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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi all.We are small company, dedicated to creation of highest quality audio products. Analog and Digital. We have auditioned many music servers on the market.However most of them do not sound as good as good quality 16Bits cd transport. The approach ...
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Romy, My Bidat being extremely sensitive to incoming electricity and now with Purepower in my mix I am getting to know my Bidat in a new light. I did think I had a grasp of what the Bidat could and couldn't do but feeding it through Purepower it has ...
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Romy,I've been using the AFI1 for the last few months. I haven't done any detailed comparisons with my other two 'interfaces' (actually, they're multichannel ADC/DACs with AES ouputs), but I think the AFI1 is excellent.The only issue that I have with...
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Audio people frequently go astray in their thinking and actions and this creates a good breeding ground for all possible audio sale opportunists. I would like to explore one moment that has not a lot of public attention and to look at the moment slig...
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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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Dave, thanks for adding some of your PP experience so far. If you will, I would like to know the makes and models of the gear you plug into the 3000+, in case you are otherwise light on the power supply specs, etc. It would also be nice to know you...
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Indeed a good review. The author in my view spent too much time promoting the theoretical benefits of symstrick power. I do not degree with all those theoretical justifications and the very practical natural nose rejections of symmetric power but it ...
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[quote user="Bud"]Yes. Their is a direct correlation between surge current and dielectric materials dielectric constant. The voltages in question are high enough to use a thick dielectric material and just as with the effective resistance of the capa...
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Paul, electrical engineering has as much to do with Sound as pimples on my ass with craters on the moon :D ! I think I understand our confusiona: you've probably seen some earlier circuit perhaps with one big 700V or 800V choke-input supply and then ...
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OK, now I recognize my S2 driver, thank God.
I was give to my new PS for MF channel one more change today to show itself off. I relayed the Hartmann ‘s first movement of the Shostakovich First Violin Concerto. As I said above the progress was very n...
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Finally done! A journey that took a total of 11 years after coming across this forum and seeing the Melquiades posts and schematic. Koshka has a beautiful body and will live on in my SET implementation of a 4 box solution. Here is the left channel po...
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[quote user="rowuk"]The whole idea of an earth wire is a path to ground if something fails in the unit. In most countries the (metal) case is attached to this pin on the power connector.It is incredibly stupid (and in many countries illegal) to lift ...
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I had some experience with bad electricity so i would like to share it here. My audio system does not have ground loop. 1- digital sources (I have CD Player) is more sensitive to Bad Electricity than Pre/Powers. 2- if your audio system Continuously p...
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Hi,[quote user="Genn"]May be it is time to review some basic concepts?[/quote]I am quite familiar with them, thank you.[quote]I'm using today IC based, Accu powered small amplifier, and it reproduces music, without any noise and distorsion from angry...
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If the idea is just to listen and not make any sort of manipulation, you may want to give a try to RuneAudio or Volumia or AP Linux, they are free anyway:http://www.runeaudio.com/https://volumio.org/http://www.ap-linux.com/Seasonic have fanless PSU, ...
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Hi , Wojtek !Of course , I have some ideas how to modify this tuner , but before doing it you need to check if it operates correctly ! I mean tubes health , power supply operation , DC voltages on testpoints , LC tanks alignment , etc . You see ...
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[quote user="Stitch"]My EMM labs CDSA-SE is very unreliable and I think, I will do a last repair or maybe I will throw it directly into the junk box. Depends on my mood...but I found some interesting Design from 47 Labs. But never listened to one.An...
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[quote user="oxric"]However, a new UK venture seems to have taken on board most of the criteria that I had set myself and come up with an off-the-shelf solution. Please see below:http://www.itemaudio.co.uk/windows_audio_transport.htmlI am however dau...
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Romy: you found your CD transport sounded better than a CD-ROM drive, is that right? That seems reasonable. But you've not stated what computer the CD-ROM drive was attached to . . .In an audio computer, the CD-ROM drive is really, really irrelevant:...
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Why are you so aggressive?Te specs on web site are most generic on purpose.We do not want the competition to copy our design before we applied for patents and protected our IP.If you'd like to know more details, call us and we will try to explain to ...
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What I find interesting though, Romy, is that many of the SET measurements show gross distortion even when putting out very low power, which suggests that they are saturated from the high static DC current running through them as they must for a Clas...
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Amir, I told of my own approach to wall power in other threads. Basically, I tried to make my gear as tolerant of AC variations as I could without simply smoothing everything over. My DAC runs on battery power. I modified the power supply and changed...
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Floyd,
Regardless your preamp uses output coupling cap you would still need a positive supply. Positive supply compensates the negative DC voltage at the amp’s input. Theoretically if you do not connect or disconnect the cable between your preamp an...
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Romy,I have several power amplifiers each of which sounds different. I might enjoy some aspects of what one of them does but feel that it could do other things better. Another of the amplifiers might have different strengths and weaknesses. None of t...
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Romy Hi, Ralph installs every pair of speakers ,I know that it can take a week or more to install and optimise the larger systems. There are plans for amplifcation , he is working closely with Mr Park of Allnic Audio. Mr Park has some...
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When you get a horn that will work i will trade for a couple weeks!I don't think wide band drivers are the ideal way to do things but the most cost effective way to injoy good sound i would like to make another pair to crossover from 3k to 10k.some...
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Without regulation, this amp would not work correctly due to its design: DC coupled and fixed bias. The high transconductance will make the bias current varied as much as 50-100ma due power line fluctuation without the regulators. It mi...
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In the case of the Audio Note field coil cartridge the field strength (and hence output) was significantly less than that from the permanent (AlNiCo) magnet equipped Io. Yet the performance of the field coil version (Io Ltd) was 100x better despite a...
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[quote user="Romy the Cat"]Anthony, I do not know what you new buffer is. A few notes. The difference between sub 10R and 300R of output impedance is significant for the load you have (Milq) between your new buffer and your 10Y preamp. The type of th...
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[quote user="N-set"](feel free to re/move this post to the electricity thread)As the power supply I'd regard everything from the power generator in the power plant down to the actual load.Why the power transformer should be the cutting line? I do hea...
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