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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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John, what you say
about power factor correction is completely accurate and very much makes sense.
There is a many ways to do it BTW. You can do it with caps compensating the
inductive load, you can do it with filtration or you can add active SS c...
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[quote user="Romy the Cat"] 1) It is not strictly audio project but it kind of related: I need to move my audio site out of my static IP DSL line to a data center. I have high-speed ADSL but the site has a lot of traffic and my crappy DSL li...
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I was reading the Stefano Bertoncello's post about his new multi-amping again options.
http://twogoodears.blogspot.com/2010/09/multi-amping-again.html
.. and I feel that it would be a good idea to brief summarize multi-amping cros...
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[quote user="Romy the Cat"]In the light of my forthcoming move I deal nowadays with much more prosaic problems then NASA's Mars programs. I for instance am trying to strategize what alternative power I might use to power my sump pump and am tryin...
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[quote user="rowuk"]Amir,In live music, we have intermodulation. Two trumpets or a trumpet and oboe playing together create sum and difference tones that change depending on pitch interval for instance. For music in major keys, this intermodulati...
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Steverino
I live in a big complex (6 floor - totally 200 apartments) and I can not have my own dedicated ground .
there are three phases AC Power in the building and one of them is not good, sometimes the AC voltage goes over 230v and ...
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[quote user="Romy the Cat"]I did not say how my saga with APS Pure Power regenerator finish but it never finished. Since the end of the last year the regenerators is sitting in my closet and I have sent the unit’s main board to APS people for the “re...
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I have not tried this yet, but it looks very promising.
Studer makes a wide range of off grid solutions. One example is used for sensitive recording, a Studer AJ400 pure sine wave inverter connected to a car (or better quality) battery putting out ...
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[quote user="Bill"] ….It does produce the cleanest electricvity I've heard in my system in over 30 years of trying… but I'd rather trade out the am than lose the sound I'm getting from the unit.[/quote]
This perception of the relationship betw...
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[quote user="AnonymousUser"] Sorry for the delay but my computer is down! I would like you to tell me squarely why your amp sounds to your ears better than the lamms tenors and the likes! what is if you prefer the impact of yur driver stage compared ...
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Well, it is sad but all across internet, and at this site (http://www.goodsoundclub.com/Forums/ShowPost.aspx?PostID=20851) there are comments about pure Purepower service and problems with Purepower units that they "improve". I kind of sympathize w...
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HI all, my first post, although have been reading for a long long time and have contact with some members. Great site.Wanted to share with you my experience with a PurePower order. and my huge problem... I have read terrible things here before but I ...
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[quote user="Romy the Cat"]
...I local guy that I know did buy 2 month back a new PP2000 and it was measured horrible - a pure faulty production and no quality control at all. The PurePower admitted that it was faulty production run and promised t...
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[quote user="JJ Triode"]Romy, take a look at EML 30A and its cousins:
http://www.emissionlabs.com/datasheets/EML20B.htm [/quote]
Yep, thanks, JJ. Still the EML 30A has a lot of gain but it has also very high plate impedance as well. As much gain w...
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The BSO’s session was opened today, welcome back James Levine.
The concert was ridicules in a way. It stated early. The fist past was Glinka’s Ruslan and Ludmila Overture. The Overture was a nightmare. The dull and boring orchestra was juts re...
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Paul S says Still, who knows what sort of problems would yet get to the hi-fi via such a line.You raise a very interesting point. If the grid line were known pure than it would be highly likely that a consistent and significant benefit woul...
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[quote user="unicon"]JoacoBut Can you mention the name of the product too ?The manufacturer Site is in Spanish and I could not find out which one is it.Another question is do you reckon that they will ship single unit outside usa too ?[/quote]
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[quote user="guy sergeant"]http://www.audiounlimiteddenver.com/
Focal Utopia EM[/quote]
You are right: The Grande Utopia is one of the names that very much in the mainstream and have very much pre-inclined exposure in industry. That all will assur...
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Romy: "I just can’t
imagine that they place an order for let say 100 units and did not test
a fully functional prototype. No one would put the overheating units in
production – that would be suicidal or the action of absolutely stupid...
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A year or so ago I published the evolution of building my full range Melquiades amplifier:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?PostID=2502
Now, I am staring a thread where I will cover the progress of building Dima’s “Zarathustra II” ...
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[quote user="Serge"] The SIlbatone room was very large. They played an Edith Piaf record on a mono WE16B (or A, not sure). They played it very loud which I don't like, ever. I felt the system was made to show dynamics and it did it. The dynamic r...
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[quote user="Murataltuev"] I understand all
disadvantages going digital.
I strongly believe that minimal influence to the signal is the most important
aspect. And influences in digital domain are usually terrible. But I'm not sure
what other...
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A few more very simplistic measurements to extend on my comments. Here is the raw wave from the wall:
Here is the PurePower with 0W load
Here is the PurePower with 50W load
Here is the PurePower with 700W load
The load that I used everywher...
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I predict a highly probability that a new wave is coming in high-end audio loudspeakers. The today’s high-end audio the loudspeakers field is in a complex stagnation, the stagnation that will lead to the need to invent a new ways to sell loudspeakers...
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[quote user="CO"]I have tried a BMS driver a while ago and it was really bad.
About a year ago i heard Berts setup at his house and it did not impress me... It was also with the coaxial BMS.Not much depth or resolution. Did have alot of power though...
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[quote user="hagtech"] Interesting. I remember getting low contrast levels when using the asa 32 film (I think it was pan-x), but huge grey scales. Sometimes I shot in tri-x just to add drama. In the end though, my best prints were ...
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[quote user="JJ
Triode"]I'm not sure if the Salamander-style rack (wooden shelves
supported by nuts and washers on threaded rods) will support 800 pounds, but if
you put heavier items near the bottom then a wide heavy-duty version might be
fine.[...
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[quote user="Jorge"]
Post #: 580 Post ID:
14729
Reply to:
14523
OK, I have moved my motor-generator to the backward in a cozy location under the deck, wrapped it in tarp a...
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I have no doubts that it will work but I would like to understand HOW it works.
The objective it to have first order filter, of cause not the filter where capacitance do high-pass roll off but RL. In RL filter there is not reactive elements i...
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Ok, let dive a little bit further into my examination of the subject of Lamm ML3
What is important is to undusted that my view less targets the Lamm ML3 but rather it targets the ML3 as a representative of entire class of amplifiers. When I to...
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