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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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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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Continuing to harass the readers of my site and myself with the good news about the performance of my SA8535 driver I would like to post a very educational article about the subject. As I told before, being familiar with sound of ribbons then never i...
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I'll try to make some comments on Feastrex Sound in this post. It is always difficult for me to isolate the sound of the individual parts I want to analyze. Like in this thread, which has partly evolved into the effect of all pe...
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[quote user="be"]I just spoke with a guy who have made both permanent magnets and electro magnets for loudspeakers.He said that the reason that electro magnetic speakers have a smoother and more grain free sound, is due to the temperature rise in the...
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[quote user="coops"]I have't heard the driver in the Beta, I am told that there isn't a great deal of difference sonically between the field coil and the alnico magnet versions of the driver. [/quote]
It is most like that people who told...
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No, I wasn't heard they big speakers but ever if I had I would advise you to really do it by yourself than consider opinions of others. Unless, of course, you really know the person and the person taste.You can contact them directly, they are respons...
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Romy's prediction of field-coil speakers as the next move for the industry may already have started in small segment in Japanese market. There's Feastrex and Shindo, then G.I.P Laboratry who specializes in W.E. clones and seems to be gaining a ...
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At CES there were Viagra-junkie sized power cords everywhere for $5000. Around our room were $10k and $20k speakers that sounded like a wet jukebox. It was the land of delusion.Value per topology is one way to measure but let's instead start with a p...
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I don't know why the Berning topic gets everyone so worked up. No need for another ZOTL screaming contest. Is this not a hobby where we explore many solutions? It is a difficult subject technically. I for sure can not speak about th...
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I hooked up that old organ yesterday and listened to some stuff i remember listening to through it before. Before i get any further it's the only thing with tube amplification in the house, pp6v6 ~6w, driver is 12" Rola. My observation was that it wa...
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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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I would agree that the Lowther is not hard to beat but the question is where and in whose mind does this competition exist? Is the Lowther, Manger, or other full range single driver in competition with different multi-driver approaches, other single ...
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Somebody at AA asked about the difference between electromagnets and perm magnet. Thankfully the AA idiots who pick the pieces of brain at my site and already learned that the idiotic blabbering about “the electromagnets have more flux” is comple...
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Be, I have made a lot of experiments and I confirm that if a permanent magnet (Ticonal, Alnico5, Alnico3SC) is heated up, the sound gets a little softer, but the typical "screamyness" is still there as if the sound comes from a very little zone, stuf...
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I suppose I have "learned a lot about drivers" and speakers over the years, but age has overtaken my production capabilities, and I am selling my stash of drivers. Included for sale is the Holy Grail of lower mid-range drivers, a particular variant o...
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The only reason I don't have a giant WE system is that I can't afford it and I don't have room. I sold all of my WE and Lansing field coil gear to my Silbatone friend back in 1989, because I know he would never sell it, he was putting together a ser...
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Joe, I think I would battle it.
I would not be so certain. Mostly the SUV sized bass horns are notoriously bad sounding despite of the assurances of the system owners overwhelmed with so common in audio endowment effect. Not to mention that the Stag...
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[quote user="serenechaos"]A great match for Asian culture/music? Makoto Tanaka (Builder of the Nessie cabinet) was at the controls, playing bamboo flutes, bells & such. [/quote]
And I am not kidding. Each time someone invite me and try to ...
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[quote user="haralanov"] So the tweeter is always needed. The bad thing is it deforms (in 99,9999999999999999999% of the cases) the perfectly round audio window, formed by the midrange channel and "pull" some notes sometimes at its axis. These are of...
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This material is courtesy to Mr. Shibazaki, the owner of Sibatech Shop in Tokyo, that sell internationally Japanise Hi-Fi equipment.
http://www.sibatech.co.jp/
I hope that Sibatech people are more decent then our american distrib...
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[quote user="guy sergeant"]Some of it, (the current speakers and some of the amplifiers) are in my view, not outstanding. Other items, (the big preamp, phono stage, cartridge, MC transformer, silver cables and largest power amps are exceptionally goo...
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I am currently planning high-WAF speakers for my sister which have to stand in the corners on the floor. Asking for small corner horns I was told the EV Baronet could be a solution. Simulating it with roughly estimated dimensions I found that the FR ...
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This is kind of shit that I hate. I went to AA and read a person said:
“Don't miss the CAR room... That would be Classic Audio Reproduction. But that's only if they are showing the same basic design as last year, which uses modified JBL drive...
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| agree with your feline wariness with regard to torch bearing disciples of any given faith, be they believers in Altec, Audio Note or even Vitavox. In the case of Audio Note the fervour has often been exacerbated by the activities, pricing and ...
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Here are some of my observations regarding the Wolf von Langa RCA 1428 replica. I long time wondered where mr. von Langa gets his phase correction elements and the diaphragm for his RCA 1428 replica. It's obvious that a niche-manufacturer such as 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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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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[quote user="vinylithicum"]Here are some of my observations regarding the Wolf von Langa RCA 1428 replica. I long time wondered where mr. von Langa gets his phase correction elements and the diaphragm for his RCA 1428 replica. It's obvious that a nic...
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The Western Electric L-9 in Munich was/is an infinite baffle design. The 754B woofers are in a sealed enclosure with a front horn. There is no possibility of cancellation between front wave and back wave of speaker, so I wouldn't call it an "open baf...
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[quote]That is a bold waste of
speaker’s surface for a small result.[/quote]Yeah, but plywood is cheap and the result is audibly noticeable. Baffle extensions were recommended for all of the Altec VOT cabinets too. Make a big improvement for cheap ...
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