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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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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 year ago Lukas wrot...
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This has been a very informative discussion folks. I am not a horn person... not through any lack of interest, but I am married. So, direct radiators rule.
However, I do not like the sound of speakers and so developed a process for turning cone and...
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I think it was Wagner who first incorporated in his composition the concept of masking. He felt that during loud sounds people are losing ability to recognize the instrumental complexity. Later on during the stupid mp3 times or digital compression, o...
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Actually, when the string section has to play ultra softly, they use a mute or damper on the bridge. This is a device that limits the ability of the bridge to pass the string vibration to the resonant body of the instrument. http://www.youtube.com/wa...
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Novigera, let's ignore any issues of sound quality first. A horn loads its drivers and increases efficiency only at certain frequencies. The frequencies that are more efficient are based on length, taper and size of the mouth. That means that it does...
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Hi,I am slowly building my own Macondo. I understand why the injection channel is there. It brings some kind of softness that the compression drivers lack. I am using a 12" JBL midbass driver (~100dB sensitivity) in a 50L single driver Marshall cabin...
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[quote user="Romy the Cat"]Computer playback has no autobiographical value. CD, LP, tape etc have autobiographical value and sometime huge value. A location on HD has none of it.[/quote] Agreed.[quote user="Romy the Cat"]... there are zillion valuabl...
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Hi guys,
Thank you for the comments. I'm a complete newbie to RF, long learning curve ahead.
1) Antenna - My guiding was Romy's finding (backed by Dima) that this tuner is easily overdriven with too strong an ant...
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A few days ago in the thread “Who Builds Horns”: http://www.goodsoundclub.com/TreeItem.aspx?postID=3226#3226 there were mentioned the Cessaro Horn Acoustics Company from Germany. The company has an interesting model Gamma: http://www.cessaro-hor...
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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="jessie.dazzle"] Romy wrote:"...Let pretend that you play a normal some kind of horn with a lot of air in it. The air drives the driver impedance down..."I'd like to understand this; correct me if I'm wrong:As soon as the membrane of a ho...
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Ok, let dive a little bit further into my examination of the subject of Lamm ML3
What is important is to undusted that my view less targets the Lamm ML3 but rather it targets the ML3 as a representative of entire class of amplifiers. When I to...
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[quote user="Romy the Cat"]Ok, let dive a little bit further into my examination of the subject of Lamm ML3
What is important is to undusted that my view less targets the Lamm ML3 but rather it targets the ML3 as a representative of entire cla...
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Playing was various 3 feet long cable between my tuners frond end and AMX decoder my memories about my former cables idea got revised. That lead me to feel that I might not perceive as horribly and I did before an idea to make my own cable. In the pa...
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Ok, can somebody to elaborate on the judgment which filter is better in case it is a corrector that acts in the middle of auditable range, let say from 1000Hz? It is the same filter but let look at the theory of judgments.
1) ...
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An Audio Amplifier Design Philosophy
By David Berning ( Courtesy Meta-Gizmo.com )
I became interested in audio at a very young age because I liked music, but was too uncoordinated to be able to p...
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[quote user="hagtech"] Not sure I understand. You run the speakers floating from ground? Are you doing polarity swithing on the outputs? [/quote]
Sure, all my secondaryes are no grounded and the speakers are floating. I do not see ...
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[quote user="Romy the Cat"]You decided to go with mA or are they mV against 1R resistors?
I prefer the second approach personally and I feel that I can moderate the quality
of resistor and I can’t moderate the quality of the milliampere meter coil....
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I do not think my topology is relevant, (it took me 3 months to get my studio horns to sound right 20 years ago so I expect this again, it is a mix of mjlouspeaker transmission lines and this midrange m4 trial. And it is actually 2 systems I am w...
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Here is my proposal for an ideal horn system. The concept derives from the really of the horns as I know them, the available park of the drivers, the drivers’ real capacity and from… everything else that I might comment upon if you would not figure o...
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[quote user="drdna"] Not that the sound is bad, but my technique must be bad. Because sometimes during the day the sound will get really particularly bad, even to the point that it sounds like clouds are passing by over the music, if you unders...
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Dear gentlemen,My name is Frank Schröder and I'm the guy in the picture. It wasn't taken to show off anything, I actually noticed it after the fact.I came across this thread by accident and even though I realize that I may be better off forgetting ab...
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[quote user="N-set"]Unlike transmission line reflections which are a REAL effects, torsion gravity has beena nice theoretical concept, existing on paper, but not a proven reality, mind you.This is a huge difference and I guess you are one of tho...
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Understood. Thank you as always for the technical info.
I mentioned the DAB+ becasue the ABC are spending all their time and money implementing digital. 1st July is the start. You might glean some info on perceived quality of this format if re...
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Stitch,
the only thing that you are missing is paying attention to the OMA advertisements and truing to recognize behind it any rational beside a pimp yearling own merchandise (in fact it is not his merchandises). I told many times before tha...
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Thanks for the detailed answers. I will explain my setup.You are right about the dipole bass correction instead of the injection channel. Since I am waiting for both a subwoofer and the Fane Studio 8M and their horn, I am using the 12" as a b...
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You decided to go with mA or are they mV against 1R resistors?
I prefer the second approach personally and I feel that I can moderate the quality
of resistor and I can’t moderate the quality of the milliampere meter coil.
The whole thing looks l...
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I would agree that the Lowther is not hard to beat but the question is where and in whose mind does this competition exist? Is the Lowther, Manger, or other full range single driver in competition with different multi-driver approaches, other single ...
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Joe, I think I would battle it.
I would not be so certain. Mostly the SUV sized bass horns are notoriously bad sounding despite of the assurances of the system owners overwhelmed with so common in audio endowment effect. Not to mention that the Stag...
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This material is courtesy to Mr. Shibazaki, the owner of Sibatech Shop in Tokyo, that sell internationally Japanise Hi-Fi equipment.
http://www.sibatech.co.jp/
I hope that Sibatech people are more decent then our american distrib...
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