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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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In the thread “Exceptional loudspeakers drivers” Paul S. wrote:"LOTs of time pretty much wasted lately, looking at "HE" direct-radiator drivers that are actually only HE at their uppermost frequencies, with diving responses and large-to-hu...
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[quote user="Markus"]I have recently been thinking about efficiency. Apart from enabling you to use low power amps, is there really any reason why high efficiency is better than low or medium efficiency, all else being equal?[/quote]Fundamentally, al...
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[quote user="Markus"]I have recently been thinking about efficiency. Apart from enabling you to use low power amps, is there really any reason why high efficiency is better than low or medium efficiency, all else being equal (and I know perfectly wel...
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Ribbon might be a good choice, but what is wrong with horn tweeters?...
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The past 6 - 8 months I have been living with very efficient speakers (~ 109dB/m/w) driven by low-power SET amps. The amps use 300B output tubes for about 7 wpc. On paper, this should be a match made in heaven. In fact, the combination is capable of ...
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Scott, my apologize, but issue of low-power does not have any relationship to the problems, you have described. The problems could be located in the following areas:- high output impedance of the last cascade, and amplifier in g...
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Scott, Do not pay any attention to the moron advice given on the Audio Asylum. The issue is not with the quantity of the power you have, it is with the quality of power you have. Genn makes some very good points. Most circuits...
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John
Does it also apply to the new generation of 300B's 300 BXL from AVVT , KR or EML ? These are different designs and supposed to address the issues with 300b signature .What tube (besides 6c33c) is a good starting point for an amp in your opinio...
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I have been observing High-Efficiency loudspeakers for a while. I think I have seen/heard many of High-Efficiency endeavors and I think that I did develop acquired taste and some experiences about High-Efficiency results. So, I would like to pass som...
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Well, whatever you do with your loudspeakers of with you whole playback system is kind of irrelevant if your drivers are not right. In my view the drivers are the very much heart of playback but in case of High-Efficiency and particularly horn-loaded...
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It is not surprising that the subject of horn is as screwed as the subject of drivers. It is understandable as driver must be made for specific horn loading, not one make drivers properly, so what the horns are made for?
A horn is a very simple dev...
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This is the last article in the planed overview. Here I would like to cover options available among commercially available High-Efficiency systems. As you might expect it will not be too exiting.
In a ways commercial systems inherent all problems of...
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I have been observing High-Efficiency loudspeakers for a while. I think I have seen/heard many of High-Efficiency endeavors and I think that I did develop acquired taste and some experiences about High-Efficiency results. So, I would like to pass som...
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[quote user="Markus"]I have recently been thinking about efficiency. Apart from enabling you to use low power amps, is there really any reason why high efficiency is better than low or medium efficiency, all else being equal (and I know perfectly wel...
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All below is written by Thomas Dunker
Yeah, "sound consistent independent of signal level" is a very precise way to sum up my whole speaker philosophy. Anything that is assumed to be constant, but which actually changes with signal dynamics is what ...
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In the thread “Exceptional loudspeakers drivers” Paul S. wrote:"LOTs of time pretty much wasted lately, looking at "HE" direct-radiator drivers that are actually only HE at their uppermost frequencies, with diving responses and large-to-hu...
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Your initial post reminded me of this[quote user="Romy the Cat"] Markus wrote:I
have recently been thinking about efficiency. Apart from enabling you
to use low power amps, is there really any reason why high efficiency is
better than low or me...
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I was slowly looking for a compression driver that would go in my Fundamental Chanel down to 200Hz. The YL Acoustic 550N attracted my attention. Then I realized that it is the narrow throat type of the drivers, aka WE555, not exactly that I would...
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Yes, Petar
I would agree with the most but with horn-loading all compromises suddenly do not get evaporated. The horn is not a panacea as the horn-loading is basically as well bandwidth-limited. In fact for objectivity sake I might say that the dire...
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Well, whatever you do with your loudspeakers of with you whole playback system is kind of irrelevant if your drivers are not right. In my view the drivers are the very much heart of playback but in case of High-Efficiency and particularly horn-loaded...
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I have recently been thinking about efficiency. Apart from enabling you to use low power amps, is there really any reason why high efficiency is better than low or medium efficiency, all else being equal (and I know perfectly well it never is, but le...
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God, I hate to bring this up as it seems you have given up on your quest for better monitors.Maybe I missed a thread somewhere, but reading over earlier posts you were looking for- high efficiency- tone- dynamics- sealed designZu Credenzas have same ...
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... or wondering if it has any new insight into horn design.I did not read the book but I find funny that person who presumably do not “believe” in horn write a review about the presumably horn related book. It would be similar to ask a blind person ...
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This is an article from Thomas Dunker's site (available in my Links Section) and presumably written by him. Although I slightly disagree with some of the statements he made about the horns “imaging” and some others but generally it is very good...
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Thanks for the response! Nah, not irritated, just curious that a publication infamous for reviewing over priced/hyped monsterous high powered gear suddenly not only reviews a high efficiency hornloaded lowther-style speaker but gives it the Product o...
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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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lately I've come to theorize that the horn midbass may be a contadictive dead end approach. The reason is that proper horn midbass (lets say 80 to 400Hz) will be a big one and present a few inherent "brick walls". It will physically shade the midrang...
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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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Being both fairly lazy and fairly cheap with respect to audio, I remain very interested in theFR SET/dynamic speaker dream. Also, I am generally both weary and wary of the extreme complexity/difficulty engendered/entailed by othe...
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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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