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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Rick, I have been in building/construction for most of my life, and very comfortable installing the ground rod and lead-out wire, etc. Easy-peasy, if you ask me. You can drive the rod using a ladder and a demo hammer that is big enough to fit the top...
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[quote user="Paul S"] … When I listen before I switch to battery, then listen after I switch, the unit starts sounding better and better over about 5 minutes, then it improves very slowly like it does on wall polwer, depending on how long I've warmed...
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[quote user="Romy the Cat"]To my surprise, pleasure and horror they all turned out to be absolutely differently sounding.
PP2000 #1. This one that has been using all week - the updated my old PP2000 (new version of motherboard). This one the ...
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Romy and friends,
Reading about the sensitivity of your system to electrical power supply problems reminds me of the days when I used to make my own equipment as much for the learning experience as for the final result.
One of the mundane things I ...
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We have no proof what a UPS does. Intellectually, we are attracted to the separation of wall AC and our hifi. Unfortunately, that is obviously NOT the problem as too many real time UPS still sound "bad".The next intellectual assumption is that our Hi...
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Interesting Romy, particularly the "echo" affect and weird overtones with the aircap. I wonder if the thing is picking up resonances and if the impedance issue is responsible for the overtones... signal being modulated by the varying input capacitanc...
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One interesting thing about the inverter/battery is the constant AC voltage.My voltage is 122 volts 99% of the time with only a toggle up on the odd occasion and a toggle down on an even odder occasion.Since very few of us have power amplifiers with ...
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An electrical engineer who works for the power company (and who has no interest in hi-fi) was incredulous that I did not know that all "conditioners" and "regenerators" are aimed at a specific type of load, at least in terms of their ability to do wh...
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I can contact them again and ask for a price quote for the SLC. These people don't do audio at all. When I contacted them for my RE-1009/2T they couldn't understand how it was possible that any audio equipment could take any profit of their products....
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Rick, as I "remmember", the PP output waveform was a "perfect" squarewave, in terms of shape, but it's pulsed. And I think Romy said it worked with a load of up to 60% of "capacity". Does a different regenerator have to "work the same" to "sound as g...
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To answer the philosophical questions first - at least from my view:All apply, are measurable, BUT we have no correlation of the measurement to the brain of the listener(s).We are all ultimately responsible for our own behavior, so I believe that the...
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[quote user="rowuk"] Going in circles is bad for your health. Just like every other thread on expensive gear, the name calling starts where the good reason stops.Regardless of how we calculate, 100K is artificial because there are people willing to p...
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I guess there are many types that come here to GoodSoundClub. Some to "brag", some to "share", some to "police", some just to learn.I guess if your turntable is so important to you, then you could at least tell us how it is sonically "better" than th...
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N-Set, why would you disconnect from the house neutral, unless you are using battery power??? This "neutral" is the "ground" leg of your circuit! The house neutral wire is typically white, and the house ground wire is typically green. The "extra", g...
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Never had a 100kg power supply to play with, but I have certainly noticed that changing the power source affects dynamics (along with plenty of other things, too). I prefer my friend's system's dymanics when "grid power" is connected, vs giant batter...
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[quote user="Romy the Cat"]You would not need any “special” A/D converters, as I did impose any demeaned to “quality”. All you that you need to have a more or less reasonable tuner, a good antenna, strong reception and an ability to write it up at 24...
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I do not know folks, I never was happy with isolation transformers. Perhaps I did not have the right isolation transformers but what I had was not good enough. Perhaps we have different electricity problem in my and your countries…. Whatever I had ma...
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[quote user="Romy the Cat"]First of all I need to admit that I do not believe to people who claim that Purepower produces noise. My units are completely silent and I know other people who have completely silent Purepowers. I have no doubts that the p...
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[quote user="Romy the Cat"]You claim that it was “everything plugged” syndrome but I was writing about it years back and I thought that it was what you were doing. Even if you did not then in my view the superbly positive contribution of PP was still...
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Romy,I don't recall seeing a bypass switch per se, and don't know if the other control functions ofter something equivalent. I haven't really experimented with the 3000+ much, as my system is in a state of influx, with addition of items (entire cabl...
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[quote user="Romy the Cat"]I do not know, Model Two was not supplied with 'ground loop isolators', so I am not sure what you are talking about.[/quote]These are described in detail on page 8 of the User's Manual.[quote user="Romy the Cat"]I have two ...
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[quote user="Romy the Cat"]
...This feeling of lost phonostage really poisons my entire getting new house ceremony and I am very upset…Is it God punished me for the overly ambitions name of the phonostage – “The End of Life Phonostage” or is it som...
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Going in circles is bad for your health. Just like every other thread on expensive gear, the name calling starts where the good reason stops.Regardless of how we calculate, 100K is artificial because there are people willing to pay it. It has NOTHIN...
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[quote user="KOTriode"]Ok, I just read your "Melquides Remote biasing". This technic can not be duplicate in my amp due to DC coupling, the C3G (I dont use 6E5P) driver stage basically adjust the 6C33C current in the output stage. Just for curiosity,...
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[quote user="drdna"] Romy the Cat wrote:First of all I need to admit that I do not believe to people who claim that Purepower produces noise. My units are completely silent and I know other people who have completely silent Purepowers. I have no doub...
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[quote user="manisandher"] Well I can pretty much replicate the sound I was getting last year - simply have the DAC and power amps plugged into the PP and the PC plugged into the wall socket. The sound becomes brighter, thinner and more edgy. This i...
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[quote user="Romy the Cat"]From what you describe I conclude that you have ground loops regardless of the PPs and the PP juts highlights the problem.[/quote]This may well be the case. I can't even remember the exact components I was using last year (...
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I've had a new PurePower APS 2000+ unit for just over 5 months and recently the battery will not charge. After Damian of PurePowerAPS helped diagnose the problem they said they would do a call pick-up to send back to the factory in Canada for rep...
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CV,All that you point to is quite correct. My comments were based strictly upon which coil voltage would be a superior sounding electromagnet. The only benefit I can see to a higher voltage is the faster rise time in the voice coil of the induced EM...
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It was an interesting event today. I have a big air compressor home that got broken, so I borrowed a portable electric compressor from my neighbor. I plug it in outside the house and blew up the irrigation system, preparing it for winter. Then I bro...
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