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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="Blaukopf"]Hello Romy, thank you for the answers. Your horns
have a round mouth, but their profile is not spherical. That is the profile of
the Avantgarde Horns you formely had - apparentyl you have anayzed them
intensively, could you...
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If you look at the picture second from the the top, you will see 2 woofers mounted in front on the baffle, notice a 2 piece horn from the baffle. Klangfilm never had such a horn, they would start at the baffle and curve out. The horn in your picture'...
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I note English Mfgrs tried low power ribbon Midrange horns in the 50's (Decca, Kelly & Quad also made one!).These were probably inspired by the hi pwr prewar? Klangfilm ribbon horn (would like to hear one of those!) But, after Peter Walker moved ...
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A few years ago playing with my favorite Vitavox S2 driver I was asking myself how it might sound if instead of the Alnico magnet the electromagnets would be used. As many other driver of the period the Vitavox did not utilized the only one magnet ty...
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Hello Romy, thank you for the answers. Your horns have a round mouth, but their profile is not spherical. That is the profile of the Avantgarde Horns you formely had - apparentyl you have anayzed them intensively, could you elaborate what problems yo...
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http://s229.photobucket.com/albums/ee214/RacerXXXtreme/?action=view¤t=speaker3.jpghttp://s229.photobucket.com/albums/ee214/RacerXXXtreme/?action=view¤t=IMG_2715.jpgGuess I've always been fascinated with horns. Esp...
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I had two friends in NY City with Klangfilm Bionor who drove them with Lamm ML2.0. One of them had 405 footers and another had fool filed-coil version. I did not look into details and if I remember correctly the driver were in fabric cocoon but I do ...
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I agree wholeheartedly with Stich that there is nothing "behind the curtain" that "stands by itself" due to some inherent value. As a Well Tempered (Reference) arm user, I always warn everyone who will listen that this arm is totally "over-damped" "...
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[quote user="guy sergeant"] Having said that I've never heard a properly working WE555 or 594 either and given the problems of getting the S2 to work well I can't imagine there are many installations using those drivers with the right sort of horns t...
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I’ve been harassing my horn-maker for quite a while with an idea to go for straight, no-cheating 45-50Hx horn. We discussed it countless times and sometime probably we would go for this, and particularly if I figure out how to resolve the delays prob...
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Well, at the end of the day it is a personal choice. I listened to that WE-Demo at High End 2012 and beside all pros /cons there was a situation which was very unique: The room was always crowded, more smiling faces than in other rooms....of course y...
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[quote user="Romy the Cat"] your diver might be a very good MF diver but it does not go to region where the “tizzing” live.[/quote]You may not believe me, but the driver start to roll off (very smoothly) after 14kHz and at 20kHz is at -6dB. I intent...
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[quote user="el`Ol"]Weren't these speakers (at least in Germany) normally used built-in (infinite baffle situation)? And I don't like the word "open baffle" because it can mean anything. It reaches from quasi-IB like proposed by PHY-HP up to that mor...
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There is a picture of a bbq thingy -- at first sight I was confused thinking it was downward & upward facing horns...:)[quote user="Romy the Cat"]
The Japanese Christopher Witmer posted at the Sewers some finny pictures of another Klangfilm “in...
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[quote user="Paul S"]Romy, I have for some time called this phenomenon the "necessary roughness", and one of the things I liked (loved, actually) about Cogent's main field coil was that it did this very well indeed over about 2 octaves; in fact, it w...
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Some background first... My first initial foray into buying some decent speakers took me onto the path of Quad 57's, they had their limitation that are well documented i.e. sweet spot, not the most extended treble and not a speaker for a party.....
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I would like to add to my previous posts that the situation I described above made virtually imposable to correlate experiences of different people have with different drivers. If you for instance use your JBL driver and I use my TOA driver for the s...
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[quote user="Romy the Cat"]our logic is correct but you refuse to see the whole picture - this is the biggest mistake the admirers of the open baffles do. Let trace the entire process. You grow the size of the baffle in order to keep the speakers to ...
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I do not know if it was because economy, because the Japanese events early on this year or because any other reasons but there is a lot of Goto drivers for the last couple months on used market. The prices go down and it looks like nowadays the G...
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This is "Camerata"-- a listening space owned by In Yong Hwang, a retired TV anchorman. It is located in a beautiful museum development in Paju near the North Korean border outside of Seoul.I have known Mr. Hwang for 10 years and he is an old ...
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[quote user="el`Ol"]But when the frequency where the dipole acoustic short circuit "kicks in" is clearly below the Fs of the driver, everything "dipoly" that can happen are rear wall reflections with the wrong phase, and that danger is also reduced b...
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The AudioFederation guy posted pictures from RMAF show with Cogent room. (The images are courtesy to http://www.audiofederation.com)
I was wrong in my previous post, as Cogent did demonstrate their loudspeakers with Ionovac ion tweeter. Yester...
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[quote user="Joe Roberts"] At least I have significant WE experience! Romy, you have none to speak of, yet you are super-opinionated on the subject. Someday you might learn the truth. The big WE horn systems are a different league entirely from m...
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[quote user="zako"]I dont get it,,,Why introduce a system thats been around in all the CINEMA theaters for the last hundred years,, I guess what goes around comes around again,,,[/quote]
Well, they did not “introduce” anything as I understand...
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[quote user="ygoh"] 1.) Why is it that you do not support using teo compression drivers in the same throat? Is the distortions increases, such as wavefront distortion? [/quote]Sure the wavefront gets spread; it is what Wilson does in his ...
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Well, when we are talking about Cogent we need clearly differentiate two things: the Cogent’s drivers and the Cogent’s installation. The problem is that since Cogent’s drivers are something so called “compression drivers” then their performance might...
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Each new idea is an opportunity or a pain to be involved into a new round of custom work. With all my considerations regarding engaging the DHT I more and more biased to have YO186 as the leading candidate, in fact I almost decided to do it. Fr...
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[quote user="haralanov"] My driver has not even a single trace of tizzing top end. Tizzines is intrinsic feature of ribbon drivers (including RAAL), not of well designed paper drivers. Actually, the heart of my acoustic system is ultra high perf...
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Not saying these are not better than most, but too little is said here of objectives, and too much is made of the "quality" of the bits and pieces, themselves, IMO. And servo is nothing new, if that's what this is:
http://www.wolfvonlanga.com/spe...
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Hi Roman, hi all... intriguing post and interesting questions, as I've been for about 20 years a triode and, before, a tube user and a glowing-in-the-dark maniac.My experience...I purchased - years ago - an Hiraga 20W which I used as a bass enclosure...
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