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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Here are a couple of measurements of S2's (not taken at the show).Both are taken at the listening chair, ear position in my system.This one is on a 2nd order passive, spec'd to cross at 1.25KHz.(This was Coco's S2 with new surrounds on a Le Cleach 55...
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I think that I saw someone offering a silicon nitride thrust plate along with the ball bearing years ago. Jam, your solution of simply flipping the thrust plate upside down makes perfect sense, but I suppose a silicon nitride (or similarly hard) plat...
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I, after being sick and tired form the Denon 102 misery, got the Ortofon Mono needle. I was under impression that Ortofon Mono was true mono cartridge with one coil. However, when I opened it up to mount it’s insert on my “Chernobyl Spinnaker” tonear...
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The 4 sections are done. The last one is not glued yet. The reason what we assemble the section and then glue them is because the section have complex 3D geometry with all 4 sides are under specific arc. Yes, that is right – even the side of the horn...
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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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Hello,A couple of things to correct here - the horn flare is not conical even though the exterior surface gives that impression.Also I don't believe Jeffrey has any affiliation with weiss or other industry types at all - in fact, from what I've seen ...
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Hello Skushino,Glad to see "it's alive". I am near you, but I have a different phone #. You can PM me for it.>>> back chamber: an 18" flange / Google 18" diameter PVC flange. If you use the glue on type, make sure you use the very heavy g...
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I was waked up this nigh with very load sound of thunder and lighting. The rain was gashing and I went close the left opened deck doors from last evening. Suddenly, totally out of blue, and idea come to me – why do not use the idea of Carlson Enclosu...
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All below is written by Thomas Dunker
Yeah, "sound consistent independent of signal level" is a very precise way to sum up my whole speaker philosophy. Anything that is assumed to be constant, but which actually changes with signal dynamics is what ...
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Hi all
The first link, to the musique_concrete website was because there's
pictures of some horns made for the S2 .
I hope anyone interested in JMLC horns read the last four links,
where Jean-Michell writes about his reasoning for his horn ...
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[quote user="Jeffrey Jackson"] so a few things... one, there is a pair of Goto 370 on eBay and pictures of insides... the newer ones are made the same, but it seems that the execution has gotten a better/cleaner compared to these.. my diaphragms look...
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Something they mustve obviously done better than others using beryllium. Judging the sound. In a positive way. The lower 3 are titanium, but all upper 3 are 4/3/2 inch BE sourced from truextend. The suspensenion however is soft and allows excursion.I...
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Dmitry, if you can then can you name your posts identifiably, if would not be difficult, would be?
Regarding the subject. The signs of wearing would be different on different profile types. Particularly it is different for each needle on the contemp...
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[quote user="ayebee"]If you look at the original Bionor drawings (you can find them at klangfilm.free.fr) you see that the "bass" horn is actually made out of two sections, the outer is curved, the inner is conical and expand both horizontally and la...
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Novigera, let's ignore any issues of sound quality first. A horn loads its drivers and increases efficiency only at certain frequencies. The frequencies that are more efficient are based on length, taper and size of the mouth. That means that it does...
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John, I had nothing to do with Voyd or Pink Triangle, I also not a big fan of Audio Note UK.
Mono cartridges is good, in fact I feel that Mono Cartridges IS A MUST for anyone who do analog more of less serious. Defiantly a second arm is more conveni...
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Thank you Romy and congratulations on your website, it just keeps getting better and better all the time.
The RCA1428 is a great sounding driver on RCA multi-cell horns. Not that I like multi-cell sound. I have never heard an original 1428 on a tra...
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From a company called CH Audio Design in Florida:http://chaudioroom.com/Sculpture.htmlCH Audio Design Sculptures Loudspeakers, with Altec 288 high frequency and 515 low frequency drivers.A fully horn loaded two way system. Using the ceiling and adjac...
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I'm a new reader of your website and one subject which interests me a lot is that of upper bass horns.As you have noted time and again (with which I agree almost completely, after reading a lot of 'research' [many claiming to defy the laws of physics...
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[quote user="skushino"]Thank you Brian - you confirmed what I feared.Caveat emptor. The seller is the former Van denHul repair guy in Germany - Detlev Brod. He offered a new SPU mono, at a price too good to be true. I specified the GM25, and when I c...
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Dear Romy,
well the horns are actually not designed for HF. The intended working range is up to 5-700. But since we use low Q, only second order filters we want to have a rather large overlap in the crossover region and a fairly even pattern over ...
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[quote user="Romy the Cat"]
I would like to dedicate this thread to sharing views about a theoretically ideal, ultimate horn system. What would it be? Am NOT talking about the typical wishful thinking when people publicly drooling what they would d...
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wow. So much to digest here.
Further thoughts.This is where I’m at.
It
seems that I don’t have the space for optimum straight horns exiting directly
onto the listening position as per Romy’s diagram. And besides,...
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I have 4 arms on my TT: reference stereo, romantic stereo, mono and the “shitty” arm. The “shitty” arm is Grado Reference platinum needle with SME M2-12 arm. It is not shitty arm but it has shitty purpose in my setup. When I buy records I pay the...
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Hi
[quote user="cv"]You're right of course - we want to preserve continuity. This is something Earl Geddes has suggested is easier to do with the newer generation of "pancake" drivers, if I remember rightly, as far as his waveguide design goes any...
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Speaking about the interesting surface finish. I have seen a
new stimulating idea that I call the Scratched Horn. I do not know how much
practical effect if has but it shall not be bad. Let pretend that it is not a conical
horn with even sides but...
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[quote user="Romy the Cat"]Did you try to buy a cartridge, recognize that you do not like something and to try to return it back? Good luck with it.I think in today would we lost the battle for cartridge QA and we need to knowledge that the industry ...
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Low power set should not be a problem. The Unity was fine with SET amplifiers, so the Synergy should be no different, if not better. The Synergy horn is different than the original Unity horn. There are some very specific improvements in the Synergy ...
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Hm, this is what I am playing how: the new 18-cell and S3. I run it from a full time Milq and use it with no filter of any kid. Rony is right the depth effect is there, it is not even depth but rather multi-dimensionality. Indeed very pleasant feelin...
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Thanks, starboy.
It is educational. Your Mantis might be an interesting cartridge and it is too bad that there is no way getting any frame of its performance besides buying it. Among the people I know, in whose listening rooms I was and why were and...
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