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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="Paul S"] I can report that the G2Si loses the "glycerin" at 10k with the ML2s…. [/quote]
I concur with this finding. Any ribbon tweeter that I heard has "glycerin" tone but it is because the ribbon mostly crossed too low. I would say th...
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A German company Avatar Acoustics makes loudspeakers with adjustable positioning of their ribbon-tweeter. This is very much with the context of this thread although I’m questioning a lot of things in those loudspeakers (pretty much everything beside ...
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Allo
Well, my baffles are for a vertical array. A friend of mine built a "clone" of the Nola Grand reference and got a very good deal on the G1 ribbons... will send you a PM.Don't be pissed about me keeping you in the dark regarding the ribbons; you...
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This stuff has been stuck in my mind for some time now, working around in there against my ongoing experience, against what I am now running. The goal is a more dynamic presentation with better spectral balance, with the emphasis on LF and [more] cor...
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Romy, of course I frame my remarks according to how I "understand" the issue at a given point, ie., dialog. If your response helped me to undersatnd your idea of this problem any better, then it seems to go back to the ...
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[quote user="Vasyachkin"]waveguides as far as i can tell are designed to equalize the power response.
for example if we are talking about a typical 2-way speaker with a 7" midbass and 1" tweeter then there will be a discontinuity in the power respo...
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hello kids, a few weeks ago i started my hunt for a pair of speakers....i've been attached to my big system with a pair of headphones for the past year and feel its time to get some speakers to listen to music with (plus, i think my ears are now...
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[quote user="anthony"]My RAAL Lazy Ribbon has ended up needing a 1st order high pass filter to match the midrange S2 which is so much more convenient than third or fourth order as initially intended.[/quote]
In my case I found that RAAL ribbon wit...
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[quote user="Wojtek"]It should not be a problem for you to borrow one of those plastic 150-200 Hz horns for your REPS .[/quote]I heard it a couple of times in a different settings several years ago. Although I was interested in the application ...
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Mani at al. I have a paid of zu druids. Running them with 15W amp (d-class) and it is not enough for high level, although it does better than you expect. The soundstage sensitivity measurement was 97dB, but their test did not load the driver correctl...
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Yes, Markus, thanks. It is a bit too obvious that Speedysteve7 is not a typical DIYAudio moron. As the evidence: pay attention the Speedysteve7 posted information about his playback and has no following. In contrary of him installation would be 2...
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It is my understanding that the only reason to make a ribbon bigger is to get it to go lower in frequency. I don't know how Arum Cantus configures their G1, and I have not heard it so I cannot say if it is their "best" pure HF driver rather tha...
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It is complicated. Any tweeter is different and the RAAL’s “Water Drop” tweeter is more different then others. Almond any other tweeters that I heard this tweeter has something absolutely unique- it has no annoying upper MF nose. When I asked Alex to...
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I kind if cycle my attention on the notion of compression and it is not accidental. When a few years ago I used the hugely dymick NT51 tweeter in my car I experienced problem to set the right volume and I run the volume control 10 times more fre...
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The recent events in my playback made me to think about he new prospective duty of tweeters. Since the Super Melquiades was enlisted for duty the Vitavox S2 got it’s own dedicated amplifier channel and stopped to “see” the coil of upper bass driver. ...
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Thanks, Greg
[quote user="Greg B"] Cap and L-pad resistor quality is critical even in the cheaper models. [/quote]
I do not use any L-pad resistors with tweeters. If you need to reduce the tweeter output I drop the caps and move the tweeter up at t...
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Mark,
It is hard to say. I owned T90A sometimes in 2001-2002. At that time I was going through the drivers like crazy and T90A was just one of them. Looking from now I do not think that I gave to many drivers a chance as I did not “work” them trying...
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[quote user="mark"] just would like to clarify the cost of this ribbon,xfmr. etc.the figure of 2600us$ is that for tweeter pr. only or complete with the xfmr.?i got a quote of 4000 euros +300 ship in jan./08.has the material cost risen dramaticly sin...
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I believe that the Arum Cantus is typical of most ribbons in mirroring one of the principal failings of MC cartridges, a rising top end (over 20k), although I have not actually heard this - at all - with my own small Arum Cantus, and I just go n...
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[quote user="cv"]How are you crossing over the SA tweeter?[/quote]
Currently I cross them with second order at 12K, near Bessel Q, but not exactly. I did not play with crossover trying to tube it more precisely. It turn out the my driver was too “fr...
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[quote user="Marc HENRY"] For this Musique-Concrete horn system called "Grande Castine" (it was developped in Saint Cast Le Guildo, Britanny, France, from were females inhabitants are called "Castines" ) i prefered a modified 60Hz Le Cleac'h cylindri...
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Andy,
I do not know how aggressive roll-off on obsolete values as I never cared to calibrate my analyzer/microphone above 10K. Well, it was calibrated a few years back but I never trusted to it as I do not see needs for above 20K lineriarity from li...
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Hi Romy,I think you may be struggling to get 10-12db of gain out of a spud amp (the term is a play on "one tuber").... May just about get it with 6C45.... remember you will be stepping down something like 12 to 18:1 on the OPT.best case: 10db require...
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Hi Romy,I agree its a relief to hear finally someone describing something. Because all the mysterious dust around it makes one really curious :) And you cant hear them anywhere.So i got really "tensioned". Finally... and id like to share about it. As...
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Romy, yes it is an interesting subject and one that I have thought quite a bit about although not directly from the angle from which you are approaching it.One of Macondos great strengths is narrow directivity from high frequencies all the way down t...
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Hi,[quote user="Romy the Cat"]
I lately have some reasons to think about optimum requirements for SET’s out transformer if the amp handles juts a narrows bandwidth. For instance let pretend that we have 2 monoblock and each of them drive: LF <10...
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A few things I would like to say in context of Pham’s playback.
I will leave his infatuation with turntables alone – man like to collect turntables and he within his constitutional right to do whatever makes him happy. The problem that I see ...
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I was playing today with Stage Acompany SA 8535 Ribbon driver. It is truly 103dB sensitive little monster with crazily large 3 poll Neodymium magnet. I did listen the driver and there are some things that I like in it and there are some that I do not...
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Haralanov, as far as I know, Madisound does not offer my ribbon. Mine is not a stock Fountek, but it is a re-worked version of the old, discontinued Fountek JP2, a very narrow "naked" ribbon (ie,. no coating), and 97+ dB efficient. I got my Audaphon ...
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The RAAL’s Alex is trying to undertake a task of horn-loading of his ribbons. I am not a big enthusiast of the idea. I am not quite sure how Alex will combine in one driver the requirements of super-tweeter and a horn-loaded MF driver, not to mention...
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