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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have writhen about it on a past and I would not go over it again:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=976
However, in the thread that enumerates the most appalling audio types I could not do not mention the DIY type.
To make the l...
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[quote user="Romy the Cat"]You have no idea how loaded this question. The crossover point with the MiniMe is not a tactical question but actually the very strategic question of the entire speaker, let me to explain why. The woofers that I use are fai...
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Erik,
The high pressure zone near the throat does not create distortions; the distortions (the turbulence of the wave’s front) are created right after that zone (according to William Hall, MIT, 1932, though no one said hat he is right). Also, it is ...
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I am with skepticism treat that information about those WE demos. WE never did any interesting playback system solutions that might be stimulating in today home audio environment. At the time when WE was operational the requirements were very differe...
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[quote user="Lbjefferies7"]I found these a few days ago...https://www.solen.ca/pdf/atd/14w2608agti.pdfAny experience or speculation about these drivers?[/quote]They are ADT version of Görlich. I spoke in some extend about Görlich at my site, do the s...
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Chris, at this point it is hard to say anything defiantly. Subjectively it sounds like the Super Milq has slightly less HF extension and transient then the regular Milq, although the output transformer of the HF channel of Super Milq runs higher and ...
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Let me tell you a bit about how an why we designed the midbass horns the way we did.A few years ago we discovered the tractrix horn for MF use. It was really the most important improvement so far. No more honking exponential horn sound.The improvemen...
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[quote user="drdna"]Maybe it is important to ask what the problem is that moving in this direction is addressing … [/quote]
Yes, the 30 drivers approach will ruin anything else BUT…
When you are a painter and you just did a wonderful portra...
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I predict a highly probability that a new wave is coming in high-end audio loudspeakers. The today’s high-end audio the loudspeakers field is in a complex stagnation, the stagnation that will lead to the need to invent a new ways to sell loudspeakers...
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[quote user="Paul S"]Romy, doesn't Tim de P also use this cool Miller capacitance idea in his never-mentioned "high end" tubed corrector? Also, do I remember reading that he runs both channels through the two halves of the same twin-triod...
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The name of this thread a bit cryptic and need to be explained, as the Alzheimer in my vocabulary means slightly different things then it is commonly recognized. When I was 13 years old I read a book (I do not remember what it was) that was dedi...
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[quote user="gordan"]
here's the measurement we've got from S3 on tractrix 260 horn.
the increments on the graph are 1db
it seems useful from around 450-500 to some 1.3k, but it still looks very bumpy in comparison with a number of ot...
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Xandcg, these bass compression drivers is a controversial
subject. T think there are 3 of them ALE 160 and P1260
and GOTO SG-146LD. I think they all 4”, it would be very nice if they were 6”.
However, 6” exit might be a bit too wide for compre...
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Listening my Macondo with new “Fundamental channel” I noted that my tweeter is not as effective as it use to be. The effect of “not-effectiveness” is very minor but at some recordings it is notable. My T350 still sorts the Vitavox S2’s top but it als...
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Once you establish that you are for sure on the right track with the whole idea of the Injection Channel, it would not be such a big deal to cut and extend the vertical mast of your Macodo frames, moving your Fundamentals Channel up... You could have...
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[quote user="Romy the Cat"]
twogoodears wrote:I'm following with interest the thread and must say that I'm baffled: Goto's "instructions" are - SIMPLY said - a mix between non-existent and wrong... I love what Goto's did in my system... BUT I thi...
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A site visitor sent me emails saying:
“Johan Dreyer says he can hear no time delay with his bass horns…”
Well, first of all I disagree with it. The fact that Johan Dreyer can hear no time delay is not an indication that delay is n...
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When many of your will experiment with building and listening your own horns and spend countless amount of time by sketching a configuration of your new horn assembly you then might come to an observation that Macondo Upperbass topology is very s...
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[quote user="Romy the Cat"]I very much do not want to sound like I am expressing sarcasm. [/quote] Romy, I don’t treat your comments like expressed sarcasm and I never did it. In my view, your site is the only place in Internet, where fruitful discus...
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[quote user="Romy the Cat"] Sean19 wrote:Both versions of
802's have GPA diaphragms both are used on the same horn in a model 19 clone.
Over longer periods of time the older versions are easier on my ears. You deal with random result. Pretend that ...
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[quote user="haralanov"] I will not call this excitement, let say it dynamic stability. [/quote]
Hm, the “dynamic stability”. This is a new objective…
[quote user="cv"] I suspect [David]he feels more comfortable with coils running at low vo...
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[quote user="be"]Romy wrote:
"However, the diaphragm in the small JBL 2420 driver is full metal (correct me if I am wrong) and there is absolutely nothing in that driver that might be soften mechanically."
The speach coil former seems to be...
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As I wrote before I picked some Vitavox S3 driver.
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=8619
and I was expediting with them recently to use in Fundamental Chanel. My idea was that S3 might care LF knee better then S2. In past I had S3 ...
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There are many threads on my site where I covered the subjects of Tweeter for my Macondo and particularly the moment of integration the tweeters with Vitavox S2 compression driver. Since a few months ago I altered my idea to use the EV T-350 tweeter ...
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[quote user="jessie.dazzle"]Hi Klaus,
Spec sheet on the bass driver you plan to use here: http://www.greatplainsaudio.com/downloads/515_G.pdf
[/quote]
got it, thx. used this data to simulate in hornresponse,looks very promising. but i know...its ...
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I’ve been harassing my horn-maker for quite a while with an idea to go for straight, no-cheating 45-50Hx horn. We discussed it countless times and sometime probably we would go for this, and particularly if I figure out how to resolve the delays prob...
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[quote user="rdrysdale"] The bass driver will play to about 8 khz… [/quote]
OK, this dose make some since, become I understood you that it droops after 300Hz.
I wonder what made you to select the 300Hz as a crossover point – the currently existing...
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[quote user=" browellm from hifiwigwam"] "not your typical DIY moron". High praise indeed from Romy there… [/quote]
OK, I would like to make a commentary on the subject. I know that people who love to chop wood at DIYAudio site would consider...
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[quote user="guy sergeant"] I feel very pleased for you. I was always somewhat puzzled by your descriptions of how you felt the S2 sounded, particularly between 600 and 1200 Hz. My experiences with a few different horns but always with a good quality...
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[quote user="cv"] Well, the Cogent (Steve Schell and Rich Drysdale) boys are building just such a beast: field coil magnet, (possible) permendur polepieces for >2T, Fs 70Hz, throat - dunno, but at least 3" dia, reduced compression ratio relative t...
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