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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I wish I could stop the US government from selling AK47s in any corner shop in the US. If you give a monkey a gun, most probably he will shoot himself. If you give a monkey an AK47, well that is different. He will take anything he wants and few thi...
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[quote user="Romy the Cat"] I plug it for a first time today. It looks like it is sensitive like hell and I did not hear any titanium problems on it even without low pass filter. I do not have infrastructure now to look into it further. [/quote] I ...
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Got the ultra low DCR toroids coil and pit them in use. Yes, it was very right move and they a bit trimmed the midbass tail. Playing with inductance and listening how the midbass decays (measurements are worthless in this case) I ended up with 4.8mH ...
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I changed the new flash at my site to “Ok, the midbass horn project is successfully over. Over 3 months, over 400 posts, over 180 pictures… all publicly available…” The project started physically on July 16, 2010, ended on October 28, 2010. The prepa...
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[quote user="Romy the Cat"]Folding introduce a bunch
of resonating chambers and cost audio coloration in most of the cases that do MASK
OUT the transient dynamics but folding itself should not have an impact to dynamics
itself.[/quote]Might be the...
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[quote user="martinshorn"]The bass horn for the ak151 is housing a rear chamber slightly open, giving the injector channel - that creates a lot charme, flavor and „heart“ but also 3 dimensional projection. [/quote]I need to say that that very muc...
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Yes, the crossover looks fancy :) More than that it does the job. The vacuum caps are only for the tweeter and the upper-mid beryllium. Still they are bridged with micas as they wont do much alone. Adding vacuum caps smoothens the transitions and sou...
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Maybe, some people would be interested in what I am doing with my system. I have been continuously listening and sparsely making changes and letting them sink in. For now, I feel more settled and think the biggest obstacle for me in reaching the ...
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[quote user="Romy the Cat"]I do not understand what does it mean. Are you saying
that you lost bottom response with closed exit hole on the driver back? If with
the closed drift from back you have a (loaded!) response no lower than 200Hz then it i...
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Get your Upper bass horn sounding properly first, this should be a lot of fun,
Play it by itself untill you get the perfect sound out of it
adjusting the back chamber volumen changes the sound a lot.
Why use a different driver form 2400hz? Do...
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[quote user="Blaukopf"]
Hi everybody, after reading RomytheCat's Macondo Setup I am very impressed ( phantastic music room ...) . Presently I have no working horns ( they are boxed), just questions. First, Romy describes his horns as spherical. La...
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[quote user="Romy the Cat"] I do not use compression driver
for bass channel. I would like to have my system esthetically balanced, to get let
say 120Hz from a compression driver would take too long horn and it would be no
way time-aligned it. So,...
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[quote user="Romy the Cat"] I bought a few Linn Records own recordings of Duisburg Philharmonic Orchestra, Scottish Chamber Orchestra and Dunedin Consort. They pushed them as “Studio Master” but they are WMA files – means the re-rendered compress...
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I would like to ask for your thoughts on the importance of back chamber shape and construction. This topic became of interest when I learned that the back chamber of my midrange horn (250hz - 2khz) is noticeably resonating when I put my hand on i...
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Back to the subject of this thread!
I heard some rendition of Dr Edgar's gigantic monsters at the Montreal
show this year (2006) running with Modwright electronics, some 16 wpc
tube amplification (possibly SET). There was in that room also...
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A few weeks ago Amphissa sent me a collection of recordings of Myaskovsky. I knew Myaskovsky, head his Sixth Symphon, “something else” and his cello concerto but to have a pile of selected CDs by a great aficionado of the Myaskovsky's music really he...
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I was listening today the Bolshoy 1948 production on LYS twice. What the beauty. As the tribute to this performance I am posting articles about the singers who did the “Boris Godunov” with Golovanov in 1948. The Articles are courtesy to writing staff...
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Ronnie,
Very nice, though I do not know where you would like me to move the thread. (It looks like it’s OK where it is). There are some comments that I might to pass.
You decided to go for a large MF driver. This is fine if you like it but I ...
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[quote user="RonyWeissman"] I have the 515-Gs If I remember correctly, and I am trying to find suggestions on what is proper horn-loaded cabinet still. And I agree my tannoy golds so far have worked best with early 70's mcintosh 22...
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[quote user="coops"]'Closed bottom'?[/quote]
Look for the James’ thread about “Barn Conversion” :
http://www.goodsoundclub.com/TreeItem.aspx?postID=3663
we were taking there about the “opened bottom” and “closed bottom” solutions. The Cessar...
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Romy,It is interesting that you say that the problem is well known. I discovered this application in 1972, while trying to come to a solution for the sonic insults being supplied by a pair of Ohm F speakers. I eventually got them to act somewhat as W...
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I have been lurking here for a while and am fascinated at the discussions of TONE. I play trumpet professionally in Germany and have many opportunities to experience big rooms and big pipe organs as well as symphony halls with various degrees of acou...
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[quote user="Bill"] If you are going to build such a huge cabinet or put a hole in the floor to use the basement as a chamber, why not just build horns in the basement with a straight 8-10 foot section in the basement with the back chamber re...
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I got today from my machinist the complete MiniMe enclosure, he did a good job. It looks so simple but it was reportedly pain in ass to do it, not to mention that it turned out to be much more expensive then I originally expected. The good part...
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[quote user="Serge"]I will think about it. Romy, of course you know me. Use your little grey cells as Msr Poirot used to say.Initial thoughts: hunting HF reflections and damping them is generally not a good idea. It is like making a speaker cabinet c...
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[quote user="anthony"]Can you remember
the thickness of the spacer between the Fane 8m and the Upperbass horn throat?
I have no idea what thickness is needed but I assume some kind of spacer
is necessary to stop the surround striking the horn...
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Scott,[quote user="skushino"]- Remove L-pads from mid and tweeter (sounds a little brighter, yet "more pure" and "better" to my ears) [/quote]Lpad sets the attenuation and this is the parameter that should be tuned without fantasizes and subjectivism...
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Rich,
I think it’s too early to seriously to talk about sound of your driver. As I understand you have no horn for this thing. Your comment that the driver goes all the way unto 8kHz clearly indicates that you used wrong horn before. If you stick a...
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Hm, I do not know men, but it des not work. Over the last few years I have tried the ordinal metal diaphragm 4 or 5 times and not with the Super Melquiades it is the most successful try but I still feel than it is not the sound that I would like to g...
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Excerpted from:http://www.volvotreter.de/pics_plans.htm
Design Basis Summary
total horn length (incl. back chamber) shall not exceed 1,00m
the horn shall have conical approximation of a hyperbolic flare contur with m=0.6
the horn shall have a...
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