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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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From Email that I got today:
“….. I see that you are considering trying the metal diaphragm again in your S2s. I am using the metal diaphram for the moment (it is all that i have), but have the terrible ringing problem, especially on female vocals. ...
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This is something I have been at for the last few years, I have tried a few drivers, at the moment some of my favorite are the vintage RCA MI 1443, yes filed coil and some funny cone diaphragm, they are used from 500 hz to 5 khz with a Fostex T...
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A few months ago a reader of my site contacted me and informed about that he found a very interesting driver, that his is using and he is very excited about it. The driver is JBL 2490.
http://www.jblpro.com/pub/components/2490.pdf
...
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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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[quote
user="anthony"]Those components certainly have an awful lot of
potential and are likely a very good starting point for your highly dynamic
system sans Goto. The Vitavox stuff is even the building board for
Macondo so there seems to be mor...
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Any ideas about what sort of weight and/or strength/ and/or damping advantages over previous diaphragm materials we are talking about? Of course they would need larger diaphragms and significant audible results before I would agree that this mat...
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...and we will start some little Polish mafia here, explaining to the morons the benefits of soaking not only our brains but also the diaphragms of our speakers with premium Zubrowka,Chopin or Zoladkowa Gorzka vodkas ;-)Seriously, nice initiative, ho...
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I did of cause run an experiment with Metal Diaphragms while the PP2000 was in play, I think I have written about it somewhere. My findings were absolutely the same as yours. ...
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HI AllHas anyone one here have any experience with Yamaha 6681B. I have a good pair with working original diaphragms lined up. I will be looking at using them in a 400hz Le Cleac'h above a 100cm 160hz Horn, possibly with a Fane 8m from the current GB...
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[quote user="jessie.dazzle"] The AK150 and 152 are not new creations dreamed up by Mike; they were made back in the day by Vitavox but nobody ever talks about them and I have never seen either. See the Unofficial Vitavox web site; AK150 = Catalog...
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Haralanov, I do not think that the “information” that you found is indicative of anything. If they changed coils and diaphragms on their LOMO drivers (and I presume that if they change the diaphragms then they did not keep the LOMO original suspensio...
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[quote user="de charlus"]Romy, do you have first hand listening experience of these YL drivers? If so, in what sort of installation? [/quote]
Nope, I did hear neither YL drivers nor ALE driver, as least consciousnessly.
[quote user="de cha...
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Years ago, the two different systems in which I heard RCA 1428s - in a fairly big warehouse and crammed into a basement listening room - used giant RCA multi-cell horns in combination with giant Ubangi bass bins, passive crossovers and vintage WE or ...
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[quote user="coops"]Romy Hi ,just a couple of things , in the Gamma there is another 1 inch TAD driver between the 4001 and the 703 , regarding the placement of the tweeter ,it is only recessed 3 or 4cm ,at a useable frequency range there will be neg...
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Romy, I presume this is with the new production diaphragms? Just wondering if the old ones might restore some of the youthfullness which was diminshed by the field coil?...
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[quote user="Romy the Cat"]Now my midrange channel need no upper range diffusion and now I feel that the result I’m getting from T350 is too soft and too transiently slow for S2. So, I kind of very mildly begin to look out there and to try top fugue ...
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A six year ago or so when I played with different compression drivers I bought a pair of Dukane 5A540 and at that time I was not able to find any information about them. Nowadays I was pointed out that an eBay sealer “ bayleafs” actions a pair of Duk...
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Looked at the JBL driver again. Seems that the two diaphragms are identical. A funny way to get around the BMS patent....
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Ralph (Cessaro) is in the process of manufacturing his own compression drivers, I have no details as yet, I believe the diaphragms will be beryllium not made by TAD.Also new and ready for release ,although not shown at Munich are double skinned carb...
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I think they could could make the sound more pleasant with an overkill of second harmonic distortion. But for people who prefer that kind of sound a relax-horn like Anima would be better anyway. No real solution. Maybe they should try the Radian alum...
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Hi Romy, I own myself a pair of S2, but still have not time to listen to them. I have just received a pair a 380Hz "hypex" round horns especially designed for them. You speak about a new (and better) diaphragms for these babies, could you tell me whe...
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[quote user="Romy the Cat"] The S2 has own very idiosyncratic upper range with own helpful resonances injected into sound. I feel that that original metal suspension diaphragm does it bolder and more aggressively then the plastic suspension dia...
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Bud, the replacement diaphragms are available all time. On Ebay and everywhere else they are being sold by Bob Crites. He holds the original manufacturing rig and he can do them in unlimited quandaries. I own the original diaphragms but I do not use ...
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Oleg has a lot of bad press in Germany for unkept promises and defaulting on delivery of product. Just keep an open mind next to the open ear. The best product only serves a purpose if it a) arrives and b) performs.I really like the things that he th...
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It is not clear to me, when looking at the sectional elevation, are we seeing an "exit hole" that is smaller than the sum of the driver diaphragms?Paul S...
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Yesterday there was the worst I can remember in my long-lasting with electricity. I mean it was not just bad it was beyond any description. My preamp has 126 steps (near a db per click) and during an average electricity day I listening it at 50-60 sl...
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Ok, I found my RTA cable and did some very basic measurements of what Macondo does in the room. The results were in the direction that I anticipated but worth in amplitude. My right bass channel that that sited right next to the equipment bay has no ...
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[quote user="rdrysdale"] I mean that with a horn loaded compression driver, a strong motor, and a very light diaphragm, the attack and transients are more life like. Because the diaphragm can more precisely follow the recorded signal, the reproductio...
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Your latest post got me thinking in a sort of incomplete way about how you might locate the injection channel... If you consider tone as a harmonic of the original source, then (depending on the order of harmonic) it may in fact not be co...
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[quote user="mark"]regarding point 6)inspect the diaphragms;3 different diaphragms,metal surround(1type only?),plastic surround(2 types?clear plastic,white)the new production style please desribe in detail its physical appearance.are these new style&...
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