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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Yes, the crossover looks fancy :) More than that it does the job. The vacuum caps are only for the tweeter and the upper-mid beryllium. Still they are bridged with micas as they wont do much alone. Adding vacuum caps smoothens the transitions and sou...
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I am really enjoying myself here at Romys site. I like the idea of someone documenting their efforts in a very (self) critical way.I think that anyone solving issues in a methodical way uses similar techniques. They all involve stripping the problem ...
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Yes, the bottom response is about right. There is a thing about the bottom response, I might be a bit in unchartered territory as I do not know how properly calibrated your measurement devise and many other conditions that might affect the measur...
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The visual element of the brief shoyld be able to be achieved by doing thing nicely, thought out and with good materials.I am aware of the no parallel walls and this may well be utilised into the design. A simple stud wall, set inside the perimeter w...
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[quote user="mats"]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...
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I have no experience with bass horns, but I suppose that any sound source into a given size room can excite its modes, hence a big bass horn or a line array of boxed woofers can be equally annoying in that regard. So if the idea of using horns is to ...
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[quote user="Knightcrawler"] The 1808 was designed for a large vented enclosure. Just looking at the TS numbers would indicate a large vented box to be best. It also worked well in horn loaded designs as well. [/quote]I did not says what it was desig...
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[quote user="Wojtek"]I plan to attach tweeter in a place of the lense to bellows (I hope thats correct term) used in macro -photograpfhy .They look sturdy enough and should provide 10cm of fine ,easy adjustment and I can buy them cheap ($10) on any p...
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Thanks for alternate driver idea, Romy. Sounds interesting.I certainly do not need all the gain from the ML2 along with my AI M3A phono/pre-amp, so I will give the 5687 family a try once I figure out a decent, fool proof pin-out adapt...
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I had the opportunity to hear the magico ultimo, in san Francisco. After i heard it, i read the article in absolute sound, and i must say that the article describes accurately the sound of this system. The room is relatively small for that big ...
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But one needs the right tool for the right job. I don't think Milq could teach me what I need to learn using my current speakers, in spite I've driven them with low power SETs with acceptable (just sound-wise) results.[quote user="Romy the Cat"]...Th...
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I really enjoy this site. Romy has a fresh view that is actually easy to understand, if one simply reads instead of interpreting what he writes.Still, a view from "higher up" is something that many of us are not privileged to. Looking at the major co...
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[quote user="Paul S"]"High-efficiency electrostatic speakers"??? Is this not an oxymoron? My friend, Mark, who sometimes visits and posts in this form, has gigantic Sound Lab 'stats. He hates SS, and he uses VTL Wotan tube amps to drive them, 1.200W ...
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[quote user="Romy the Cat"]Can you post or explain the topology of your 6SN7-2A3?[/quote]The amplifiers I use started from a kit I bought, the Moondog, so here you can see the basic topology. It is very simple. The first stage here can be eliminated,...
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[quote user="HookEm"]OK, would you say the weak link would then be:1) Just the topology of Lamhorn (single driver with back-loaded horn appendix)2) Any single driver back-loaded loudspeaker in general3) Or any single driver loudspeaker in generalOr p...
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Thanks, Scooter.I am glad to hear from someone so quickly.I've been an "audiophile" for only 10 years or so. With the Edgarhorns, I am currently using a Cyrus Brenneman integrated amp (KT100). I also have a Yamamoto custom 2A3 (single plates) w...
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The weak bass of low-power SET amps is well known. I don't think anyone would disagree.Some reasons:Simple low power, especially with 93db speakers (try with 106db like Yorkville LS1208 horn subwoofer it might be different).SE output transformers hav...
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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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[quote user="Amir"]I am not expert and my experience is limited but What I think is Macondo could outperform other horn systems in right setup.[/quote]Soundwise, my Macondo is a very interesting thing although Romy's may well be somewhat different, I...
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Thank you Romy,
<<The multiamping with Super Melquiades was made with intend to optimize the output transformers and to eliminate the interference between the inductance of the upper bass driver’s coil and the MF driver. I still use the speake...
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In the past month I have been playing around with a sub-woofer. This is my first experience with a sub. Prior to this, I held a bias that subs generally cause more problems than they solve. I am using a sub now because the main horn...
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Hey guy, syop your bullshit just for once.Ok this thread was not appropriate...fine.If i come here -at first- it was not to ask for advices, it was a case of emergency (sorry to everyone if it has bothered you).Now i've come here to discuss about sou...
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Hi all,In my experience it is VERY hard to get anything resembling realistic bass from a vented box, particularly with a Q of around 0.9 or 1. There is too much stored energy in the system and too much overhang. The best bass I have heard...
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[quote user="oxric"]Whilst as Romy points out, the room might well be on the small side, it has a very high ceiling (say 4.5 m) that in my mind always presents fabulous opportunities. [/quote] I have a second opinion about the size of the room. My in...
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I tend to think that we are not copying Romy, but more that he has generated a school of thought on audio and yes horns speakers also.I too have a system following some of the Macondo Axioms, but have used all diferent drivers.As with other drivers, ...
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I guy that I know invited me a few way back to listen a new speaker that he brought from a Plaishner , the Switzerland manufacturer. The company make own flat loudspeakers and now they looks like parley to making speakers. This is very innovative des...
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[quote user="Markus"]Interesting take on the Altec 820. No way can this be done for 20k. Looks like dipole bass with some attenuation for mid frequencies.[/quote] Markus, the price of this thing might be anything they want. They can set if $100K and ...
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[quote user="oxric"] You have often questioned the nature of my relationship with Fane. There is none but as this project comes close to a final conclusion, I would say there have been moments when Fane have been less than helpful. They had never men...
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Thanks for your advice Romy and Stefano.I have used RTA with condenser mic in my past systems but I admit I am no professional at it. But I am not clueless with it either.. In my previous setup when I was playing with open baffle designed speakers, ...
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No, the speakers like Altec 19 have time miss-aligned drivers. The majority of 3-4 way horn speakers with oken/jensn as a bass that you might see in internet also very seldom time-aligned but it is excusable as the DIY-audio people are mostly Morons ...
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