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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Jordi:As another paralyzed (I have a problem in my leg), deaf (problem in my left ear), coma (I take a downer everyday for my anxiety problem) and nearly unemployed (my 2 self-employed business barely covers our household expenses along with the tuit...
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Someone please jog my memory by naming some previous true Class A1 SE pentode amps, since I can't for the life of me recall any. This might actually work pretty well if targeted for LF! Adjustable "feedback" could help tons with Z matching, a very ...
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Perhaps I should have mentioned before that the K&K is another spin-off of the well-received Arthur Loesch RIAA network. Also, the K&K's gain scheme is based on "classic" microphone circuits. While I am not say...
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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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This would be a fine feature, indeed, if it could really avoid second-guessing.The key for an auto-reader/adjust would be the ability to know if a given embedded range of frequencies is supposed to be louder or quieter. And to be of any real va...
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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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I suspect Mr. Fremer is not all that well respected here, but I found his article on using a USB microscope to adjust VTA/SRA very helpful. I was never able to set VTA by ear. http://www.analogplanet.com/content/how-use-usb-digital-microscope-set-9...
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In the absent of any counter hypothesis I stick to mine. By introducing a relatively high level of harmonic distortion at the beginning of the amplification chain with "natural" decay structure the result that reaches our ear/brains is most pleasing,...
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on Friday I will test CEC TL0X with MAcbook Pro/Berkeley USB to SPDIF Converter.The Berkeley Alpha USB use the Wavelength Streamlength asynchronous code. Mr.Gordon Rankin programmed these codes and sold the patent to some company like Ayre, Berkeley,...
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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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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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[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="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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[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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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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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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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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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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[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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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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... 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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The mono/stereo sentiments are not directally related...In some ways yes,,and in some ways no,,,But a complex answere would take a complex mix of remastering the program,, Ive done it both ways. And so has my long ago dead friend,, who had done alo...
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I wonder if you're doing your listening with the Bidat using its volume pot or you're using only vinyl with your phono correctors or maybe the ET-T-834 EAR using its volume pot. Maybe the Melquiades has its own attenuators. I'll be glad to know how y...
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just a couple thoughts: the nicest mini-monit0rs i've ever heard used an unusual mounting technique. http://www.enjoythemusic.com/magazine/equipment/0807/micropure_kotaro.htm i had difficulty communicating with the maker due to language ba...
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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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