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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Something very interesting happened today in my battle with the incessant buzz in the PP2000. No, it did not go away unfortunately, but I learned something new.Perhaps inspired by the recent discussions around the original pressings, I decided to spi...
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Yep, that looks like very bad. I am sorry folks you get hurt. I still get my two PP2000 of vintage wherever I got them, they are spectacular and I love them greatly. Since I got them to work properly (after the shielding accident) I have no single ...
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Hi Romy,So, six channels are now operational in the first DSET. By up I mean the anode voltages on all tubes is about right and the currents are in the ballpark of where they need to be. I am yet to check the DC Offset so hopefully that goes ok.Ini...
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Ok, it is a lot of information on my plate and I am trying to make sense of it. Below I will share my observations about the new Pure Power 3000+.
The first thing first. In the post I made a few days back:
http://www.GoodSoundClub.c...
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For those seeking convenience or the plain lazy there's an interesting and very affordable gadget from Van den Hul:
POLARITY CHECKERWorks without a battery, thus is always ready for use !
Its liquid crystal display safely senses and indicates the v...
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John, thanks for answering, but I am still a long way from understanding exactly what you are suggesting. I understand if you want to keep something proprietary, but even then I would need to have a clearer "picture" of it. This may be at least par...
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There is nothing that forced me to come with it. I is not that I am frustrated with electricity of obsessed with conservation idea. Furthermore it is not that I drop everything and will do anything with this idea. Still, I think the idea is ver...
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Romy,I merely thought that you felt I was riding roughshod over your advice, when it was in fact a degree of naivety requiring extensive clarification that may have made it appear thus. Regardless of your indifference to praise and/or criticism, I'd ...
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[quote user="Romy the Cat"]
Haralanov,I spoke with a guy who consulted me during my Electo-Vitavox project. He helped me with selection of core material, deliberated the core and calculated the right coil to keep the core mass optimally magnetized....
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I would say that there are advancements where you would get far more unanimity on the progress that had been made than one would do for audio after the development of tape. I don't think anyone would want to go back to cylinders. So there are advance...
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[quote user="eli8888"]Romy I have not dealt with it at all. By now and after many years, I have come to the conclusion that electricity has an effect on music. Some days it is good, some is just ok and some is terrible. And I have tried several solut...
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I'm not sure exactly what I expected from swapping the digital cable at this point, but what I got was not it.Before I bought the Belkin Synopsis cable I just swapped out, I had sought out and purchased an Acoustic Revive cable, on the strength o...
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[quote user="alexd"]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 wil...
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Power from the company grid is usually pretty decent in most respects, or at least it used to be. In the last 25 years or so the average home has seen an increasing number of devices which have switching power supplies (computers, monitors, etc...
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- The noise has two phases - large noise and steady state noise. Large one ocures when the PP is switched offline and then switched on. This noise depends on the input (SUT or MM) and the orientation Signal enclosure vs power supply
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[quote user="drdna"]I beg to
differ. It may contribute to the unique sound of the PurePower. I still have my
old SA-3 amplifiers made by Nelson Pass. The massive capacitors take up 90% of
the inside of the amplifier, and it does have an impact on ...
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Hi,[quote user="morricab"]You may be right. It would perhaps be worthwhile to look into "better" transformers but I am not sure that an advantage can be found over just going RCA to XLR adaptor into the balanced inputs and thereby bypassing the...
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PurePower Canada has officially earned the title of the single worst company I have ever had to deal with. They are either stunningly incompetent, or simply criminal. The degree of incompetence would have to be so great, though, as to be virtually im...
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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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Kishore, I do not really know what is
going on with them. Last time I dealt with them it 2 year back. The display on
one of my units went down and I reputed to them. They told me that is was
faulty and sent me a replacement. I was not able to ...
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The irony is a battery cannot STAY at any voltage for long and as the voltage lowers the current requirement becomes harder to fulfill. The LiFePo will stay above 12 volts for far longer than the AGM if the graphs are to be believed. One m...
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I did some research about non audio marketed AC regenerators. The terminology used commercially is either "online" or "double conversion" UPS. They all have expandable battery packs. There is another topology called "line interactive" which is equiva...
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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 absolute...
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I set two multicells with LF-enabled S3 drivers. I set them on the outer side of Macondo MF. Playing with crossover, volume and towing of the multicells I was able to a degree to get the effect that would like to get. The pointing the multicell...
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I do not know it is just Triamp or 3-chenal DSET by the direction is good. The amp was mentioned by Twogoodears on his blog.
http://twogoodears.blogspot.com/2010/03/triamp-tm-by-thomas-mayer.html
I do not know what he mention abou...
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Haralanov,
I spoke with a guy who consulted me during my Electo-Vitavox project. He helped me with selection of core material, deliberated the core and calculated the right coil to keep the core mass optimally magnetized. He has over 40 experi...
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[quote user="Paul S"]
I'm not sure exactly what I expected from swapping the digital cable at this point, but what I got was not it.Before I bought the Belkin Synopsis cable I just swapped out, I had sought out and purchased an Acoustic Revive cab...
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[quote user="Paul S"]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 g...
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No question there is noise bleeding in from the rest of house - I just don't know it yet. When something is taken away I can miss it but am not the most perceptive before being made aware of what to listen for.John Broskie talks about us being broke...
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This might be a good time to chime in to report that I removed the PP from my system a few weeks ago. I had suspected for a long time that the PP was injecting noise into the system and wanted to remove it to test its effect (or lack thereof in t...
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