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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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This may not be the right place. I am always emotionally involved with the music I listen to. Sometimes there is a quality to it that makes tears stream down my face - not matter what gendre of music or whether it is sad or happy.This subject was d...
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[quote user="Paul S"]Frank himself will often cut in at this point to head off most of the speculative nonsense. Not to co- opt him here, but I find it interesting that most of the Schroder arms (sorry, no umlaut...) are particularly subject to ...
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Gargoyle, I don't know how much experience you already have with this stuff. I want to be clear that I have not played seriously with LF boosting horns since about 1973, and even at that time I was pretty much stuck on copying existing horns, includ...
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Romy,I merely thought that you felt I was riding roughshod over your advice, when it was in fact a degree of naivety requiring extensive clarification that may have made it appear thus. Regardless of your indifference to praise and/or criticism, I'd ...
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Romy wrote (in blue)Do you mean to post WAV files that might be indicative to the sound of Ortofone Jubilee.Yes.Farmer when he went into his Australian TT craze spread CDs that according to him demonstrated “good sound from the new TT”.Well, if an ac...
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I've only had the pleasure of listening to 'professional' horns (whatever 'professional' really stands for)--horn normally used in concerts and small venues. (It was always so obvious to me--by listening--that the range of the horn-loaded 'bass...
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I understand that this is just an excercise, but one thing I keep coming back to as I experiment with hi-fi is to try to minimize the number of changes I make at once so I can - hopefully - keep track of and sort out what each change brings to m...
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Here is a VERY interesting paper http://www.anstendig.org/Stereo.htmlSTEREO: A MISUNDERSTANDINGTHE THEORY, SOUND-SYSTEMS, AND PROBLEMS OF HEARINGThere is a common misconception that the addition of stereophonic sound-reproduction was the necessary, c...
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The discussion of topology is interesting, but what in fact are we addressing? The factors that have been mentioned are: 1) Sound, which in this case seems to be dependent on "either you get it" - or don't2) Topology, which in my experience has so ma...
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Back in the 90's i bought a pair of Aura 1808 woofers and made a set of 24 cubic foot corner enclosures 1 1/2 thick, crossover at 100hz, close to 300 pounds, way over built enclosure with a baffle on the face of the enclosure that i could remove. I T...
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[quote user="Romy the Cat"]
clarkjohnsen wrote:Folks, in case you care to learn the truth of the matter, AC Polarity is the subject of Chapter 7.5, pages 63-66. Its connection to acoustic polarity is established there too. That Romy should so boldl...
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[quote user="drdna"] Okay, this is of course an excellent point. Naturally, if the system is optimized to begin with, this type of stuff will not have a beneficial effect. If you have done the experiments before, then you know what to expect from...
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Just a brief note on my recent addition: Placette Active preamp. Due to a recent purchase of Tannoy Golds, I had the opportunity to pull an old McIntosh SS amp out of the closet recently. This amp has gain controls, so I tried running it ...
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Just how important are subharmonics and undertones in audio, and how they affect tone? I played around for a while with the Townshend supertweeters, this is a ribbon tweeter that you can barely listen to: you plug it in and put it next to your...
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[quote user="rowuk"]Amir,in my world there is a process for selection and it is not AB or changing power cords. That does not mean that I deny that equipment (including cables) can change sound. It means that the normal audiophool description "it was...
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Dear Kitty,[The positions of the instruments are an arteffect of sound reproduction and in real "live" you do not recognize the instruments positioning. You acknowledge thier presents “somewhere there” but you never recognize it as “right” ...
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I don't know the full story of how loudspeakers went from field coils to permanent magnets. I believe that ultimately it was dictated by the price and availability of Alnico. Eventually Alnico became cheap enough to make similar or higher strength ma...
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I think we are back again to the issue of the dedicated AC lines and what external (outside of the home) garbage can enter through them. My own anecdotal impression is that there are two opposing trends from the power company. One is positive in that...
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Stephano Two good ears has put a post on his site about his new 4 way passive xover.I think this is a better direction than the digital xo. The designer, Thomas, designed also the preamp and I guess he has taken into consideration the input and ...
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[quote user="Amir"] ... because i can easily hear difference of 2m AC cable and 4m AC cable ... [/quote]
Yes, it's true. This reminds me of when I was testing different parts in an amplifier, and I was getting help from my fath...
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I like a lot how the room is looking, the plants in the center look great and sort of hide Melquiades very well. I am sure the acoustic properties of the plant will make up for the wall to wall carpet no problem. Actually I had trouble finding...
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[quote user="Romy the Cat"]the hum people apparently pick their own ground loops that too masked in noise without PP2000.[/quote]It is not exactly correct. There is 60 Hz hum eliminated by lifting the ground to the amplifiers. The neutral is connec...
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In my unit there is definately a change in sound running from wall from early in the day to late evening. In the late evening being the better. Before the Purepower this was much more noticeable but to quantify it, the worse day with the Purepower is...
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Richard, my only "motivation" is to keep the light on and my eye on the prize. Sticking just with recent events, of the 3 units Bill Gaw just dealt with, either 2 or all 3 of them failed to self spec. Bill returned 1 of his own 2 units to you for se...
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As I have shared several times here, I happen to regard the Lowther as nothing more than a means to an end. Partly because of this, I have taken my lumps with this marque. Today, I am pleased to have finally made the speakers I imagined 6 years ago...
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[quote user="HypnoToad"] Take the best components, the best listening environment and will you have the perfect system, maybe for a few fleeting moments.Everything can be improved, speaker positions adjusted, components upgraded. Take the perfect pho...
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YES! We all know music lovers who have never heard great audio playback, and could probably care less about audio. They do know alot about music though. They are musicians, engineers, artists, regular people, those that have season ...
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Last week a local audio guy come to my place to listed some music and I played to him my Wand’s Bruckner 4 in video room. With all “phenominality” of the performance I need to confess that sound was horrible. The guy did not complain, so I did not st...
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Romy , I don´t think this is a typical ups unit , but a little more advanced than a typical ups . I think typical UPS does not have double-conversion , at least here in Chile . Note that Pure Power claims "via double conversion technology ..." in som...
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[quote user="drdna"] Romy the Cat wrote:First of all I need to admit that I do not believe to people who claim that Purepower produces noise. My units are completely silent and I know other people who have completely silent Purepowers. I have no doub...
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