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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="tuyen"]When i change the cutoff of the 505tt to 200hz and 250hz, I experience that same 'hole' you mention about. Hence why I was questioning if it is the 160hz le'clech horn causing this and if using the goto s150 horn with it's di...
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The AA guy with name Kloss runs on side a company “KCS loudspeakers”
http://www.kcsloudspeakers.com/
I do not think he does anything with his company. He is known for years helping other DIYers like himself to make theirs loudspea...
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If it is possible to generalize which group of individuals in audio possess maximum amplitude of idiocy and at the same time archived the minimum audio result then unquestionably the leading position would be belong the audio industry marketing boys ...
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nl,
[quote user="nl"] I offered to be of assistance, as I have a little experience in these matters, but assistance is not appreciated so I will be leaving the Kingdom of Romy for more productive environments. [/quote]
where did this come from are ...
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Ok, I made some further experiments driving this time my S2 driver from Milq DH DSET. The hell of the sensitively - it was too much. So, I went for 4:1 inner-stage ratio. The result was very successful and the amp looks like was able to get more...
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[quote user="hagtech"] It's difficult for me to guess exactly what the possible sonic effects of the ripples would be. I see a tube operating at a fixed point, having a particular distortion spectrum. Say -42dB 2nd harmonic. Then, t...
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Thanks guys for all the suggestions.Klaus wrote :"...there are a lot of questions, but if one thinks to much, then he will end up like this lynn olson, pages and pages of endless talk and no horns..."Very true, I need to get cracking, but I'm&nb...
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Paul,It would be improper for me to write down what I have worked on over almost 40 years in the telcoms business. WRT a CV for example, I have in the past written it all down and the reviewers do not believe it. Eventually, i stopped bothering abo...
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Devo, the GM-100 for sure is a good triode to get 160 watts
output power in A1. Still, it would be a good chose, from my point of view,
ONLY from a prospect of embracing as good DIY audio project. There is nothing wrong
then to do the good DIY aud...
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[quote user="N-set"]
Congratulations on the build! anthony wrote: Yours uses all toroids, or mostly so, which are more efficient than the EI that I use.
Why have you chosen EI vs toroids? The latter emit less.
Cheers,
Jarek
...
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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 "my own" care, "my own" taste, ...
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Regarding combined driver diaphragm area for ULF: Romy wrote: "...I disagree that using a bunch of 10" drivers is some kind of compromised in way. The six 10” drivers give me a surface of 2.3 18” drivers..." I recognize the relative and impo...
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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 and drive your ULF amp w...
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Here is a snippet from an email from Jonathan Carr (Lyra cartridge designer) about objectives and considerations regarding cartridge loading. Most of this is old news, I only re-post it here as a convenient synopsis on this most misunderstood t...
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Well, I never felt that for prototyping I need more then one-channels crossover as by use of the poor sounding prototyping crossovers I never look at the system in it’s entirely but rather for the “technical listing” of just two channels that I...
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[quote
user="Stitch"]The motor can't hold the specs forever…..The motor
itself drives a HS-80 easily.[/quote] Yes, and no. When people
talk about it they forget to note that it is not a motor problem most of the
time but the interface between pla...
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Romy wrote:"...I will most certainly do not need it to go over 1000Hz, why would I? It is very much not my objective. All the I would like to do it to give to Fundamentals Channel some room from the bottom to breathe..."Three reasons:1) To try hi...
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[quote user="Romy the Cat"]
RF at Ona wrote:Personally, I think it debatable whether the mouth edge should be free or attached as there are desirable aspects to both approaches. If attached, it need not be attached with great pressure. Robert, ca...
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I recently completed some upper bass horns which I'm now enjoying very much. Sadly I lack the skills of someone like Jessie so my efforts are crude in comparison, but they are working well for me which is the main thing.I already had some old frontlo...
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Before I go into describing the concepts of Imbedded Macro-Positioning I would like to pass some overturning statements. They are not necessary directly related to the Imbedded notion but they do have SOME relation and I would like you to think...
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I do not know which core and wire materials I shell need, I need to consult with my transformer people for that. As the starting point I plan to use that:
http://www.sowter.co.uk/acatalog/EQ_INDUCTORS.html
It might be good as is of I might order so...
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I was asked a few days ago what I think about Zandèn new CD player and I replied that I do not think about it.
Truly, those companies produce new models each 18 month to initiate new rounds of cash extraction from clueless, deaf and blind audi...
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Paul McGowan, the head of PS Audio send his newsletter with his comments about SACD. The comments are childish and in many way absolutely ignorant. I hate what the industry professionals twist the facts and go into pure falsification in order to ...
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I spend quite a few hours playing with the new channel trying to ingrate into Macondo but so far not successful.
Since the new channel and the Macondo upperbass horn have identical sensitively and identical impedance I figured that I would drive it...
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I.M. Distortion wrote : "...#1 from were you listen to system from you should be able to look down the throat of every horn in your system..."jd wrote : "...Hmmm......
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[quote user="Marc HENRY"] For this Musique-Concrete horn system called "Grande Castine" (it was developped in Saint Cast Le Guildo, Britanny, France, from were females inhabitants are called "Castines" ) i prefered a modified 60Hz Le Cleac'h cylindri...
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Paul, l I have written about it somewhere: the passive speaker-level crossovers on bass channels are no good. Marko has 250Hz that with 3rd order would be around 10mH and 2mH. With air core then would be very large coils with huge amount of DCR – ver...
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[quote user="serenechaos"] blah, blah, blah, all that stuff... yes, yes, I was thinking along those lines last night after I posted it, and wondering if effects of hi pass, (not just steep acoustic roll off of driver), in the amp, relieving unwan...
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[quote user="el`Ol"]Hello Romy!
I just listened to this system http://www.hornfabrik-eder.de/index.htm which has an 8" Görlich in the upper bass horn and I couldn´t find anything "inherently faulty" about > 4" without compression. The kettledrums...
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Jacky, so, you are the person who did that presentation at
the video was posted by xandcg a few days back and who presumably found the company,
welcome. Is the same internet forum account used by multiple people then it is
hard to differentiat...
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