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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I don't know about the SMS but a few people have tried to clean up the Behringer DCX. I pulled all digital correction out of my system before investigating further but found some interesting mods to the output stage during investigation last year...
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The following comment on the SMS distortion is at least worth considering:
http://www.hometheatershack.com/forums/bfd-electronic-equalization-devices/6346-behringer-fbq2496-velodyne-sms-1-distortion.htmlOne thing is sure: either ...
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Time coherence of ULF may be less important than that of higher frequencies and that seems to make sense in theory and jibes with my own experience. However, I still think ULF timing matters a lot with respect to a) higher frequency drivers and b) ot...
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This is an interesting project that I may make an effort to hear. However, the concept of spending so much time and effort on finish is troublesome. A previous 6moons article also mentioned the great efforts and time relating to the finish. Does that...
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Maxizum,
Given the extent of payola used in today's society, your skepticism is well placed. However, if you follow the PP2000 threads from the beginning, what you see is a bit of a public relations nightmare for the manufacturer. So many defects, r...
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Very helpful primer. This might be a good place to elaborate a bit on approaching the task of crossover selection and testing for each driver, especially with respect to points, filter selection, steepness and other parameters one should consider. Fr...
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cedwards@fulcrumcomposites.com, you will note there are no commercial postings or ads on this site. Based on some of your recent postings on various internet boards it is difficult to conclude that you are not trying to drum up business for your ...
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"quote" I
do not share the Scooter’s and jessie’s fear about the toxicity of petro-based products. Yes, petro-based products are not good near driver but I do not think that I spayed driver with gasoline. I did a test and ...
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Agreed JD. Also I have seen silicone and other petro-based products in contact (or proximity via vapors) to cause certain foams to break down over a period of several years. They might have a similar negative impact on driver components and bonding a...
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The straps seem like a good first step given limited space, weight and access to several beams. Unfortunately they can eliminate some vibration but will transmit through other points in the house frame. Hanging horns by straps will do little to restr...
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If you are going to be sanding in your living quarters, I strongly recommend that you:1) cover the ENTIRE rug in the room; you will never get all of the dust out of the rug and will ruin most any home vacuum cleaner (alternatively you can just purcha...
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A large theater in spain some years back installed a state of the art climate control system which was designed to measure the temperature of the air at every seat and send "conditioned" air to each patron via specially designed silent ducts in front...
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Romy - The sails may or may not fit the aesthetics of your room but it will be tough to get the fans to work effectively with them installed. I thought that a sail furling system might be an interesting option. There are different types but in a nut...
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A local construction guy named Michael Lally came up with some controversial theories in the 1980s about how the Egyptians moved large stones large distances and up the pyramids; rumor has it his simple and practical theories really bothered "studied...
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The Horn as a room concept is right on point. The key is insulating that room properly. Many houses in the northeast were roofed by people that don't understand these issues, as is the case in the only two places I live (MA and ME). A key issue in ...
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Hi Romy - Do some research on the insulation and water problems of roofs in extreme situations (e.g. Northern Maine, Canada). We can have these same problems in Massachusetts in January and February. I had to deal with these painful issues at a qua...
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[quote user="Romy the Cat"]
2) Complete randominisation of time aliment. Eugenie is not juts misaligned driver but has 200 sources of mis-aliment in very unsystematic pattern. What Eugenie done was created a sort of Phases Brownian Motion wh...
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[quote user="muddasir"]My reference for VTL 7.5 was due to the reason that a used is being offered to me at the moment.regards[/quote]Muddasir,I can't think of a worse reason to purchase anything. The best thing you can do is stop spending money on ...
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Romy,I was reading through this post and just thought of a Boston guy you should ping regarding wood sourcing and shaping. He has hand built very good quality jazz drum shells for decades (soundwise they have no competition).I am not sure how helpfu...
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You might check out the following website for a relatively easy to use and free RTA program for your computer. The site also has an active forum that can help get you up to speed with respect to getting the software working, mic sorted, and your init...
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[quote user="Romy the Cat"] I know very well the critical near-field configuration and I have a lot of tricks under my belt how to make it to work. [/quote]Hi Romy,Your process of optimizing the system and new room is exciting and a great learning op...
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Good points. Romy, you can throw as much money at this problem as you like but you need to face the reality that some of your gear is going to get trashed in a move. If I were you, would make a quick list of the stuff that needs to be moved, noting t...
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Hi Rony,
Not a dumb question; wifi and CPL internet connections are suboptimal when near audio systems. By coincidence, last night I bumped into the following post which walks through one person's view on "electric gremlins" he found at 470hz (etal....
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I had this "volume" issue with the dozen or so solid state amplifiers I tried in my bedroom system. There was a big jump in volume from click zero to click one. From click 10 to click max there was not much of an increment in volume. Overall, vol...
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I have to say that I am enjoying the new 99.5. The playlist is not yet ideal from my perspective, but they have been optimizing the format and I think it is still improving (considerably). I would like fewer interruptions per hour but frankly the...
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Hi Romy,I live close to the old WCRB Waltham Studios, although I am on a hill facing north-east. Unlike neighbors from Newton and Wellesley (and in my car) I actually have had good (9/10) reception from WCRB's Lowell transmission tower (did not liste...
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The old WCRB just signed off forever. . . let's see if the content moves forward in any meaningful way.
Still a net loss to the region and the rare occasion in the US that a for-proft business was moved to a not-for...
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Hi Rony, I assume you're stepping down to 110v at 50hz. I specifically asked Guy about this issue for a move to Europe. While Guy may be ok with the unit running at 50hz but I am not entirely convinced that the Placette runs the same versus the 60hz ...
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Here's a start on teflon sockets I had bookmarked for some reason:
http://www.diyhifisupply.com/?q=catalog/46/vacuum_tube_sockets...
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Most commercial speakers I have heard are not time-aligned. Some claim that a large part of the population is not "sensitive" to time alignment. That is rubbish. Most people have not heard properly aligned speaker systems so have no clue why their sy...
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