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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Last time we wrote you thought I should focus less on tweeters and more on midbass.I am not done yet, but I have found a very nice midbass solution. Somewhat unorthodox, maybe.I have come to love police sirens! Without having A/B compared it to a pai...
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lately I've come to theorize that the horn midbass may be a contadictive dead end approach. The reason is that proper horn midbass (lets say 80 to 400Hz) will be a big one and present a few inherent "brick walls". It will physically shade the midrang...
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Hi Gera"Has anyone done this and what were the observations of comparing different topologies."I have done just what you propose, I tried the JBL2490 compresion driver with a 3" mouth in a 110 hz horn well made, MDF round tactrix horn, it goes ...
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Yes, proper upperbass is what I am l longing for. In my current system, folded horn going up to 350hz is not satisfying me and was the starting point of this project. It colors and kind of covers up the sound of big bands and orchestras...
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After all I'm going to construct this kind of mid-bass horn.It is 35Hz, 4.3m long and 1.4m mouth....
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[quote user="noviygera"]
Murat,
I was looking at your midbass horn design and I am wondering, how are you planning to time align that long midbass with the rest of the channels that seem to be time aligned. I mean, currently the midbass is phys...
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Besides hornresp modeling, is there things to think about when starting design and build of midbass channel from scratch? The range I need is 60 to 300 hz. It will be used with 6db/octave crossover. It will be located under my midrange horn -- the mo...
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This is a very important question as since very beginning of the projects it was questionable if I would be able to get away with the back/top firing position of my midbass horn. So, as now, when the midbass horn project is over and horns fully i...
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I have identified a direction for my next speaker system. Whether it is a good one or not is a different topic -- I think it's a good one because I've lived with my current horn system for 10 years and have since developed an understanding of it's st...
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Today a guy I know from south coming to my listening room to hear my payback. He is mingling with horns, he heard my installation in city and he is very much interested to hear my new listening room and the most important my new midbass horn. He actu...
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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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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 am trying to keep the discussion about midbass horns out of ULF thread, I guess if Rakesh would like he can create a separate thread dedicated to his specific installation and the design ideas. I would like to keep the content of the posts more...
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Probably not one subject among horn enthusiasts does not arouse as much fantasies as midbass horns. This subject in one way or another was discussed at my site (look for the linked threads) but I would light look at the subject of the Midbass ho...
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The effect indeed is very interesting. I think it has to do with some complex phase interaction what the high knee of ULF squashes the lower knee of midbass. From general perspective I would say that this is not good as I would prefer to observe summ...
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Since I changed the LF transformer and increase the output stage loading I did address the problem with power limit. It looks like now the midbass does not clip at very high power and has some headroom – that is good. I however not absolutely comfort...
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Romy,I might have overlooked something on your site but I understand that your ULF amp is driven directly by the preamp line stage. If that is the case, you may want to consider an old technique for integrating subwoofers and drive your ULF amp w...
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This there is the last in the “THE PROBLEMS WITH HORNS” cycle. The previous threads might be found at:
Problems with horns: tweeters.Problems with horns: mid-range horns.Problems with horns: mid-range drivers.
This would be probably the most contro...
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I still do not know if it will be doing at in my attic and I already bitch that I do not like something. Well, it is me… Considering the cost, objectives and the level how my midbass horn will be implemented (if they will) one could feel that it will...
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[quote user="skushino"]My desire is to use a pair of bass horns for each channel, both vertically oriented, one each exhausting to the floor and the ceiling. I have an idea that spatial presentation will gain a big boost with both up and down firing...
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[quote user="jessie.dazzle"]I would think they might also compete with the mid-bass horns. The Auras can run up to 80, maybe 90Hz (you're probably going to say "60Hz max!!!"); would you really need to use the line arrays in the presence of a pair...
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Yes, it turned out to be the emails from GOTO importer. I am not completely understood if the horn at the picture above is an official GOTO product. The Ming Su said that the horn was build locally by Jeffrey Jackson with the support of GOTO but then...
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I need to say that for whatever reasons the midbass horns acts as a phenomenal tranquilizing sedative to listen some older recordings. The midbass horns make bad sound much more palatable and make attention to be much less distracted to quality of ...
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I realized you meant Midbass when you wrote MD. I agree that letting the midbass horn run full range on the bottom is not a good idea. My point was try the bass channel (Aura 1808) run much higher and share the same crossover as the midbass when cros...
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Ok, I have finished to setup the midbass horns and have fond a very good configuration with new transformer. The only issue remains is that now that I drive the out stage of midbass at 42W of pate dissipation – this is not a lot. I would like to driv...
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Jessie, yes from a perspective of general horn propaganda your post it correct but from the perspective of “reading the back side of the midbass speed bump” I would argue that it has nothing to do with horn loading. Look at the notion widely. I would...
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I spoke recently with a friend of my and was trying to describe the sound of my midbass horns. I said that if Wagner was able to have his custom Bayreuth Tubas then why I am not able to have my Bruckner Midbass horns. I kind of like the metaphor that...
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[quote user="jessie.dazzle"]Romy wrote:
"...The legato expressions the properly midbass horns handle with untouchable grace. The short and ultra short expression the bass horns tend to possess “longer” then it needed..."
I've sort...
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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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Discussing the Jessie project we multiple times mention the idea of the large midbass horn handing above MF section. Where else the 7”-9” might be positioned? The rational was to have it positionally contra-react the output of the upperbass horn. It ...
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