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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I’d like to post some information about my own experiences with the new PurePower+ 2000 unit, and the customer service (or lack thereof) experienced under the new regime, so that people can be advised. I ordered and paid for my unit in October last ...
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Flm,You need to start reading what is already available here. This is not so much of a random blog like many others. We make efforts to stay on subject and have purpose. That means, a change to your system should have a reason that you can clearly de...
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I finally got my hands on PP 3000+. Romy was right wait was worth it. I already have a dedicated power line for my system with a proper earth and I'm using Purist Audio design power cords. But improvement with PP is dramatic. In my opinion it makes ...
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[quote user="drdna"] I also use the 6SN7-2A3 DHT for my system (except subwoofer). Did you use the Electrocubes for the coupling capacitors? Was the internal wiring regular copper?
The coupling capacitor is critical, of course.
Also, I will say t...
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Ok the Macondo is all done in new room, including the bass channel. I am uploading the calibration check sheet not as much for you but rather for me. I have been keeping it got years and constantly am loosing it, now I will know where to find it. BTW...
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Your comments are quite funny and contrary to the facts. Romy can hear, as I can too, the difference between solid state amplification and tube amplification because his system is properly setup and can resolve all the nuances. The slightest com...
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Hi,Have peope heard any of the new generation hybrid amps out there? I have often such miserable power to my home that about half the time it was useless to listen to my SET tube system. I always had a back-up solid-state amp to use when I could...
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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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Paul, I guess, I know your headline from somewhere...:-)Well, my System has no German units and that is without any doubts one of my better decisions. No change planned.Romy, to be honest, I lost interest in those super expensive digital units after ...
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it seems the computer audio problem is not bit errors and even correct bit-perfect digital data (from computer) does not give us good sound.
the wadax new server (computer) does not use digital processing and it onl...
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What I'm contemplating is an "audiophile" fuse *before* the PP. I have a dedicated AC line with its own fuse, which I can change easily. Right now there is a good German industrial fuse with silver platted contacts, polished and dielectric grease...
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[quote user="montepilot"]This past weekend I was able to have an extended listen to the revised Melchiades amplifers. My previous listening session left something to be desired with midbass punch and dynamics. Had I not have heard mini me it may no...
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Bruno,Let me clarify some things. First, I am not making any negative criticism of Bob Robbins or his method. Not having heard a system set up his way, I cannot say anything definite about the results. Also, while I visited Romy twice (in Boston Back...
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[quote user="de charlus"]Ok, understood, at least somewhat. Are you suggesting that the S2 operates at the frequencies between 1000hz and 3.6khz? I am not insisting upon using the driver at the frequencies that I was initially suggesting; far fro...
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I agree the dipol is generally a wrong direction for entire speaker system but I thought it a good way to evaluate a specific driver's sound and character. I am I wrong here? The box should only increase the bass range and provide additional damping....
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[quote user="Romy the Cat"] The answer is very simple: do not listen reproduced music as reproduced music. Also during the evaluations do not listen played or performed music but listen how your inner-you reacts to the core of the musical context. Ev...
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[quote user="clarkjohnsen"] Folks, in case you care to learn the truth of the matter, AC Polarity is the subject of Chapter 7.5, pages 63-66. Its connection to acoustic polarity is established there too. That Romy should so boldly assert otherwise, l...
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I agree with Adrian. Dont think too much and set the speakers up and start changing from there, you know its going to change again anyway.. In that light it might be even better to start with a standard mdf cabinet to experiment with port configurati...
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One of the things that I picked up in this thread is the fact that if you use 2 PSUs in series, the sound degrades.This is typical of one unit generating common mode noise and this adds to that produced by the second unit.Even if you run them in para...
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I have to be extremely careful with the original design as well. I wouldn't want to make a mistake in either case. More voltage and current atop of already potentially lethal levels may not change the picture all that much. However, it's a point well...
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Merry Christmas!Nice woodworking job on your speakers.I have a couple if questions:Why did you select the drivers that you did?What made you select one horn for the midrange but for nothing else?What process did you use to select the crossover points...
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[quote user="haralanov"] Even if he has his channels time aligned at digital domain, the fact that they are arranged in the horizontal plane, especially with the tweeters placed on the outer side in context of the other channels, makes his system abs...
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[quote user="haralanov"]Romy, the main driver in this acoustic system has nothing to do with the funny Lowthers. It is very high class field coil speaker unit made by Oleg Rullit. The owner of the system has tried the highest class of the Feastrex li...
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Hi Keith,Interesting experience you have as I have found running my 505TT with the 160hz le'clech horns between 320hz-1200hz (with first order slope) works best for my setup and using my 15" goto sg-38wn woofer to play under 320hz (which sounds very ...
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[quote user="haralanov"] For some unknown reasons, he later decided to change it with the sharp and artificial sounding fostex supertweeter. What might be his motivation? Logically appears the following question – is that Goto supertweeter so hor...
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I load my 901 with 42K that behind my transformer that makes it 68R. It’s given that I always tend to load my cartridges slightly harder: have my reasons. I would suggest to load 901 with ~80-90R. The load of 510R suggests that something is tonally/m...
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Putting together a speaker system that ticks all your boxes is a lot like doing anything else well: it is fine to experiment in order to find your range and learn your options but once you choose a path you must stick to it. Chopping and changing i...
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Dear Sirs,Following Romy's the Cat Youtube series on reverberation injection, I started gathering info and looking for some equipment to start experimenting. I was lucky enough to get a relatively cheap Yamaha DSP-1 in perfect condition from Germany ...
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Adrian, I was thinking about what you said and I realized that at this point I am actually getting more music from more of my records now than I have done ever before. Yes, I do get "more" when the electricity is nice, but the most wonder...
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Romy, all this seems to be fairly typical of large-ish listening rooms, along with grotesque lobing and combing. I agree with waiting to use absorbtive treatments until you have a sense of the the system/room's total energy potential, using current ...
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