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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"]Andy, I will say right away that I am not at all set up to "exploit" online music, but this comes across to me as "clean" and "noise free", with some nice spacial effects, basically devoid of harmonics, and not much in...
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it would be nice if somebody who knows a thing or two about mathlab and pspice would develop a accurate model. in pspice one could include the crossover in the simulations....when i tried your recommendation with s2 and 3uF cap my "basshorn" ref...
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[quote user="be"]I have a two horns covering from around 150Hz and up, with a crossover frequency around 700Hz, So my system is probably less sensitive than yours with the many chanels and higher crossover frequencies. But I have changed my mind and ...
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After thinking about this for a while, I have had a thought that should be relatively easy for anyone motivated to explore and I would be interested to see what others on this forum observe from such experiments.Fundamentally I think the injection ch...
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I wonder if anyone recognizes the drivers of the Cessaro Horn Acoustics? I thought that I know all of them but looking at Cessaro’s compression driver I have no idea what it is and I feel that my ego severally hurts. The pictures on the Cessaro site ...
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I have been in contact with Andy.He replied to my first e-mail but for some reason, not to my e-mail with basic questions, reprinted below.I seem to have misunderstood about the mic capsule being a ribbon. But most of the questions were still v...
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[quote user="be"]"the cavities behind the coil are not the cavities where pressure passes"
Yes, but the speach coil and diphragm can "see" the air volumes behind the magnetic gap and will be loaded by the resonanses created, and the radiated s...
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I agree the "period" closing needs more words, Roman.The P.A. horns/drivers were mounted in stadiums, convention centers, maxonic halls, cinemas, theaters, everywhere was needed a broad music or speech dispersion, trouble free operation and high S.P....
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Hi Roman!So, an SG-37FRP finally dropped on yr. laps;-) - glad it happened: not because you're now part of an Olympus-like lobby, but because you'll be able to judge with yr. own ears, much, MUCH better than theorically speculating on this or that......
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SGSG-37FRP (designed for mid-high ranges in a smaller system). 56,000 yen Driver frequency band: 400Hz - 10kHz, " optimal crossover is 500Hz or more" 110dB, 18,500 gauss
SG-370
(designed for...
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Vasyachkin,
I have different view about “modifying products” as any product is always implying something very generic but I have my own needs. Probably not “modifying” but adopting would be better but it is not the subject in here.
If you read my s...
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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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I do not look for beryllium diaphragms, I just was wondering if someone has succeeded to manufacture them in “basement conditions”. As I understand it shall be VERY difficult.
Well, your driver might be interesting. If I was able to accommodat...
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He might be a fraud or it might be that he did found some stock of “different” Vitavox or Mike’s diaphragm. I do not think that there were any standards and the make different production runs, and some of them might be better or worse than other....
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well, i believe that the popularity of the better fostex tweeters comes from their typical, off-shelf sound which is soft and easy on ear in comparison with super-resolunt Ti or Be diaphragm equipped competition. they very much suit any sharpness com...
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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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[quote user="vinylithicum"]Here are some of my observations regarding the Wolf von Langa RCA 1428 replica. I long time wondered where mr. von Langa gets his phase correction elements and the diaphragm for his RCA 1428 replica. It's obvious that a nic...
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[quote user="Romy the Cat"]
Haralanov,I spoke with a guy who consulted me during my Electo-Vitavox project. He helped me with selection of core material, deliberated the core and calculated the right coil to keep the core mass optimally magnetized....
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Yesterday a local hi-fi guy invited me to listen his new speaker. He picked up Altec Model 19 - I am known not to be a big fun of those speakers but they have own sound in the scale of non-demanding, off-the-shelf monitors. Upon expecting the speaker...
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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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In fact I posted a question to Wolf and he replied that he can produce the coil of any voltage the customer would like to have. That is good. The below is data by Wolf von Langa:
MI-1428 - original version of the RCA 1428 - especially made for...
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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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[quote user="Romy the Cat"]As I said above your you "experienced today with GOTO" is just your transitional
feeling and you will change this feeling many times. To accommodate a pair of 42Hz
horn in a system is a year-long project otherwise you ge...
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[quote
user="Murataltuev"]I did some experiments today again with GOTO in my
existing horn and it is obvious for me that I need different horn for GOTO.
[/quote]
Here we go. Now you got it.
[quote
user="Murataltuev"]Existing horn was mode...
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I got an email from a site visitor informing me that there us a set of cheap ALE drivers at London Craigslist: http://london.craigslist.co.uk/eld/4435844980.html(copy locally to have it available after the Craigslist posting will be gone) "ALE Acoust...
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Hi Romy Indeed you sound a little racist, but i think we all have our prejudice. Funny enough, i didnt recognize nor cared, spotted the horn with my eyes, went in and listened.Now, read this carefully: I listened to the system with closed eyes, for ...
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Gera, the notion to let
drivers to run with phase consistent crossover, preferably 1 order, having big overlaps
is not new and I use it aggressively. The problem in what you propose (if I understand
you properly) is that you can’t not run your MD ...
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[quote user="rowuk"] In the case of horns, I think that most fail to see that it is a simple band pass device. [/quote]
Yes, this is as simple as that.
[quote user="rowuk"] Applying a high and low pass filter to a standard speaker driver cr...
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When you say it was not very high end...but that you found the sound very good....doesn't that mean you should redefine the term high end?
Also. Why can't the purchase of a $20k speaker in itself not be regarded as audio ambition?
Regards.
T...
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Hi Romy,Well, this is my (and my dad's) first horn system so we're learning/building one step at a time. Our motivation is simple, to use horns as low as possible.The very first DIY configuration was:TAD ET-703TAD 4002GOTO 505TTTAD 1603 Woo...
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