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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Well, Jim, it is time to say “Oops!” I told to myself do not make any posts early morning unit I eat a bagel but this mooring I disobeyed the rule. Anyhow, I do not know how I come up with 28.5V RMS. Defiantly it was peak-to-peak on the scope and I r...
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[quote user="Romy the Cat"]I thought that the folks who are interesting where I am going with my Macondo should know that am still working with Vitavox S2[/quote]OK, I think now I’ve learned whatever I need to learn about this driver. In order to und...
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Well, I would say that “something is wrong” as what you report it is not how it shall be. I had my doubts about the rational to use 6C33C in direct heating coupling but the “danger” in direct coupling uselessly coming from the plate of the driver...
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A correction: the installation above is not Reinhard’s but by Klaus Speth. Klaus and Reinhard experiment with audio together and Reinhard has his own Goto setup. Here is more information about Klaus’ system with Reinhard’s comments:
Midb...
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In continuation to the "A new round of Pacific’s DAC listening" post.... I have a number of revisions of this little contest between two DACs in this thread and in other threads. In all of them the Lavry 924 has a little edge over Pacific Microso...
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No mater how ridicules the title of this article sounds on my site but I was quite glad to see the in the May’s issues of Stereophile the Robert J. Reina review of Advent loudspeakers. I do not think that Advent’s review is a sign of some kind of sin...
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Cellist Natalia Gutman and the Boston Philharmonic: Prokofiev and Brahms at their Best
by Elizabeth Perten
Under the baton of Benjamin Zander, the Boston Philharmonic Orchestra presented two masterpieces: Prokofiev’s Symphony-Conce...
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There is a popular myth that all horn people in one way or another subscribe to. They believe that reflections from higher frequency horns off the bodies of lower frequency horns is unavoidable destructive price to pay for horns time aliment.
This ...
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In his RMAF the Federated Mike post some comments about his use of ML3:
http://www.audiofederation.com/hifiing/2008/RMAF2008/report/1500/floor_9/#audio_federation
Even though his comments from my point of view have “issuers” but Mike’s comments sti...
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[quote user="Romy the Cat"]
Jordi wrote:
Let us take the example of piano. When speaking of virtuosity, many classical-only listeners who listen to Sviatoslav Richter, Josef Hofman, Busoni or Paderewski for ...
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Hi folks. Who ever listened to Living Voice Vox Olympian Speakers might've liked them as much as I do.
They got a great realism in their projection. Some things are obvious, some even claimed.
Its claimed to use excellent drivers, high quality ...
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Well, I did not mean to express any specific attitude to Bottlehead people - the only experience I had to them was a few years ago visiting their meeting right here in Boston (I did not know what Bottlehead wa all about at that time). The meeting was...
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[quote user="Romy the Cat"]
"...Jessie, I pulled posts from Macondo Axioms thread and encapsulated them onto a new thread dedicated explicitly to your project. I hope you do not mind..."No problem... I was actually starting to feel a bit apprehensi...
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OK, this morning I tuned the playback and did some listing, trying to understand what was the problem. Sound was not just bad but it was very strange, it was almost as a mechanical replica of sound. I took my phase meter trying to set horns in ph...
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[quote user="shannon"]couldnt get "insert
iamge from gallary" to work so i attached it. Had it working for a couple weeks. Single stage 6e5p testbed. The
B+ rcore and output transformer is underneath. In the end r23 of 30k
worked with 30h chok...
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Luckily, im just bored in the office, so I can reply right away ;-)
Well. That guy looks like doing nice quality. Id go there.
Knowing your profile a bit, Im not surprised you don't want a digital delay on your mains.
For me theres no non-digi...
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[quote user="twogoodears"] I learned nonetheless to use for my (limited) task (fine tuning my speakers and audio system in my music room) the great IVIE IE-30 R.T.A. and IVIE IE-20 white/pink noise generator [/quote]
You do not need white/pink...
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A couple months back I sent to Dima a link with a wonderful collection of audio articles from first part of the 20s century:
http://www.one-electron.com/Misc_Docs.html
In next couple days, talking with Dima he asked me: “Roma, what is REL Company a...
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[quote user="jessie.dazzle"] I live where FM program quality justifies a good tuner. Despite getting what I consider to be really excellent sound from this modded TU9900, I will one day compare it to a TU-X1. I will post my findings here.[/quote]
Je...
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[Quote] would you accept a photograph from a camera if it didn't do "blacks" and "extreme darks"?
[/Quote]CRITICAL POINT 1VISUAL PERCEPTION AND AESTHETICS ARE NOT VALID MODELING SYSTEMS FOR MUSICThis is why imaging is a screwed up way to talk about ...
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I want to kiss this damn thing! I agree with Romy that hearing a good FM redefines what a (true) high-end is. For the past 5 days I've been listening for live FM streams of baroque concerts from Gdansk http://www.actushumanus.com/
Covid dest...
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This looks a bit like a giant ear canal, but in a way, it's the
opposite. It's the largest horn in the most powerful sound system in
Europe. The system's maximum output, according to the European Space
Agency, would kill any human exp...
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You decided to go with mA or are they mV against 1R resistors?
I prefer the second approach personally and I feel that I can moderate the quality
of resistor and I can’t moderate the quality of the milliampere meter coil.
The whole thing looks l...
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[quote user="Romy the Cat"]I did not say how my saga with APS Pure Power regenerator finish but it never finished. Since the end of the last year the regenerators is sitting in my closet and I have sent the unit’s main board to APS people for the “re...
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I actually read the review carefully.
My initials sentiments were very accurate. Knowing the Vladimir’s reaction to those thighs I might presume that he also feels that this level of “intelligent writing about audio” is no more intellectu...
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Romy, thank-you for your help so far. Unfortunately I now have some more hopefully simple questions regarding the "pre-final" schematic from your "6 Channel
Melquiades" thread (see below). 1.
Do you have a “final version” of the
schematic any...
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In this section I will brief cover operational parameters of Purepower 2000 regenerator. I do not have a lot of fun to write this section but I feel that for sake of objectivity it is necessary. Also the next section – the sonic observations - might ...
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In her autobiography Galina Vishnevskay (the Rostropovich’s wife) wrote (translation is mine):
“In Moscow we spent only three weeks, and then by plane we returned to London to participate in the Festival of Soviet Art, just before 21 A...
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The irony is a battery cannot STAY at any voltage for long and as the voltage lowers the current requirement becomes harder to fulfill. The LiFePo will stay above 12 volts for far longer than the AGM if the graphs are to be believed. One m...
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After years of using the Expressive Technologies SU-1 and SU-2 step up transformers I come across to a fact this morning that the Expressive was reviewed by Robert Harley in June, 1992. I read the Expressive’s preamp review but I never seen this one....
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