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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="atilsley169"] Sorry…I had trouble understanding the expression. I trust your allergy gets better…perhaps too much pollen in the air. [/quote] I have no idea what you are talking about.[quote user="atilsley169"]Vertical alignment. No pro...
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[quote user="twogoodears"]I'm following with interest the thread and must say that I'm baffled: Goto's "instructions" are - SIMPLY said - a mix between non-existent and wrong... I love what Goto's did in my system... BUT I think I did more with "...
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Of course the issue here is not so much time alignment as it is whether the physical structure will allow/facilitate decent LF. And of course "framed" structures eat some LF and create a +/- unpredictable LF environment.Two of many questions are, wh...
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A correction: the installation above is not Reinhard’s but by Klaus Speth. Klaus and Reinhard experiment with audio together and Reinhard has his own Goto setup. Here is more information about Klaus’ system with Reinhard’s comments:
Midb...
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Romy, thank you for your thoughts. First off, my further thought on the system and specifically the implementation of the high freq section: Yes, the time alignment would be a challenge but possible. This is the main compromise, in my view but the le...
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I think I wrote In the past here, if you like the 10” Tannoy, why not try the 12” or 15”? The ones with rubber surround are not so good in my view (from CPA or DMT series as they have very restricted midrange) but the cloth surround Tannoys are wort...
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Hi there
I can see Romy's face when he's trying to figure out Martin's time alignment strategy;0) I have Martin's 204 Hz horn with Fostex 208 E Sig. These horns are to be big to properly integrate with anything. They are OK with Fostex Lowther drive...
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[quote user="rowuk"]Maybe with the Dunnoy, we have a “working” point source? Perhaps this type of “point source” puts audio playback artifacts in a better location than with the traditional spread of drivers?[/quote]I think this is certainly a distin...
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Stefano,
I do not have any strong objection regarding to what ALE do. Bent bass horn are more evil then straight horn but considering the small throat of the ALE drivers and their desire to make it to work low the length of the horn become to...
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I would never believe that I would face this problem. My carpenter measured up all my space and give me a verdict that he can put in there two mouths 4 by 6 feet with a foot and a have between them. That is it and that was exactly what I would like t...
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Putting The Mid Bass horns behind your head will not work. This thread was about Mid Bass Horns Project, do you thank you will be able to use any frequency above 80 cycles with rear fired horns that are behind your head? That is a Joke. It looks more...
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[quote user="msaudio"]When you set in your chair looking and listening 2 your sound system you are trying to create in your mind and your ears the illusion of instruments placement on the stage in front of you, to make it more lifelike and real. So y...
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The twins were born in mid of august last year. Since then I
had time and strength to finicky with my playback here and there. It is not set
ups up to my standard yet and the playback is not properly imbedded into my new
listening room. The people...
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Having a big window in front at night it becomes like a big mirror, some might get self conscious about it! JA The thing about glass is that it eats up bass and reflects highs like crazy, having said that, some of the best rooms I listened to, had...
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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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Chris, yes and no. The phase shift 90 degree of there perhaps but it is not really relevant. If we have a very low frequency horn, crossed low with high order crossover and the entire horn is delayed at 30ms then we do not have the same negative impa...
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Hi Anthony,I am amazed by the work you have accomplished so far and love your stands and horns stacks.Two comments though in term of overall esthetics although I realise that having spent so much time on this it may be too late to make changes.I woul...
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[quote user="oxric"]Hi Anthony,I am amazed by the work you have accomplished so far and love your stands and horns stacks.Two comments though in term of overall esthetics although I realise that having spent so much time on this it may be too late to...
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[quote user="oxric"] I like the idea of angling the enclosure, although I am not sure about the idea of the lowest drivers firing at the floor...I would use a series of modules each containing two tightly fit drivers which would fire parallel to the ...
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[quote user="twogoodears"]Hi Keith and congratulations for your new babies... I'm truly jealous of your room size.
Me too, as I previously wrote, assembled a VERY similar rig, vastly inferior to you welded supports, any, using the same approach: S-1...
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At recent Nord-West trade show Jeffrey Jackson, the guy who runs Experience Music site, demonstrated his new horn Installation. I know little about it and would like to make some comments about what is feel is obvious from the image.
It is 5-ways ...
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I am very happy that you did not suspend my account. Because i will prove to you in the future that my idea for time alignment is correct. I have only had one account with your web site, and your web forum is the only one i am a member of. Because i ...
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It looks like the Cogent boys came up with a new design. It is good that they are keep looking, even thogh they unfortunately are restricted with their desire to stretch the use of their drivers over too wide bandwidth….
The new Cogent setup lo...
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Romy,
Air core is ok, but. 1. Self inductance in an unmitigated field clumps. You can easily see this by unwinding a hockey puck style air core inductor and measuring the inductance with each turn removed. Never will you have the smooth loss of indu...
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Looking at the drivers, and the range of adjustments, it appears that Wilson have done some things that make more sense than usual, at least to me. The MTM drivers can easily be set for "time alignment", which should help to cope with Wilson's "noto...
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To save people from researching the differences between Romy's and my systems, I'll note the principal differences here, ignoring our ongoing mid-bass projects, which will be different, but both are incomplete, so not yet in the picture.As concerns t...
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I am on record as not liking back loaded
horns:to be effective at bass frequencies, a BLH needs to be as long
as a FLH would be; I've yet to see a BLH, with the possible exception
of the Tannoy Westminster, that actually has a long enough horn ...
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I guess I have found a more or less usable new configuration for ULF channel. It is 28Hz, second order, with slightly raised ULF on the transition slope. It sounds quite good. Well, I am not supposed to say this. It doesn’t sound good but it sound pr...
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[quote user="RF at Ona"] Romy,I might have overlooked something on your site but I understand that your ULF amp is driven directly by the preamp line stage. If that is the case, you may want to consider an old technique for integrating subwoofers...
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[quote user="drdna"]Maybe I don't know what DPOLS is, as suggested by others in this forum. All I know is that I can spend a lot of time fiddling with the exact location of the speakers, the sepcific 3 dimensional alignment of the two sets of d...
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