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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="Stitch"]Probably that's the background to go for a 2 x mono Preamp [/quote]Hm, that is want “common sense” suggests being but I do not subscibe it. Fist is because the X-factor is not Lamm’s commodity, unfortunately. None of the Lamm’s c...
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Well, I was there, which is more than The Cat can say. In fact, The Cat never heard a complete WE system first hand, so I'll have to take that into advisement when the expected foaming-at-the-whiskers rant.I always wonder why people would giv...
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Paul,Rather than go SS, perhaps you should consider push-pull tube amps for each of your five 92-93 dB-efficient channels (I assume "channels" means frequency bands, not HT5.1 or similar.) Along with that, consider using a modest amount of global ne...
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[quote user="Amir"]AC power generation with gas seems to be a good idea, my friend had a idea about using AC motor coupled to AC generator for generating AC power.he told me we can use 50hz (in iran AC frequency is 50hz) AC motor (connected to home A...
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Which bring another interesting subject – will the PP2000 be able to handle properly grounds if there are two PP2000 handle in the same system. Bill what to run him SS monster from isolated PP2000. What I install my playback and will have essentials ...
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I am NOT going to buy a new set of KR 2A3's just to compare to my "vintage" ones, especially considering the price has gone up to $800 a pair!
However, a NOS pair of Sylvania "spring top" 2A3 tubes is on the way to me. So I will have some things ...
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well i never thought i would be opening such a pandora's box with this combination.firstly,the drivers have the plastic surrounds(whew,lucky!i know the diaphragms are potentially harder to source than the drivers)what indicators or criteria would mak...
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[quote user="Romy the Cat"]Are any of those new tubes besides the Chinese tubes are single plated?[/quote]I believe they are all single plated.
[quote user="Romy the Cat"]I have bought some very nice 2A3 and 6A3 double plated from 1942 and 1944 an...
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Floobydust, I do not have a lot of experience with listening the 45 of internal construction. I bought a dozen of so 45, all different brands and I will slowly listen them. However, I do not necessarily looking for better tubes but I rather am lookin...
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Alisa Weilerstein hit the jackpot this time - she will be playing in one of two greatest events of 2008-2009 BSO Season.
This weekend Hans Graf leads BSO with Brahms Double Concerto with Janine Jansen and Alisa Weilerstein. Ms. Weilerstein I think i...
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Say whatever you want but this company does have balls. To make nowadays 44.1K only transport for over $30K is a very strong statement. From a different perspective it might be good thing to do as many of today high sampling rate formats do not sound...
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It is entirely possible to buy a good flat CU-180. I have two from eBay there were correctly advertised as being flat. I have also seen them on eBay as being "slightly bent". Those you avoid.But I agree that a replica is a real possibility. I never s...
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which has no low frequencies to speak of, very small room, very insensitive speakers, SS amp... but is the only one that can play 24/88 files, DAC1 file sounds kind of "dated", as if it were recorded in a huge concert hall with tubed electronics and ...
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I was spending my time shopping for pianos a few years ago. I used to work too much, and was looking for an alternate 'right-brain' activity to balance all my time doing engineering at work. I spent a few months listening to every imaginable piano:...
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[quote user="Edgar="]Not Amplitude. It's the rock solid phase linearity. It feels like a brick wall all the way up and down. I haven't looked at any graphs and haven't measured anything but that is my guess. There is no question of the great tone of ...
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Yes, I have, but there aren't nearly so many around as people think. It is only the austere, often Blancs de Blancs style that's well suited to prolonged aging, most particularly those wines coming from the Clos de Mesnil, or just the ultra-rich, mas...
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Unfortunately its $1000,- total... Its not fixed, i can still do alot with that though.Alnico is better but only available in vintage drivers right? How does neodymium compare?The Jbl's seem to fall off fairly quickly. I dont need flat to 20K b...
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Don't worry Romy, I know exactly what you mean. I tend to discount the opinion of anyone who raves about a system's ability to play back patricia barber. Speaking of which, if I were in her shoes, bunions and corns aside, I'd be mildly...
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There are a couple ways to look at it.The project could be taken from the same sort of perspective as Great Plains, id est, simply new manufacture as a replacement for a 'historic' piece of a equipment. If it can sound close enough to the original th...
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For those seeking some decent compression drivers that don`t cost fortune, I can suggest to try the Eighteen Sound ND1460A compression driver. It has aluminum dome and polyester suspension and 1,4 inch exit throat. Does it sound like S2 ? Probably no...
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The most interesting thought to come out of this thread for me is surfing the wave versus making the wave (or, making a part of the wave...).Personally, I just enjoy listening to great music in my home, and I am happy any time this can happen. ...
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[quote user="Romy the Cat"]
[/quote] I received a link with description how the YO186 tube that drives my MF was used by Russians. In 30s and 40s it was used in portable film projectors PU-12 and PU-13. Below is the schematic of the PU-13 low frequ...
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[quote user="guy sergeant"] If the intention was to give people an experience of how large scale music/sound reproduction was or could have been 70 or 80 years ago, then the arrangement they chose was probably quite successful. A modern LF system wou...
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Celsius, I do not know what CCS you impended, did you drive 6e5p’s plate with constant current source? I also do not know/like 6e5p with battery bias. The only application that I find 6e5p suitable was the Milq-style bias with two gas tube driving ...
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[quote user="Jorge"] This is something I have been at for the last few years, I have tried a few drivers, at the moment some of my favorite are the vintage RCA MI 1443, yes filed coil and some funny cone diaphragm, they are used from 500 hz to 5 kh...
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The quality of microphones is irrelevant and if you use not 1/3 octave sweep but Noise Generators then you need to run time average on your RTA. Time average analyzers is fine but it need some additional experience to interpret the results. I do...
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[quote user="Joe Roberts"] The L-9 enclosures were wood on all sides. Sealed box. No ambiguity here.Wings were common on theater speakers for mid-bass reinforcement. Plainly audible improvement on these and, for example, A-7/A-5 VOTs. It is equivalen...
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Erik, I do not think a resistor in series would do as it will burn on itself some voltage and the coil will be driven by the same voltages. It would be good to put in place of the resistor a rheostat and to slide it up and down while slide up and dow...
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...rather than something more culturally appropriate..."it's the bubbles of nothing that make it really something"Macondo + Melq, at least in my room unfinished and still mono, plays the silences between the notes so wonderfully. The notes themselve...
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At CES there were Viagra-junkie sized power cords everywhere for $5000. Around our room were $10k and $20k speakers that sounded like a wet jukebox. It was the land of delusion.Value per topology is one way to measure but let's instead start with a p...
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