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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I’m absolutely certain that the mids and lows are designed in the same function supporting fashion as I described the compression driver. Danley explicitly explains this in his patent. For my own amusement, I went through all the math and calculation...
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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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[quote user="Merlin"]... my own feeling is that David Berning's solution is both neater and more practical - the only impediment ot it's acceptance, the dogmatic approach of many thermionic die hards. My experience suggests it's their loss. [/quote] ...
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Robin, I'm not at all certain that my new speakers are "source tolerant", because I have "taken steps" all along to "ensure" part-to-part compatibility. I have tried to "sync" my phono and CD/DAC as much as possible, and the main thing I wanted from ...
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hi Romy. Nice topic! I have a very nice memory. I started very young, supported by a friend who tought me a lot and gave me books to study. I learned the basic formulas and started DIY speakers from purely technical perspectives, graphs, math, calcul...
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Ok, none it is time to dive into the practical process of tweeters alignment. Once again I presume that we are taking about monopole tweeters that use AFTER your midranges compression drivers (read my previous post). Some people use term “supertweete...
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I played with this Behringer DEQ unit for a couple hours. What the magnificent machine would it be if all functionalities work! I mean they all work but they all make sound like shit, even this unit in hard-bypass sounds like shit and there is no oth...
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While I have heard the terms static dynamics, micro and macro dynamics, I have never heard of dynamic dynamics. Are you referring to the term “changing dynamics”, which means a volume change, either gradual or instantaneous. What was missing yesterda...
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Romy, it’s selfunderstood (at least to me) that the project is in its infancy and you are on terra incognita. Im trying to visualize what was „the last working configuration”.
[quote user="Bill"]These are Romy's original boxes and s...
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Crossovers are so annoying, about impossible to nail down, and it's almost as though the more you study the problem, the fuzzier the "answer" gets.For now, I would like to more or less forget about "phase" considerations, partly in order to get this ...
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We all know how low-power SETs sound driving low-sensitively ported speakers. The Morons feel that it they have “enough volume” then their SET is good to go. Of course it is not the case and low-power SETs shell not driver dead speakers.
However, I ...
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I spent today good 5 hours listening my new playback. For somebody who do not know me it would look idiotic to listen the playback with such a huge amount of problems and do not make any efforts to correct them. Defiantly the problems are huge: the m...
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Wojtek, I am indeed hemmed in by the fricking electricity these days, to the extent that it is about impossible to hold on to a baseline for reference. And the Lowthers only make the problem more apparent.Yes, I still wonder about how I wo...
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Roman,[quote user="Romy the Cat"]May I ask you, this realization of yours… dose it has any “sound”. [/quote]The one we have build which is a little different (6S45 not C3g, also tried WE 417A, 437A, TX-101 Copper not silver, AN UK Line Output Transfo...
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Recently I was playing with my horns, running with across my room, trying to hit with them my Cat…. When I settled down at the place when I need them to be I one more time faced a problem of cables. Whoever use multi-channel systems and do milliampin...
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Romy wrote (in the "It’s mad, mad, mad... electricity." thread):"...I might not have enough power in new room for my woofer towers and it would force to use class A/B SS amp..."You've mentioned on more than one occasion how much you love what you...
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Well, the morons, particulary the Audio Groupies (read more here), at AA were mildly bitching about this thread, nothing new. Unfortunately the thread is a perfect depicturing of the typical level of results and the most important - the level of...
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[quote user="Romy the Cat"] Even if it is possible with a given (multichannel, faulty design) loudspeaker then the DPLOS become very fragile and appears/appears too sudden, without a gradual improvement while approaching the DPLOS. The keys are phase...
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[quote user="Gregm"]I believe that the other way around -- i.e. a system only referenced to simple electrical music -- would only offer good classical reproduction by chance -- not by design. [/quote]
“By design“…and this is exactly the reasons why ...
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[quote user="noviygera"]Number one, that I'd like to run by you guys due to it's simpler nature and closer to reality execution is the idea I have been thinking about. No first hand experience with any of this.Say we use something like altec 1505b mu...
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This is my first horn build effort. Been thinking about this since starting to build loudspeakers and finally have a listening space big enough to support a horn system. This is where I am at now, I know there are opportunities for improvement. And I...
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Dear All,Thank you all for your assistance, especially Romy, whose information has been particularly interesting. I have been in contact with Jeffrey Jackson, with whom I have discussed my driver preferences, and arrived at what is essentially only a...
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In this thread I would like to talk a bit about the practice in DSET driven multi-way horns configuration.
I have expressed my view that the architectural configuration that Macondo and Super Melquiades end up to be I find is the most interest...
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Yesterday I finalized everything, made the crossovers permanent,
arranged the cables, check the phases and levels per each channel and officially
declared to my wide that the listening room setting up is over. Then as the kids
went to bed I decide...
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[quote user="DHT4ME"]So I am aasuming that you are referring the very low level capability of your driver or amps? The subtle nuances?What other drivers did you find did well beside the Vitavox. I always felt that most comperssion drivers are ...
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I never knew that it will be so much fun. As I started the basement cleanup project I did kind of remotely conceptualize that I will try to make a winter pipe smoking place. Instead I discover in my house a new listening room that I have to tell you ...
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The system is still very much a work in progress, but I have come to the conclusion that the concept as such is very, very good. It's only up to me to make it sound as well as I know it is capable of. Making and fine-tuning the crossover might take m...
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[quote user="i_should_coco"]I view of the fact I have two pairs of S2 drivers, I'm intrigued by the thought of running them a la Romy, i.e. high and low. So, in addition to procuring a pair of Big Mama horns, I'm discussing with Martin the prospect o...
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[quote user="Jim Smith"]I've been following this line (mostly the big one) with great interest since it was first mentioned.It's definitely the most interesting high-efficiency horn line available, as far as I can see. I've been asked to look a...
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Great project! I have a similar project going on. Your frame ideas are looking beautiful, however I decided to take a more utilitarian road. I can adjust all my channels in horizontal or vertical axis. I am finishing my crossovers as of these days, a...
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