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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I understand your point of view concerning 'vintage' in comparison to 'contemporary'. What I find the most troubling with many of the present/contemporary attempts in design is that many people claim to have a truly horn loaded system capable o...
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[quote user="decoud"]Since the 8M is now no longer to be had anywhere, for love or money (delighted to be contradicted on this), would people care to suggest alternatives for precisely the use Romy puts it to: driving a round, 3-4 inch throat, upper ...
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YL 75000 has heavy phase plug indeed , rca style (see sketch) while 1250 ( I never had one) gets a fixed metal dome equivalent to spherical piece on 75000 and rca plugs without conical shape pointing the exit of throat. Ironi...
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TwoGoodEars posted at his blog a report about is listening session or some kind of installation. I still have no idea who’s installation it is: Jean Hiraga or Be Yamamura. Nevertheless, I think it very much worth to look into it.
http://twogoo...
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Of course i used the 515-G. this famous speaker suited very well to our bass horn...as any other bass horn ! the only problem with the 515-G was a upper end a bit...noisy with our 6db crossover.When we started with Cyrille-audio a project of a 15" fo...
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I dont want to hack this thread into TH, I tried them with sub-amps 150 watts and they didnt sound good, but I was using a passive preamp, when I added an active preamp things started to get better, now with 12 watts and a a lot of gain, bass is ama...
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OK, the new Macondo frame is over as well. Eventually after 6 years of learning how to make the damn horn speaker to sound good, after numerous incremental successes and failures, stupidity and brightness, moves to wrong direction and mistaken assess...
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Romy, thank you very much for very detailed explanation of your horn theory.Let me present some doubts about it. From physics basics when we have more than one springs (suspension, throat resistance, back chamber) we can consider it as one spring. Th...
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Hi Jeff,I am certain that the best midbass was NEVER in a corner horn. Every fold in the horn is a new resonance. Corner horns need many folds...In addition, if you are very "anal retentive" about phase alignment - how do you integrate a corner horn?...
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[quote user="jessie.dazzle"]Upper Bass : Frequency range between 100 and 500Hz – Driver loaded into a 120Hz straight horn, driven by DSET dedicated channel. Mid Bass : Frequency range between 40 and 100Hz – Driver loaded into a 45Hz straight hor...
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Hi jd*thank you for caring, and encouraging me to wade through all of this horn info. I'm 63 by now, not sure if I'll ever get out of there alive before I'm done though...Romy posted some picture about a commercial horn (Western Electric WE15) th...
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[quote user="oxric"] So, yes, in an ideal world, I would have seriously considered doing something different….[/quote] I guess your definition of “doing something different” would imply reading of 534 pages of BS from people who have no idea about ...
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Of course we do not defend or support a given topology itself but we only wrestle with the results we are able to get from it. Right? But perhaps there are some basics we can agree on? Basically, if it's Tone you are after, you are swimming upstre...
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Re: the guy from “Enjoy the Music :Nice to finally see this. Romy wrote:"...Do not forget that I have a LOT of mid-upper-bass tool in disposal. I have 6dB extra in my current upper-bass horn and I have high-pas my injection channel at 120Hz…"6dB extr...
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Too late now for points, but just the other day I tried to imagine your plan. and I was pretty close.Actually, it is a bit like what I have going now; 15" Eminence bass guitarr woofers in a sealed 3 cu ft cabinet,Oris 150 with 8" B&C midrange dr...
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My approach of the Mid/Upper bass horn and design decisions have been pursuant to a specific acoustic performance target first, quality of construction second, and cosmetic appearance of the finished horn the third. (I believe I was clear in a ...
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[quote user="JLH"]Foolishness is too soft a word to describe the unspeakable garbage the Magico Ultimate is. They have mis-matched impedance drivers, improperly sized horns for the drivers, and made everything from metal. Then they go on an attempt t...
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Quotes from Romy in blue :"...If you are not in very large room and your bass section are not 90dB sensitive then take one of yours left ML2.0, bring it to right channel and drive with it the right’s channel bass system instead of M1.1. It will ...
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Romy wrote :"...Years ago when I researched the subject of the drivers for my UpperBass horns and when I was trying many alternatives..."And in the Warfdale thread :
"... I had in past a few Goodman drivers but I was looking very different thin...
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[quote user="coops"]Romy just a quick post, after the Munich show I had the oppurtunity to spend a few hours listening to Ralph Krebs home system, the Cessaro Gamma's, super sound, the antithesis of almost everything I heard at the MOC, regards Keith...
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[quote user="jessie.dazzle"] Assuming you go ahead with the mid-bass horn project: If you decide to run the woofer towers along with the mid-bass horns, it is logical to assume they'll produce much of the range produced by these new horns. [/quot...
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[quote user="speedysteve"]Well, I think
it is horses for courses and the tapped horns are a bit of a different
gigi. I found it is imperative to suffocate the
rubbish that is coming out of tapped horns above say 100Hz - mine are sized to
work...
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The best midrange comes from compression drivers, it has that minuteness, transparency and dynamics that no other topology can offer; the main problem with them is that they only cover a very specific mid frequency ran...
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After living for a few years with Edgar 80Hz straight horns, I've had many urges to find a better sounding solution. I have a reason. Every time I turn them off and continue listening without them I notice that something good happens to the sound. It...
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[quote user="jessie.dazzle"] Are you suggesting : 1) Running the upper bass horn from a second ML2 ? 2) Running the lower bass enclosures (sealed boxes) from a second ML2 ? 3) Running both the upper bass horn and lower bass enclosures (sealed boxes) ...
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Martinshorn , that for feedback, as I always preach:
the bad result during audio show does not mean anything, only good results
count. You see, there are zillion reason why during the show the sound might be
horrible. The inadequacy of the people ...
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[quote user="Murataltuev"] 3. GOTO
SG-146LD in 46horn 50-400Hz
I've added 0,7m length to 2m horn, so now my
mid-bass horn has 4" throat and 1x1m mouth and 2.7m length. [/quote]
4" throat into 1x1m mouth…hmmm, you hardly
will be able t...
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Here is my proposal for an ideal horn system. The concept derives from the really of the horns as I know them, the available park of the drivers, the drivers’ real capacity and from… everything else that I might comment upon if you would not figure o...
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Klaus,Yes, I assumed that you had found the spec sheet; I only included the link for the convenience of others following the thread.Klaus wrote : "...whats wrong with 9,9"? its rougly 55% of sd? you think, 43" is too short for a 62hz h...
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Ok... Assuming the lack of time alignment is compensated for via a DSP:
There are likely large chunks of the frequency spectrum that go un addressed, and equally large chunks that are mall-addressed.
I would say that there are two main ranges ...
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