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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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drdna wrote:While I think a resonating speaker can add its own musicality to a reproduction, it is clearly adding harmonic distortion, etc. It may be pleasant, but you run the risk of needing differently tuned speakers for each type of music, m...
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Hello Romy,I just have build the postage used your "End of Live" scheme and Altec step-up transformers.http://picasaweb.google.com/alex.berger73/Phonostage#I have original EAR. After of 100 hours of working, the new Phonostage sounds more dynamic, ...
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Romy,Thank you.I think I should to give some break-in time to Sylvania 0a2.50 hours is enough? Previously I used in my EAR the next set of tubes ECC83: 1-Amperex (red print), 2-Amperex (red print), 3-Sylvania 7025 (yellow print).When I built "End of ...
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N-set, if you have an unused circuit in the apt., then its neutral may be an acceptable ground path (neutral stays "on" even when breaker is "off"...).Re, the phono calibration, I have expounded the SRA at length in the "Vinyl Ceremonies" thread. As ...
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Romy Hi, Raplh uses a 300b push pull, but the power supplies are massive, parts alone 15K Euros, each channel has a separate supply, the pre-amp again two massive power supplies , he prefers to use eight of the horn loaded bass bins, although I...
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I had my visit in Munich yesterday and the Cessaro´s performance was totally different. Tonally without any compromize, so it was a pleasure to stay in the room this time :) Unfortunately very much on the muddy side. I think I start to understan...
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My other love and career has been as a metal sculpture so I like to mix the two. It gives me great pleasure to see cool looking audio while ensuring that it sounds a good as possible to my ear. Using 4 of these tubes in my next build, I would like ...
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[quote user="thorsten"]Designers like Kondo San spend many hundred hours "voicing" their Amplifiers, allowing a blending of a variety of colorations together in such a way that the overall sonic impact is quite small. For many others (amateur or prof...
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G10 also makes a nasty mess after you've cut it, get's all over the machine, fine "stuff" in the fluid... nasty to work with unless the end justifys the means. so it's fun to bitch @ anyone wanting to use it, that the only thing gain...
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Of course you can do it all by ear, and I found that there were times when "my ears disagreed with the meter". As you note, signal strength and "quality" also relate to "mode" (such as Multipath), and not only broadcasts but also tuners vary as to wh...
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[quote user="Paul S"]But now I am stuck thinking that if the DSP/LF amps curves are aimed at 19 Hz, and 19 Hz is limited to 88 dB, then an equalized output might also be limited to 88 dB before clipping and/or "unacceptable distortion" from the LF co...
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MFA e-mailed me aknowledging that I was perhaps going to try the DIY way getting a "raw" transformer from S&B and offered me assistance. The "problem" is that their unit with a gain selector and load selector is way too expensive for my budget (1...
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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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For some time it looks to me like "the industry" has been sliding into a sort of Audio Dark Age. However, "the industry" continues to use more or less the same approach to promoting their stuff that they've always used. Certainly, despite the insane ...
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Paul,I first got into the geometry of playback after spending some time with John Eargle when he was at Delos. He had a simple microphone setup and demonstrated how to record and playback a 22 meter stage, or 25 or 16. Many of his recordings at Delos...
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[quote user="decoud"]Still partially wrapt in mystery, but here is potentially the first SS DSET:http://www.firstwatt.com/sit1.htmlI say potentially for that is not naturally Pass's direction, but each monobloc is designed to be tunable to its specif...
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These days I am traveling frequently and relegated to listening to music via headphones and "portable" sources. I will briefly post my brief journey as a personal log. It might provide a starting point for those who might find themselves in the same ...
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[quote user="joaco"]... 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 they tend to "smooth" a...
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Do you think you would lose the ability to hear stereo properly and that for the Van Gogh type person Mono is as sufficient as stereo? I am not sure that there is, deep down, that much of a difference between properly implemented mono and properly im...
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Brian,Microphone diaphrams, headphone diaphrams ,dome tweeters, all have to have the pattern applied with a technical pen i.e. Kohinoor or Mars. These are becomming a little difficult to find in all towns. A 50% mixture of Poly S and water should be ...
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[quote user="Paul S"]Anthony, congratulations on getting your project to this point! I mention without referring back to your schematics, I think you will be glad to have test points, along with variable resistors (trim pots) to re-set operating poi...
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no- there's no reason why it wouldn't make sense NOT to give 'er a crack-- at worst, i wouldn't like the results!i guess the difficult part really is sorting out measurement vs. hearing- tricky at best! trying to assemble sense from possi...
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... through an asshole is shit.For a total of $250 and a couple of days work I was able to get much better sound out of a cartridge I paid $5K for. I understand Fremer is a jerk but in this case his article was certainly worth the time I spent readi...
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I understand this is a "popular" piece of music (popular for classical music, anyway), but I never really got into it the way I did Brahms' PC 2 and a couple of others. But this piece came on my clock radio on a Sunday night, and I later learned it w...
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It's ironic that some of us have spent a lot of time and effort building a vinyl playback system that clearly reveals the differences in the recording curves. How sweet would it be to twist an otherwise-non-intrusive knob to set the playback curve co...
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I do not think my topology is relevant, (it took me 3 months to get my studio horns to sound right 20 years ago so I expect this again, it is a mix of mjlouspeaker transmission lines and this midrange m4 trial. And it is actually 2 systems I am w...
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Yes, it is built according to the schematic, but by someone else, from whom I have only just received it. The opt is custom-made nanocrystalline amorphous core, gapped at 300mA and running 200V/240mA.It is quiet, precise and very fast (which last the...
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Important thought I need to share with you all: try to make every piece of acoustical treatment accessible and adjustable for tuning by ear. This is perfectly in-line with acoustics theory by Skudrzyk (??????) and the great Wallace Sabine who defined...
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... 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 they tend to "smooth" all music but they do...
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Hi Romy,I feel very pleased for you. I was always somewhat puzzled by your descriptions of how you felt the S2 sounded, particularly between 600 and 1200 Hz. My experiences with a few different horns but always with a good quality SE amp were invaria...
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