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Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Very good, thanks for the images. It would be very interning to learn what the bandwidth of the horns, the bandwidth of the drivers and the specificity of crossovers you eventually chose to use with each channel. It might take for you for a while to ...
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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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MochaMike, yes you are correct it would not be the “softness” but rather”liquidity”. Still what you are taking is applicable for the paper cone 4 to 15" drivers not compression drivers. Who knows how the compression drivers will react.
To the rest ...
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Since the “no tilting rule” is one of the Macondo’s Axioms: (#2 - “All channels shell have strictly parallel axis”) then I would like to defend it.
[quote user="be"] The time alignment will depend on the geometrics of horn set up and listening posit...
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[quote user="Ronnie"]The next big problem with sound here I think is a difference in sound level between upper bass and MF/HF.Upper bass seems louder (and ought to be). Would you help this electronics-handicapped guy to pad down the upper bass horn w...
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[quote user="jessie.dazzle"] Regarding the Mid-Bass : If these guys are using the main block as a Mid-Bass horn (as Romy's illustration suggests), then the story is getting interesting, and the plot is definitely thickening... It would however seem i...
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[quote user="angeloitacare"] Of course, Avantgarde with their price tag never will be for mass consumption. I offered Holger then to see If I could commercialize his horns in japan, Do u know how much was the dealer price for a pair of trios at that ...
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Hi guys and Romy,I was inspired by Romy's recent videos on Dunlavy speakers, sound, and it got me thinking, about simple correctness of sound, when I seldom experience it. It happens at surprising moments sometimes, when you least expect it. This rea...
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This is very complex question and since you ask too generic question I would not feel that any answer is warranted. Generally you would never have the right decay in playback system as you will get 1.5 sec of reverberation time at 50Hz in 3000-5000 s...
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Nice posts Romy and Jan, agree almost 100%. I've heard the Behringer in an originally crummy system and it butchered things completely. The input levels were low, which as you point out, won't have helped at all.On a vaguely related note: I dunno if ...
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To keep with Romy's spirit of sharing his work, I have attached a file of VER 1.0 of the DSET Power Supply. There are quite a few differences to Romy's published schematics but it is basically the same beast. You will notice a lot of power transfor...
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I agree i have been making mistakes even costly ones. I had taken the biamping route with cary and krell on B&W , and that was the purpose of getting both the amps, to get the best out of both ,,,,,,it turned out mixing oil and water,,,,,the most...
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Merlin, I have nothing against Bernings, in fact I found it all educational as I never had exposure to them. Well, perhaps I did hear them at some kind of hi-fi show but just did not paid attention. I hardly believe that I will hear Bernings as I’m l...
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[quote user="Romy the Cat"]
(1)Interesting that you omitted in your response the “insultingly-extended HF”. I feel it one of the biggest problems as luck of “transients from distance” people foolishly substrates with a presents of bogusly-supplement...
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A site reader sent an email: “…but if they are using spaced microphones and one is five feet further away from the soloist who is not dead center on the stage, then signal will be delayed by about 5 millisecomnds. Or if they are using a spot micropho...
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Hi Romy,You wrote: Also, I remember that in 1998 or something like this when the first Sony SACD machines were only about to heat the market I was given a demo of SACD played directly form the original hard-drive and recorded via the original ...
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Well, this kind of reminds me of an experiment I did with multiple speakers each with a varied delay built into the signal path to emulate room reflections. This allowed me to manipulate and move the image around. The end result is to min...
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One Japanese classical music reviewer, Naoya Hirabayashi, who seems to be very keen on recording issues, blames heavy use of noise reduction and editing (combining rehersal takes, adding reverb, digitally correcting mis-notes, etc.) as two ...
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While I feel like the layout of an orchestra is a sort of sacred thing, I will never the less put forth the following question :
Is the layout of an orchestra time aligned?
Whenever I attend a performance where classical music is played by an orc...
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Yes, I agree they are different issues. However, quite a big however too...It all depends on where we believe 'reproduction' starts. We are very rarely simply reproducing the feed form one single microphone. Choices are made very early on in the reco...
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[quote user="vakman"]Thanks Romy.Good advise. I'll start by making the necessary changes to get all drivers aligned as suggested and will take it from there.Once again, really appreciate all your help.[/quote]Hi, there is processing delay in MiniDSP....
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The room is beautiful, and I love the tree stump "rack" with the amps, it is clearly a work in progress, but they already put in the "Western Electric" badges on! It talks a lot about their priorities I guess!They have what seems to be a midrange ...
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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 physically 4.3m behind all o...
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[quote user="Romy the Cat"]The midbass horns dodo fine attack of the short notes but they all delay with decay. If to make an amp that would shorten decay of the fast notes then it would be a phenomenal solution. [/quote]Your midbass horns have delay...
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Hi!
I just thought of something that could have some relation to this topic:
Take a horn with a driver, the driver produces a signal, the pressure wave will travel outwards more or less like a spherical wave front along the axis of the horn, think ...
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Hi Romy
a good sound in a room does not depend only on the speaker chain, but essencially also of the room acoustics. Probably many of the Trio systems didn’t sound right just because of that…. I was at Holgers Home in Lautersbach back in 94. He ha...
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This article was written by Johan Dreyer in 2006 posted at AA and the reposted recently at a Johan's local South African forum:
http://vinylsa.co.za/forum/viewtopic.php?t=1016
I desided to give to the Johan’ thoughts some exposure at the horn-citri...
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In the linked there above “Barn Conversion - James' Project” I have expressed my attitude toward low frequency bass. I certainly not “against” bass horn it but have “concerns”. The “open bottom” concept that I invented for myself is always make me to...
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Romy
I think what I gained from the basshorns were 1. "Speed"or lack of momentum.Specifically deep notes on piano.The sensation of that leftmost keys with the initial impact then followed by the resonance from the instrument as separate entities.I...
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This is the text that John posted a few years back at Triode Mafia. John allowed me to post it here warning that he have learned more about tapped horn since then and hat his opinion might have changed since then. -- *****************************...
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