be all depends how he use that MF driver. Do not forget that this MF driver, I still insist to call it Lowther has very extended HF. That is different type of HF that is coming from “cigarette filter paper”....
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Many years gone now, I have tried to keep in mind the sound of live acoustic instruments and voices as I tuned my hi-fi system, as it and I have evolved. So far it seems that there are an infinite number of ways to "move closer" to a constantly...
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[quote user="Markus"]
Romy the Cat wrote:I, looking at my “7 reasons” do have a preference to sealed boxes. I do not believe in accuracy of bass horns, particularly in context of system integration.What made you change your mind?[/quote]I am sorry...
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Romy,
No, the DAC was not set at maximum level (for best sound) while Cyrille listening to the system. It was set at normal volume for the whole system. When Cyrille dropped by, I was showing him the Field Coil open baffle speaker system which con...
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[quote user="Romy the Cat"]The concept of self-testing boot cycle is nice one but it for sure could not be done during the amp booting. Some tubes do need to warm up and reach the cruse temperature in order to be tested, some do not. Some tunes (lik...
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Well, I remember being "astounded" years ago by Crown's "DC" amps' LF capabilities with an ever-widening range of LF "tasks". More recently, I was "impressed" by plate-amp-driven subs at THE show. I haven't gotten to ULF with my system yet, but I p...
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I do not know what is meant by “close bottom” or “open bottomless”-- please expound?I do not know of importance of enemys death to this topic. There is a long thread in the subwoofer section of "devil audio" about tapped horns. John mentioned gettin...
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[quote user="jessie.dazzle"]Even if you don't agree with the design, there's some clever DIY going on here.[/quote] Sorry, I did not now see any “clever DIY going on” in there. For sure he is a skilful, perhaps wonderful machinist and perhaps good ca...
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Paul. GSC = goodsoundclub I have worked with Richard (pure power owner) and i know the problems of customers but i think paypal is a good way to shop from Richard. Ask Richard to send you video from the unit before paying to him. Recently 3 or 4 pure...
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Sorry for posting a bit of kindergarten trivialities but maybe someone without a dedicated line yet will find it motivating.I've finally connected my dedicated lines which took me ages. The lines are connected right behind the power meterand have the...
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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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It is the second Romy, the noise is always present. There was always a little noise but when I had a soundsmith strain gauge system arrive, I was expecting not to have any noise. It is a hum free device. When I installed it thought, there was a buzz....
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This weekend I decide to take my FM where it should be. I ran ~125” and installed a dipole on the roof of my building and serviced my tuner. The result was as expected but there was something unexpected. Along with all normal benefits of better anten...
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Here's a decent attempt to boil down basic "ground" issues. Generally speaking, according to best practices, grounding one's hi-fi is a systematic attempt to equalize the ground potential throughout the system at "zero". Again, phono stages are harde...
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I can contact them again and ask for a price quote for the SLC. These people don't do audio at all. When I contacted them for my RE-1009/2T they couldn't understand how it was possible that any audio equipment could take any profit of their products....
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Anyone familiar with these? http://www.vertexaq.com/component/option,com_frontpage/Itemid,1/ I heard a demo @ RMAF; without, with, without again... Very effective. In that place, At that time, with that system, etc. Part ...
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As I promised, I am informing about the fate of the Baby Melquiades project. The Baby Melquiades was armed for few days with new 60H transformer. The result was not positive. It sounded OK but it was not even close to the Melquiades sound. I wa...
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[quote user="Paul S"]For a while there, every system change I made that "improved" the sound also limited my musical choices. But the most recent round of changes has had the opposite effect, much to my delight, and I have been amazed by how well gre...
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We are so overly familiar with the music of the Romantic era (and to a lesser extent with some 20th century orchestral music) that we tend to overestimate the importance of dynamics overall in music and in listening. Obviously, abrupt and frequent dy...
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[quote user="Romy the Cat"] The parallelness of the axis is necessary not because it create the “parallel sound” but because drivers have dimensions. Because the diameter of the drivers the arrival between the side and the middle of the cone is diffe...
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Actually Jorge brought a valid perspective: the HF that are crossed at 5K are not the same as HF that are crossed at 10K. The point is that in a playback that crossed at 5K one can’t talk about HF as a self contained expressive tool as in that type c...
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[quote user="Stitch"] None of these owners bought it because they can hear a difference, they are absolutely not interested in that and they have absolutely no idea about it!! They bought it as a toy and to get a position in an audiophile community a...
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