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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="drdna"]
Andy Simpson wrote:
This type of test is more commonly called DFD (difference frequency distortion) and is sometimes used in microphone measurement to measure acoustic/mechanical non-linearity.This is in...
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OK, I agree – it might be not necessary as PP2000 does produce fine electricity in a convenient package. Furthermore it violates the rule that I try to follow in audio generally: define snick objective and ONLY then render audio methods.
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[quote user="Romy the Cat"]
Knightcrawler wrote:
The 1808 was designed for a large vented enclosure. Just looking at the TS numbers would indicate a large vented box to be best. It also worked well in horn loaded designs a...
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[quote user="Romy the Cat"] After a few month of living with YO186 I think I know everything about this tube. I do not use the YO186 all time and I think the explanation why I do not use it all time would well describe what YO186 is and how I use...
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[quote user="Romy the Cat"]Get RTA and set the band-pass of acoustic pressure form the channel identical. [/quote]Yes, I need to get one! Although Bruce and my tech guy both advise that the RTA may cause more problems than it solves, ...
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[quote user="de charlus"] I propose to array the drivers, and horns, as laid out beneath, from top to bottom;Ale Acoustics 160Super (15hZ-1000hZ, 110db/w)15hZ - 150hZ Lower bassVitavox AK 151 (50HZ-8kHZ, 100db/w) 150hZ - 350hZ Upper bass...
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[quote user="Stitch"] Romy the Cat wrote:Epigraph"…just buy a used Micro Seiki and don’t worry about turntables anymore; built like a tank and sounds better than TTs costing over 30K USD.” Mr. Ikeda, of Ikeda / Fidelity Research The Main bitching It ...
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[quote user="Romy the Cat"] anthony wrote:I am not sure how large to make the filter caps for
the DHT channel. At this stage I think I will start at 3000uF and perhaps
try altering it a little up or down once the system is stable. Hm, it is depend...
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[quote user="Romy the Cat"]
Michaelz wrote:
Where does this come from? It coming from a danger that we all under what we think about those things. With all our desire to equate loudspeaker with a musical instrument this co...
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I'm a new reader of your website and one subject which interests me a lot is that of upper bass horns.As you have noted time and again (with which I agree almost completely, after reading a lot of 'research' [many claiming to defy the laws of physics...
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[quote user="jeff1225"]I never understood the affinity that the Germans have for heavy metal. Whenever you going into any of their rooms at CES (especially MBL), Slayer is playing at 130 DB. Maybe it's the modern interpretation of Wagner.[/quote] Jef...
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Though I have difficulties warming to the idea of the "headphone" arrangement for these horns, I do understand that we are talking about loading the room. Similar thinking lead me to consider setting large horns behind the listener in my own longish ...
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[quote user="Romy the Cat"]What do you mean the example of inductive Lpad? All speaker level Lpads are inductive. The speaker level Lpads work with low voltage and high current and therefore they use wire wound restive elements. Any wire wound compon...
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L[quote user="Romy the Cat"]
Lbjefferies7 wrote:http://www.weiss-highend.ch/computerplayback/Digital_Level_Control.pdfHere's Weiss's paper on the subject. It features a cat, so it must be right All of the explanations are beside the point, ...
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Quick reply. Would the ultimate turntable also take into account mis-centred records like the Nakamichi TX-1000?Remember it had a sensor arm that rose up out of the chassis to read how far 'out' the centre of the record was.I had one...nice to watch....
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[quote user="Stitch"] Amir wrote: audio is a hobby for many audiophiles and it is not a serious object to them, relation of audio with that 99.5% is like relation of a baby with his toy. all play the game but they do not think about the result as tha...
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Actually, in the history of music, rhythm changes inside a phrase are not that old. Hugo Riemann coined the phrase Agogik (Agogics) in 1884 and the following things were included:accel. (accelerando) – accellerate - play increasingly fasterstring. (s...
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Srajan have mentioned at his News Page (the only resource worth reading at his site) that a new CEC TL1N transport and CEC DX1N DAC become available, well available in civilized countries like Poland not in the countries were the fucked up distributo...
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[quote user="Romy the Cat"] dkarmeli wrote:If the rest of the setup is up scratch then all you get is the recording and you'll forget about they system. Your body and mind will relax and allow you to have the same emotional connection with the music ...
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[quote user="Romy the Cat"]
clarkjohnsen wrote:It does not take care of itself (what does?) and following the code doesn't get you there either…. Indeed, it is current leakage... but measured by the difference in potential. Clark, you a bit simplis...
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[quote user="Romy the Cat"]
BWO wrote:Look here on some clipped out material Jim Smith says about computer and sound:...
Certainly the position that Jim took in there is highly arguable to say at least. The only “excuse” that I might see in it t...
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Romy, I'm of course familar with your MF design and Jim's 6E5P curves is what I base my considerations on at this moment (along with the corresponding Spice model).Your DHT MF is quite self-balancing due to the large cathode resistor. WhatI have in m...
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The images are clickable. The test and the commentaries are less informative. Still, it an interesting information.
http://twogoodears.blogspot.com/2009/10/wjaas-best-of-crop-ale-acoustic.html
The installation that the are shown i...
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[quote user="Romy the Cat"]
oxric wrote:P.S. By the way, Romy, should you be wondering, I will not be setting up shop servicing a limited run of Vitavox drivers. Nope, you will not be opening the shop. To have a shop you will need to rent a space ...
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Bill, I do not think the images make senses themselves as it
is a strictly intellectual, and in a way irrelevant, commodity that has no relation
with reality. In order to have it connect to reality it would be wonderful if
you describe in details ...
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Romy wrote:" N-set wrote: let me point out that the force injected by the needle moving through a groove can apparently be quite substantial (loud passages etc) dynamically slowing down the plate.
Only with flimsy platters perhaps. With heavy ...
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[quote user="Romy the Cat"] joaco wrote:... this last time ive been doing some "ear" experiments and trying different setups of filtering . Just a question regarding a phenomena that im having , ive tried some ups/on-line regenerators and I think the...
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[quote user="Romy the Cat"]
tuga wrote:I was offered for birthday by my dear mother in law the choice between Cohen live or a Tosca open air performance.It took me some time to decide because this would have been my only chance to listen to Cohen...
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[quote user="Romy the Cat"] OK, I agree – it might be not necessary as PP2000 does produce fine electricity in a convenient package. Furthermore it violates the rule that I try to follow in audio generally: define snick objective and ONLY then re...
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[quote user="Romy the Cat"]First of all, if you have
multiple of PP3000 then be advices that them connected in parallel substantially
descries sound quality for each of them. Then might be use ONLY at different
phases of some measures should be ta...
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