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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Paul,After looking at some photos of Stock Altec horns, though they appear reasonably stout, I can believe they would still resonate when excited by sound pressure alone, as they are still on the thin side if left as bare metal.See them here : http:/...
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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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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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[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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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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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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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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[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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[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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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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[quote user="CO"] Ive conducted some test with the smaller drivers because i wanted to know if i could build a compact high quality setup to replace my current fairly large speakers. It doesnt look possible though, mainly because (as you say )the Upp...
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I care less about Bret and his business, in fact I have no idea who is he. Since he use audio as business then what distinct him from any other audio whore. A purpose of any business is supply demands and capitalize on the frustrations, investin...
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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="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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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="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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Well, Yoshi, at least you're on your way to getting your speakers more of a piece.I have for some time warned people against a mix-n-match approach with the DEBZs, based on my early experiments with them, and it is true enough to say, I think, that&n...
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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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Well written article, I think, and he is good enough to share right away that he is a "vintage" guy, and an AN guy, which helps me contextualize his observations, even though he does not reveal the nature of the $$$$$$ "ultimate horn speakers" (...
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[quote user="ayebee"]An observation that might only be of superficial interest to the thread: I don't think the speakers use Klangfilm woofers. The pictures are a bit grainy, but the dustcaps look far too big for the original Bionor woofers. I would ...
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In his latest YouTube,Romy mentioned using my prepro to time align my drivers.I use the Trinnov Altitude 16 prepro which has a total of 20 channels. 16 of the channels have balanced analog outputs and the othe four Channels use the rca and optical sp...
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