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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="AOK_Farmer"][/quote] Steve, you know me. If it were up to me and I would need to convert you room into my room ten I would starts with divorce, as anything following has little compliance with married status.
Then I would add a fe...
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ULF is a consent not implementation.
I did experimented ULF based upon aura 18 in past and now I have the line-array
with 10” ScanSpeeks. The ULF is something that you should not be able to hear without
rest of the system. With my current ULF when...
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[quote user="anthony"]I plan to
build a fullrange Melquiades for a friend and then if that works out the DSET 6
or 7 channel version for myself. [/quote]
That is very good approach in my view. The
problem is in this approach that you have t...
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What would I do if I move to a much larger room and the power of Milq’s full 6C33C would not be enough? Surely it would be possible to go for transmission tubes but they all high plate impedance and high voltage. If I parallel all my bass drivers and...
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[quote user="slowmotion"]Your ears ( or some other hearing/sensing mechanism in your body ) "feels" large objects around you, and I think they will definitely "hear" relatively large upperbass horns mounted in the ceiling, even if no music is playing...
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[quote user="Dominic"]I'd put your sub horns above your head. There are some big issues with that but you save a lot on concrete engineering, and assuming space remains in future you could apply what you learned from the overhead wood horns to a more...
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Well, this for the tip of multi-layering the vertical panel. I like it a lot. I will allow keeping the mild panel thinner and more “airy” visually. The total high of the thing will be not 8’ for rather somewhere slightly above 6’. Also, I review the ...
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Yes, the "Injection Channel" consists of a pair of Tannoy Reds, used as direct radiators, in sealed enclosures. I would not say that they overly specifically optimized. I did many optimizations equalizing them, filtering them but I never was able to ...
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[quote user="jessie.dazzle"] A technical understanding is necessary and I am always trying to learn more... [/quote]Jessie, you might at this point have worries/interests about technicalities of horns operation or a desire to find theoretical justifi...
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[quote user="drdna"] The very fact that if you are close enough to the array that the integration fails, thus it proves the issue exists. [/quote]
Hmmmm, the issue exists, yes it does; but I would like to point out that it is necessary to recognize ...
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Hi Romy and thanks a lot for the always interesting topics and discussions going on... I'm quite new to DPoLS and consider the approach of "obtaining sound in a room" more than "speakers positioning" - too often to WAF fullfillment and aesthetics, th...
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Robert, what I meant is following: when you will be collecting requirements for you own drivers specification and will evaluate the implementation methods then you need to have you own identity what you are trying to do. I might post a lot of differe...
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[quote user="haralanov"] Some time ago I also thought my upper bass channel is flawlessly integrated, but when I added another, symmetrically arranged UB driver (over my WR driver), I quickly understood the new configuration is MUCH more expressive a...
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Thanks, Josh. I looked for it and found a good link that accumulates a lot of recourses about Danley DTS-10.
http://www.avsforum.com/avs-vb/showthread.php?t=1189404
I did not know about DTS-10 but this morning I did sent to Tom a...
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[quote user="Markus"]Re-reading, I realise you stated your preference for a sealed bass array only in relation to Dreyer's bass horn, not to bass horns in general.[/quote]Markus, it is not only about the Dreyer's bass horn. It is about lower bass...
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[quote user="jessie.dazzle"]In this case, below 50Hz, I think el`Ol is right to suggest that you consider using DSP as a permanent solution. The SMS 1 is in theory the silver bullet... You just need to find out if you can live with it long-term. Be...
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[quote user="Romy the Cat"]However, in audio the coordinate system is not geometry but hearing and human hearing is not equally-dimensional. Humans, juts because the position of ears on heard have much higher sensitivity to horizontal sound source he...
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There were plenty it of them made: Techniques 9500, Excusive 2301, Iwatas, JBL 2350 and JBL 2345, Vitavox (narrow) and few others … They kind of very strange horns and I always was suspicions about them. Though my suspicions are purely theoretical: a...
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James, you said that “Romy seems sure that Line arrays will only work properly when used on the long dimension of the room”, still you do not defined what it “only work properly”. Wherever you put the woofers they will work – the question would...
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[quote user="MochaMike"]A stereo three way horn system with a dual concentric 15" woofers backloaded to 50 cycles and front loaded with a short round tractrix horn 200-800 cycles handed off to the concentric 2" com...
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Collin, there is one more tip for you how you might bult a very inexpensive but very good performing MF channel, thought it might be slightly time-consuming…
It is not well-know but some, primary Japanese companies like JVC, Yamaha, Hitachi, Denon ...
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[quote user="Romy the Cat"]Still, I feel that methodologically it is not right
way to build a playback. [/quote]No disagreement from me on this point. This is all just a thought bubble for now. Even if I wanted to press go on this project based ...
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[quote user="CO"]But Romy, you also have the different channels in a curved array ? Whats the difference I know your's are time aligned but the Utopias must be as well.[/quote]
Collin, you are correct the Macondo and Utopia implement the same curved...
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Romy, I do agree with all your comments. It is true that the magnitude of the rubber taste very much depends on the crossover frequency. I used them below 64Hz, but with first order filter, implemented before the amp that drives them. With that kind ...
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[quote user="Lbjefferies7"]I will be laughing my ass off when I visit the GoodSoundClub website and read about a certain Cat who was finally motivated into tuning the ports on the Mini's specifically to "adjust" Macondo's sound! I am reminded of...
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Well, jessie, this "home move" turned to be a bigger discovery of myself in many ways then I thought. I am 42 and I lived all my live in city, I never had any usable backyard, garden or even plants. The only green things I ever have seen were ins...
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[quote user="jessie.dazzle"] Assuming one will not get anything under 50Hz (usable) from a 40Hz horn, I interpret the mission of lower-bass channels in the context of a horn system as follows….[/quote]
Hm, this is a bit tricky with bass. A pla...
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After spending two weeks with high-passed Celestion SL-600 reinforced with external LF section I would like to make some observations. I had a single SL-600 monitor (I always tend to use one for assessment purpose) on it’s original stands in the very...
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[quote user="Paul S"]Romy, perhaps your ScanSpeak arrays are a +/- natural fit for mid-bass? If you used them for that you might also push them down a little until you got your ULF solution. The "nice" thing about this is, you might use something r...
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[quote user="be"] Instead of defining the ULF range from the reproduced instruments, it is much smarter to do it based on the first resonance frequency of the listening room, because the frequency response of a closed room has a 12dB/oct rise in ...
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