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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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A. Wahlsten,this speaker is very well suited for time aligning physically. The more "DSP corrections" that we add, the worse things get. In addition, DSP time alignment can only be useful for one seating position and distance from the speaker. It doe...
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Romy and Dima,
Thanks for the update on the delayed Time Delay research. I sincerely hope the device performs to your expectations.
I will follow your progress with self-centered interest, because in my case, the best scenario still puts the ba...
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Nope, I did not find or have anything tangible. The idea bout the modulator and demodulator did not go further then juts an idea… The caT...
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[quote user="Antonio J."] Regarding the delay timer, he says that using the Magnecraft pre-built timer is overkill at 120 USD and he can design and build an equally suitable circuit for way less money. I suppose he's skilled to do that.[/quote]What a...
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Yes , the idea of time delay machine is completely clear now . I made some experiments with analog and digital parts of the circuit , ewerything OK , and I need to assemble all the parts together , but now I am finishing the new hybrid class A amp - ...
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[quote user="Romy the Cat"]
2) I do not think that you will be able to time-alight the upper bass channel but you need to wave-align them. Make sure that upper bass and MF tit the top of the wave at the same time. the w...
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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 resting on the floor, cut...
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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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[quote user="Romy the Cat"I have a very clear idea what kind elements I might be using in there and the whole Cetla Ledom ides is very much cleared to me. There are just two subjects that I do not know at this point: time delay for bass channel Can Y...
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This sounds like a good guess too me. I remember romy uses from time to time a delay machine on his bass towers, but it had to be adjusted for each recording and was too much of a pain. Maybe he has found a way to integrate a wider range rear channel...
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Josh, I think that you touched more complicated subject then you think. Let me to explain why I feel this way. The fact that I advocate a dogmatic, religiously-stubborn, almost paranoid time alignment of the channels is not a secret. I do feel very c...
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[quote user="oxric"] Firstly, the costs involved and the real chance that this project might not work make this project statistically a horrible waste of money, time and resources which could be better spent in pursuing other solutions which are ...
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HI all, my first post, although have been reading for a long long time and have contact with some members. Great site.Wanted to share with you my experience with a PurePower order. and my huge problem... I have read terrible things here before but I ...
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Thanks Romy for showing us this work and the thoughts of its creator(s).I'll say it again; the world needs more people like these guys: Human creativity remains the only saving grace of an otherwise pathetic species. It would be most excellent if Kl...
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[quote user="Antonio J."] Regarding the delay timer, he says that using the Magnecraft pre-built timer is overkill at 120 USD and he can design and build an equally suitable circuit for way less money. I suppose he's skilled to do that.[/quote]What a...
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I've been kicking around the Stupid and Lazy Version of this for some time, where one simply runs two different, "characteristic-[un]matched" drivers on the same frequency band. Oops... So, why not the same drivers pushed by the same amps that a...
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Romy:I hope you go ahead with your project of installing the horns in your attic as you are probably the only person who might pull it off, but if my opinion was solicited, I think you would be very ill-advised to do so. Firstly, the costs involved a...
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I half of my site dedicated to bitching about the problems with time alignment what it is imposable to do by pure real-estate efforts and a lack of clarity how it could be resolved properly. Sine this subject is the prominent for any horn user I deci...
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[quote user="Romy the Cat"]Eli, I do not think that it is PurePower objective to grab your money and to run. They are notorious with delays and it certainly might be unpleasant. With all due respect: 2 month delay is kind of nothing and if the unit ...
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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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[quote user="Romy the Cat"]Gordan, this is slightly different
concept. The presence of multiple
outputs
with volume control does not assure that each of the channel has own time delay
circuitry. Plus it look like Najda
does volume at d...
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[quote user="Antonio J."]I've tried to listen online to WHRB, they're supposed to be broadcasting the continuation of Stravinsky's orgy, but all I get is a stream with some pop singer. I've checked their schedule and it says nothing about orgys, and ...
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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 have just started thinking of something like this for midbass/ULF: floor firing one-eigth horn (TuneAudio Anima inspired) with the scanspeak array (in green) attached to the side.There is the obvious problem of time alignment, but I can see no wa...
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Thinking about the integration scenarios of my midbass horn I come to a realization that it highly possible that the horn in THIS room will do something very unique. I have wrote before that I was successful to set channels delayed but the delay ...
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I know the standard logic is that everything needs to be time-aligned, but essentially the lower the frequency seemingly the less critical time-alignment should be, at least on paper. I've heard of studies where it is suggested at low frequencies th...
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Yes, you are correct Paul that the space must be in the recording. Most don't have it, especially multi mike recordings and digital. Analog two mike have the best stereo, especially spaced Omni’s, and digital recordings from analog masters have more ...
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[quote user="Romy the Cat"] 1) Horn loaded drivers are narrow-bandwidth transducing system. The wider range a horn channel covers the more it conflicts with restrictions of own topology.
2) All channels shell have strictly parallel axis
3) ...
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[quote user="Romy the Cat"]
The point that am trying to make is that the subject of the “home use“ driver vs. the “pro use drivers” is a bit complicated and the thing are not so clear as you, Stefano, is trying to present it to yourself.[/quote]Tha...
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I got some time on the PC to start to think about how to layout the DSET. I plan to build it a little like a skyscraper: multiple levels separated by component groups and functions. So mains transformers, AC socket and perhaps time delay rel...
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