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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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As late as the 1960s every self-respecting hi-fi nut had a "secret recipe" for "speaker dope". My own guru would not give me his exact recipe for speaker dope but insisted that developing the stuff was a rite of passage I had to go th...
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So-called omnidirectional sound (of course here we are talking only about 360 degrees within a two-dimesional plane) is framed in the concept of emulating the microphone. This makes no sense to me, since it, firstly , fails to emulate the microphone....
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I am sorry there is a mistake in my previous post, anyone who has played around with a dedicated channel for a 40 to 200 hz frequency know hat the only sound coming out is a wooo, woo, woo... Not much to do listening test by, we can measure, but te...
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Am I the only one here that's super exited about these new horns? So how do they sound -- you promised to tell us ^^Be objective and truthful now :)...
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[quote user="Romy the Cat"]In fact you can model the great sound for very, very small rooms (headphones) with existing direct radiators, have great result and no need for horns.[/quote]Yes, this is exactly what I've attempted to do. The rooms in the ...
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...and we will start some little Polish mafia here, explaining to the morons the benefits of soaking not only our brains but also the diaphragms of our speakers with premium Zubrowka,Chopin or Zoladkowa Gorzka vodkas ;-)Seriously, nice initiative, ho...
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[quote user="Wojtek"]I'd like to point out that Fostex 500 MKII is very much not sharp and artificial sounding. If anything it's an opposite -little too syrupy , soft and round so it blends with cone mid better than beryllium tweeter.[/quote]
N...
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Interesting, Keith. You got 95db at 23Hz, I thigh the idea of to use tapped horn it to get more sensitivity. Did you intentionally did not target 102-103dB or you went for wider bandwidth instead of gain? You also use 300w SS amps. Did you try to use...
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the blue horns arrived today....and they're all hooked up and sounding..............FANTASTIC.......!!!!!!
In 10 years of DIY audio, there's a few moments of sheer joy....tonight was one.
Will muck around with placement of h...
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A few days ago I visited a local friend of mine. He has a decent audio setup in his living room with mid-size monitors. Leaving aside what sound he is getting just would note that I know what to expect in his room. This time it was a bit more the...
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What's being missed here is this: The parameters of location are fixed by the recording engineer/producer.Your typical Telarc has such a distant sound, one's only choice is the "you are there" reproduction.Your typical traditional piano recording is ...
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Actually I am not preoccupied with the discovery of how the anomaly might sound. My primary interest is to discover if this “mystesises” is avoidable sign of the tube ageing. If so then it would be very good. I will send you more used tubes…..
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[quote user="zanon"]Does anyone know of CD mixed especially for headphone?Maybe two mics, 6 inches apart, is the correct way to record for such a playback system.[/quote]The problem is that even with artificial head recordings you don't get a proper ...
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If I play my trumpet into a tuba bell and the tuba player just moves his fingers without playing, the trumpet tone is modified and sound like a mandoline. In addition, the upper register becomes almost unplayable due to the modulation affecting the t...
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[quote user="guy sergeant"]It does seem that with DHT's how the filament supply is arranged has a huge effect on the resulting sound. [/quote]
Could you elaborate on that “huge effect on the resulting sound”? What does it means and how did you...
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[quote user="Romy the Cat"]I can tell you that it is very much unknown if it work. Well, we need to defend what is “it” and what would be the definition of “work”. In my response you missed a very critical element - the notion of “starving grounds” a...
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I do not know anything about it and never heard about this conditioner. Today I was pointed out by a site visitor to this power conditioner and the visitor claims that he likes it, witch itself means absolutely nothing.
http://soundappli...
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[quote user="Romy the Cat"]The contemporary productions DHT tubes (Russian of Chinese) are superbly firm and have no internal noise when they shacked or hit. The mintage 60 years old tubes what you make the “close to ears” test responses like as some...
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Hi Romy ,well I appreciate the reply anyway! I have been reading your many threads and yes some on the Lowther designs but as you know your writings are a large large volume also and I havent made my way thru them all yet. As far as my room I could b...
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Looking for off the shelf solutions of the adjustable port idea I came across to an Illinois company Precision Sound that looks like specializes on ports themselves.
http://www.psp-inc.com/
They have some papers that I am looking through
http://ww...
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http://www.audioxpress.com/bksprods/products/kt-3a.htmThere is an interesting review of this machine in last month's audio express magazine. Its still unclear to me exactly what all the different pulses are for. Neveretheless, it sounds very us...
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Since the summer is here and since may playback generates more heat then Pittsburgh Steel plants, and sine my Monitor project end up more or less successful I would like to find a very cool running class AB, SS amplifier with which I would driver my ...
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Wow! Paul, I have to say you really hit the nail on the head this time; whereas usually you strike me a bit more obliquely:[quote user="Paul S"]...the Berning ... makes the music happen as oposed to letting it happen...[/quote]This is exactly w...
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hi mikei heard the avalons at the factory of a manufacturer of wonderful tube amplifiers in italy, http://www.angstromresearch.com/pre_ita.html ( certainly these guys would make big success in the states, if they were able to produce more than 5...
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A local GSC member took me up to THE Show, in Newport Beach, CA. This was the first audio show I've attended in over 25 years. It was way more frenetic than any audio show I remember. Lousy sound everywhere, of course, and no good music, and the c...
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OK Romy thanks for all the tips. I will be doing alot more thinking and reading and thinking...
The goal is indeed MUSIC nothing else.
Thanks, COllin
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Hi RomyI have never purchased a manufactured loudspeaker I've built my own and they were all much more interesting musically than any that I've herd on the market.After seeing the CES voodoo you get an understanding that it is about(the con...
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Timothy,
My “understanding” whatever you feel I understood “after seeing the CES voodoo” neither changed nor evolved in any directions. My level of tolerance changed but it was it.
However, I feel that you mistakably “deciphered” my message. ...
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Hi all ! [quote user="morricab"]
Hi Romy,
Could you explain a little more about the amp? If I understand you correctly it is a 1 tube stage with solid state (Mosfet or Bipolar??) output. If it is Mosfet then it is likely to be running w...
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I suspect that your negative views about on axis listening due to sensitivity to listening position must be to some narrow angle on axis frequency anomaly of the driver/horns you tried.If you insist to use chromatic aberration as a working hypnosis!!...
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