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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Angelo, I do not think this site add anything applied to the subject. I personally do not feel that upper bass horns require any phase plugs; quite in contrary they are dreadful for upper bass horns. When a straight horn employed then the horn does n...
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I would like to point out that copying or not copying Macondo is kind of irrelevant. With proper assessment techniques any person who experiment with horn-loaded multi-channel pile of the horns would end up with the very same configuration – noth...
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[quote user="oxric"] As to why people are interested in the 16 ohms drivers, that is only true of some. The idea is that if the Vitavox S2s are being used, and a single amplifier to drive the different channels, it seems to make sense to go for 1...
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I moved your post into a separate thread as I think your post about a subject, contrary to the thread where it was moved from was about the virgin fantasies… [quote user="Ronnie"] I thought I built almost copies of the Macondo upperbass horns, yet I'...
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Despite the fact the I lost the quality of the lower knee of my midbass horn (I guess the primary resonance went all the way down) I keep trying to catch the right termination of midbass low pass filter. I bought those expensive 20H coils and added ...
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[quote user="Romy the Cat"]
Hm, the Injection channel via Lecleach? The MF via Lecleach? I wonder why people then are complaining about the vertical limitations. Anyhow, closer to the point.
[/quote]My mistake. I should not...
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I was pointed out to the fact the Magico has a new idea of their 5 way horn-loaded speaker. I did review the Magico former 4-way project, it was very bad:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=2103
The new one l...
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Adrian,
You pretty much said it but do not think that what you said it minor – it is in fact huge, with exception of some rough lathe-work: it is not exactly true but if it was true then it would be irrelevant to Sound.
I really do not know wha...
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I do not care about the room treatment at this point. The treatment
you use looks like very effective but it is very premature in my mind to think
about it. It is not to mention that the
contribution the treatment has to LF frequency response is ...
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[quote user="Marc HENRY"]La Grande Castine will not be as expensive as Cessaro Gamma.
i am sorry but i cannot answer to all questions, for several reasons you can understand.we have tested many drivers since the early prototype of La Grande Ca...
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[quote user="jessie.dazzle"] Romy wrote: "... Also it is very “kinky” moment how the delay from upperbass interacts with the delay from midbass. I know that not a lot of people would understand it but there are ways to “spread delays” or to us...
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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="Jorge"] I dont expect any big changes on my system with them, but i want to be surprised![/quote] If you have a good 10’ driver then going with the same horn to 4” and 8” Fane will give you some advantage. You will pick up some EQ at low...
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[quote user="RonyWeissman"]… i play guitar….[/quote] If you play guitar than do you know that you might affect harmonics of your upperbass by placing your guitar between your listening spot and loudspeaker? A guitar is a very powerful Helmholtz reson...
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It is good that Cessaro come up with own driver. I wish they come with own driver a few years back. Use TADs for year and did not express criticisms to many TAD qualities was kind of “blind” and a bit devaluate the entire statement that they were try...
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Romy, I appreciate that this is an old thread now and that you may not remember everything from your time developing these amplifiers, but I have a (hopefully) simple question about the upperbass crossover in the schematic above. All other channels ...
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[quote user="jessie.dazzle"]Do I understand correctly: AG used Fane 8Ms in the Trios upper bass horn?[/quote] Oh, no! AG in Trio’s upperbass horn used similar 8” driver with 103 sensitivity. That driver was bad and it made me to look for a replacemen...
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[quote user="serenechaos"] "I think the ultimate length of the upperbass horn is 3”- 4” throat. With longer horn it would be very complicated to time-align it as the horn will mask out the MF driver."
Is this also why you use tractrix curve f...
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[quote user="ulf"]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 improvement was so clear that A/B testing was not needed. [/quote]
For wha...
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[quote user="ulf"] Well, it was not really a surprise to us that the horn without the phase plug was dissapointing. Without the plug we had a horn that was a bit too short, had too large front cavity and less compression than we desired. [/quote]
It...
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Guy, here some unconnected comments that you might find worth considering. They are in no order or importance, just random thoughts.
1) Talking and describing about horn we shall always mention at least 5 mandatory characteristics
...
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[quote user="Romy the Cat"]
Well, acg, I am not wild about your idea of the curved frame,
primary on the reason of esthetics but it is your speaker not mine and you
shall do whatever pleases you. A few mandatory things that I would like to
men...
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[quote user="Romy the Cat"]However, you need to find out how much power and how much gain you need for you subs and your room. Borrow for someone any 6C33C and measure how far the 6C33C will be from class A2 at a level of max tolerable bass in your r...
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Hi, Martin,
As I understand you are the AU guy who makes horns? I heard a lot about you, very welcome, it would be very interesting to hear your experienced…
I agree with you: what I say on the subject to be entirely true. :-) However, talking abou...
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Jessie,
I was trying to evaluate the gain of my amplification in respect to larger room and again was thinking about your case. I think something that you do it not correct. You are complaining that you have not enough gain in upperbass, but I...
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A mix of conctrete and steel skeleton is a very good mixture, particularly for the upperbass horn. BTW, go not be “disappointed” that you did not go for Tractrix. The Tractrix has many advantages but for the range where you operate I hardly see any a...
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[quote user="Romy the Cat"] In fact I do feel that
my MF and upperbass are very good integrated. But again, I might not know how
different it might be if it was otherwise. [/quote]
Exactly!
Some time ago I also thought my upper bass channel is ...
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I got today an email from the site visitor with a link to some kind of UK show, look like DIY bash show…
Our friend SpeedySteve went with his acoustic system to the show. Here is the link and in the next page/s you can see his and other feedba...
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I made today some interesting experiment and for the first time during my “fundamentals channel saga” I get some stimulating and very result. I find a way to mount the “low frequencied S2 driver” on the speaker’s axe way above the Macondo’s tweeter. ...
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Well, a few things that I need to note. If you or anybody else are trying to make an impression about own installation and use video then please make a relevant video. The video you made is irrelevant as it shows absolutely nothing. What is the purpo...
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