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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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N-set, have you tried wall mounting for the TT suppport? This can improve on floor borne solutions in typically framed structures. Perhaps you know the sizes and spans of the floor joists and have it all worked out already. Otherwise, as a generic...
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Paul, I thought about the wall mount, but eventually decided to go with a more universal, pref. end of life solution, I could place anywhere. I've never had a dedidcated rack, a time to have one.The result is a slate-on-steel-frame 500kg mastodont, I...
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I will upload some pictures and more details when the rack is at my place in few daysand pre-assembled in it's "version 1". In the meantime, for those with masochistic tendencies, here is a diary of my ignorance on the subject: http://www.lencoheaven...
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de Charlus, the rack is still not at my place after the rework (it turned out to shake like a gelly fish--I refer everybody interested to the lencoheaven thread).I'll post pictures and some details when it's here and the slate is on it's place.Cost? ...
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Excellent idea and very good effort, I like it. j...
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[quote user="N-set"]A very approximate calculation shows that in my case I should have the profile fundamentals around 20Hz, soperhaps what I take as subsonic vibrations are actually 20Hz, poorely damped due to the added sand mass. I've ordered a dir...
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A very nice made rack. I do not know if “stupid, indiscriminative mass loading is a road to nowhere”. To me all of the solutions with rack design are road to nowhere. There are many reasons why some of the solutions are better or worse and they all d...
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For some reason I cannot post pics, they wont upload to the server so I cant select them.The way Aurios work is with 3 ball bearings rolling inside a round chanel, something like an inverted doughnut...top and bottom.On the center they have a bol...
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I used to have a rack where sand was placed inside the structure of the rack (square pipe) and then I would insert a rugged construction rod inside it so it would be "suspended" by friction inside the sand. It didnt work, there was no advantag...
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[quote user="Paul S"] I wonder how much hitting the rack feeds the floor/cavity(cavities).[/quote]Paul, standing barefoot right next to the spikes and hitting the rack with my palm's base moderately(like if I wanted to push a bit blocked door), I ca...
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12(.5), 25, 50, 100, 200... Now you just need to track down the dominant mode. 25 sounds about right for a floor mode, but a long, loaded joist span might be way down there. And we still don't know how principal modes are "translated" by your rack....
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Somebody sent me a link to the Myles Astor’s “review” of the Silent Running Audio rack, which they call Craz IsoRack™, whatever it means…
http://www.positive-feedback.com/Issue21/sra_rack.htm
Before even clicking at the link I knew that it should b...
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It is the bass cello wine rack I am after of course.Romy, seriously, I shouldn't have charged you for that 2 cases of Has Christian Glaciovinum, I don't know why I did, and now after this fresh future offense of stealing your gloriously kitchy wine r...
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So here is the promissed picture of yet unfinished rack:It's huge (the columns are 10x10cm) but still quite elegant-looking in my room. The electronics rack on the rightwill be put inside the TT rack when I finish working on it. It's all thick (4-5m...
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[quote user="Romy the Cat"] I do not know if “stupid, indiscriminative mass loading is a road to nowhere”. [/quote]Let me try to explain why I think so. Adding mass (e.g. sand+shot loading of steel profiles):1) makes the vibration amplitude smaller f...
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Ah, I see, you have an insert that goes into the belly on the rack and that do not touch the main frame. Very slick and very inelegant. Juts to ice the cake I would provision 4 hooks atop of the insert that would allow you to hang the insert to the ...
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I had been using Aurios roller bearings under my Cd transport for a long time, Every time I changed a transport I would immediately put them under, and they always helped: Untill I got the Forsell transport. When I first brought it into my listening...
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I am talking about the fans and the capacitors. I have a PP2000 and the more you load it, the more the capacitors "whine".Nothing from the speakers themselves. It is a pity that cooling is not passive taking into account the efficiency announced. I g...
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Spent almost a day to set up one of my CD racks. The rack covers one of the wall the need to be treated – I think this type CD rack it is a good diffuser. The wall is not in the line of the first reflection, in fact in no in the reflective path anyho...
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Well got my very hefty piece APS PP 2000 today. This item is well packaged and weighs in at over 70 lps. You could pull something if your not careful positioning 2000 in your rack. Glad i have my Audiav Crystal rack for this behometh. My loaned 1050 ...
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[quote user="decoud"]For sand to work here in friction does it not have to be load bearing itself: i.e. inside a steel cage that propagates the vibration through the walls there will not be much friction, no? What you want is a sandcastle.....[/quote...
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The main dangers I see are are:1. AC line voltage2. Tube plate voltages3. Falling from a high place4. Heavy objects falling on BabyI do not think there is a serious burn hazard with operating tubes. They are not hot enough to cause clinical burn...
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[quote user="anthony"] Personally, I would prefer to have the equipment
rack somewhere else in the room but that is just me. [/quote]The subject of equipment rack to be in or out is
well debated by be in past. Unquestionably from sonic perspective ...
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[quote user="Romy the Cat"]
Anthony, the rock located in a middle gives a
great advantage of shortest and symmetric cables.[/quote]But it is only the interconnects to the amplifiers that need to be longer...no others...speaker cables stay as is...a...
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CATEGORIES: 2100 - Mid and mid-bass cone transducers 2200 - Low frequency transduc...
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It is always fascinating to see the primitivism with which audio Moronity manifests itself. For instance in response to article above where I expressed my point that Myles Astor should not be bragging about the SRA’ IsoRack I received an angry email ...
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[quote user="AOK_Farmer"]Romy, I don't see a wine rack in the view of the speakers. I believe that the wine needs music to age properly, just as we do. A dark cellar is said to have advantages but the fish down there are albinos. Perhaps some researc...
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[quote user="steverino"] Romy said "When I had my magnetic and EMI probes running with open PP2000 cover then the probes showed me that I was in the middle of Chernobyl Black Forest. I think the PP3000 even more poisoning..."Now I begin to understan...
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N-set, you may remember that from the beginning I encouraged you to try a wall mount, for all the reasons you have just cited, and this approach seems even more obvious if the walls are concrete/masonry vs. floor joists and sheet subflooring, not to ...
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[quote user="N-set"] I'm looking for a nice material to interface between the steel frame and the slate topas a contrained layer--would be a sin to loos such an occasion for constr. lay. damping.After some research, Sorbothane seems unsuitable as it ...
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