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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="Romy the Cat"]
It was an interning event last night. The sound turned incredibly bad from electricity perspective. I did not have anything like this for a year or so it was very bad and it was clearly electrical. The PP2000 was workin...
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I do not know, I do not see a lot of sense on bookshelf horn construction. The core of topology resets to bookshelf configuration. A horn but it very basic nature is bandpass devise. As soon you introduce a horn then you automatically truncate th...
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For the sake of helpfullness, I think that we may separate the differences of the ported speaker designs of myself and Petar. What I have described is the standard, pedistrian model of a vented speaker. Petar's is a hybrid aperiodic-...
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[quote user="Andy Simpson"]Hi Tuga,I have no argument here.My main test procedure is to set up the monitors either side of the source and match playback SPL for direct blind comparison.If the blind listening subjects cannot tell which is real and whi...
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[quote user="drdna"] There is no mystery in how the machine works, really. A very crude analogy is how they used to put a dark blue filter on the camera to simulate night scenes in movies. It was cheaper and more practical to shoot ...
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Well, it took almost two month and much more money then I thought but I was eventually able to get very decent sound out of monitors. The SL600 sitting on my “fundamental channel’s” tripods did not do well as I told before and I was forced to s...
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Romy I have not herd so much doulble talk in a long time. Some of the best sounding drivers on the market in the last 60 years, were for sound reinforcement. I do believe, in a 2 way speaker system crossed over at 800hz with a good wood horn i wil...
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[quote user="Romy the Cat"]If I succeed to make my midbass horn at attic then I will face another problem that I do not know how to address at this point. The horns will be powered from Melquiades bass channels – it means it will use a good 70 feet s...
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I would like to pass some observations about my MiniMe progress. At this point it is obvious that the MiniMe project will be a success, even despite the pain of the ass with multi-amping and some other setbacks. The MiniMe will turn out to be a good ...
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If you follow this thread and my successes and tribulation with PurePower regenerators than you remember that I had problem with sound running two PP2000 for right and left channels. So, I had everything, including my DAW plugged into on PP2000,...
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[quote user="Romy the Cat"]
I always was kind of afraid of it. Any single zillion years tube I see is “NOS in box”, “measured as new” or “never work”. So, I wonder where those uses up old tubes are gone? Do people trash them or juts sell them “as n...
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No question there is noise bleeding in from the rest of house - I just don't know it yet. When something is taken away I can miss it but am not the most perceptive before being made aware of what to listen for.John Broskie talks about us being broke...
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The Western Electric L-9 in Munich was/is an infinite baffle design. The 754B woofers are in a sealed enclosure with a front horn. There is no possibility of cancellation between front wave and back wave of speaker, so I wouldn't call it an "open baf...
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Dear Romy,I do not know for sure.The best that I can tell from various internet articles describing WaveLab is that the Bob Katz features incorporated into WaveLab are for calibrating, monitoring and preventing excessive limiting. These are imp...
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[quote user="hagtech"]You are lucky to be able to bask in such luxury! It is one thing to build an amp for yourself, constantly tweaking and upgrading. Quite another to design a machine for public consumption, at which point things like r...
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[quote user="drdna"]Since both sides use different amplifiers, I think there may be incomplete correlation between the two sides in terms of coincidence of frequency response. Small changes in frequency response that vary with frequency and ampli...
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[quote user="Paul S"]Audio Note: This room had THE least problematic sound at the show, better tone and more Music. System was not stressed by classical music as they played it, with a “perspective” that +/- “compensated” for the relative “lack of ...
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Yes, the consistency is good but I have to admit that with all flawless operation of PP2000 I still observed some variation of Sound at time. I intentionally did not bring this subject up as it looks as none of the users of PP regenerators at th...
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[quote user="Romy the Cat"]
Actually the most interesting subject in physicality of ear to me is not the cochlea damping but the fact that brain and ear are liquid decoupled and whatever brain hears is transmitted through a liquid pressure wave. Of ...
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[quote user="Ronnie"] Did you buy the Denon?I'm curious because Denon D-M31 (speakers not included) is on a recommended components list by the Swedish LTS (Sound Technical Society).
Things with zero or low detected coloration, after meticulous list...
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[quote user="peter foster"] 3) A stereo recording of a beautiful piece of music that is well played but where the soundstage is imperfect.[/quote] Peter, we will do what we spoke in emails (there was nothing secretive in there folks), still ther...
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I do hate the colloquialism “Home Theater” but I do not think that another definition exists to define what it is. Whatever it is, I very much hate it. Back in 90s I had a quite refined “Home Theater” installation with 5.1 channels, quite sophisticat...
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With regards to the links, as it happens, I totally agree that 15in Tannoy Reds struggle to handle complex music. The crossover is too simplistic and the cones too hard to control with a low power amp. Reds can be lovely in a simple vintage system bu...
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[quote user="Paul S"]Please talk me out of trying the "new" PS Audio "Ultimate", which features "improved" "regeneration" AND "isolation".[/quote]
It might be not a bad idea, since the PS Audio sell honesty: 30 days trail period and money back...
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[quote user="drdna"] Honestly for now, the character of the tuner is unobtrusive enough that I notice mostly the problems I have with the preamplifier and the electricity. However, I would be interested about what you had thought at this point to be ...
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Potentiometers:
Paul S wrote:"...I could not get the current below 390 mA, even though the pots still turn freely
... How good are these pots? Do they actually have "stops", where they won't turn any further? Again, I ask because it...
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There are few evil things within the mechanism of High-End pricing. I will start form the beginning of my list:
1) Disassociation of manufacturers from consumers
The High-End audio manufacturers do not target their efforts to provide “service”...
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A few years ago a friend of my asked me what I feel might be a perspective product to go in high-end that would do well business wise and at same time topology would be optimized to serve better sound. I gave him an idea of a monitor, coupled with a ...
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Robert, G10 has no special damping properties that I detected. In fact it is some kind of plastic feeling material. It is “filament glass cloth material with an epoxy resin binder”.
http://www.polymerplastics.com/composite_g10.shtml
I do not fine i...
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[quote user="MINGSU"] If you look behind the physical time alignment and start discussion about relative time alignment, that is a good start.
…How will you know they are not already in relative time-aligned even most of them are not shown a...
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