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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Aging cigars changes the playing field entirely, and I couldn't agree with you more about their subtle complexities. There's a bar I frequent in London - The Lanesborough Library Bar - where they have a humidor stocked with aged cigars, some pre-war,...
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Me! Me! Me! Me! Me! Me!
Me and sub-90dB sensitive speakers and not SET amplifiers! I would rather raise money for Bush/Chaney campaign or to merry a Fidelity Investment business annalist.! However, it is what I am currently listening.
A couple wee...
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[quote user="hagtech"]Ah, think of it this way. Imagine floating the input to your ET step-ups. Don't ground it. Let the primary and phono cartridge float. This is a similar situation but far far more sensitive. It's a m...
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Romy,Regarding your first illustration:Some time ago I intentionally made two different boxes for my ScanSpeak drivers to see what will happen, because I do not believe in theories and trust only to my ears. The boxes had exactly the same internal vo...
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[quote user="jessie.dazzle"] There may be better drivers out there, but with my level of experience, I doubt my abilities to recognize them. So though it may resemble laziness on my part (remember, this is the same person that will be constructing a ...
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[quote user="cv"]Funny, I was just thinking about battery powering of amps... I know you have identified that the problem is more with the sources, but it would be interesting and quite feasible with the Melquiades and other components... wouldn...
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[quote user="el`Ol"]A $$$ solution for a bass array that comes into my mind are the sandwich cone drivers from Accuton.Monstrous neodymium magnet, underhung voice coil (for low flux modulation).Very low Fs.Relatively low QMS for use in sealed enclosu...
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Romy wrote:"...I do not know anything about your LF section. What do you use and where does it crossed?..."I have 2 ULF "boxes"; each has an 18" McCauley 6174.The enclosures are sealed and each measures 14 cubic feet. They are made from 70mm thick co...
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Anthony, it is not the subject of this thread but I am replying you since you raised a question. Is there are a lot of conspiracies about Tannoy vintage crossovers. They did many different versions and all of them well known. If somebody need I can h...
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Pretend
a driver diaphragm, any driver. From front diaphragm "sees" the horn
throat and the mass of air in the horn that diaphragm needs to
"push". This creates let call front spring. If a driver has a front
chamber than let discard it for now. ...
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In one idealistic configuration I envisaged for myself, for a situation where cost and practicality no object, the basic room shape was pentagonal, with the facets ot the pentagon curved inwards to eliminate parallel reflecting surfaces and simultane...
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Yes, the "Injection Channel" consists of a pair of Tannoy Reds, used as direct radiators, in sealed enclosures. I would not say that they overly specifically optimized. I did many optimizations equalizing them, filtering them but I never was able to ...
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[quote user="Markus"]Re-reading, I realise you stated your preference for a sealed bass array only in relation to Dreyer's bass horn, not to bass horns in general.[/quote]Markus, it is not only about the Dreyer's bass horn. It is about lower bass...
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Alex, I do not remember already the volume of those boxes, what is the deference? Thos drivers have an average sealed Qs and Fs I believe 19Hz, you might easy to circulate any volume you want. I slightly overdamped them, as usually, form where they s...
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Well, it took almost two month and much more money then I thought but I was eventually able to get very decent sound out of monitors. The SL600 sitting on my “fundamental channel’s” tripods did not do well as I told before and I was forced to s...
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Thanks, LBJ, I ma slowly getting into where I would to be in term of understanding, at least it is what I think I do. You are perfectly identified what I am shooting for: "its not a musical instrument but it won't piss me off", it is exactly what I w...
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My project to add 3 one-stages channels to Super Melquiades look like progressing (it means I will have the new 15,5:1output transformers very soon) and in context of upcoming changes and, after long consideration and some tests, I desire...
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[quote user="Romy the Cat"]This is all because you are a primitive person with very simplistic and amateurish understanding of many things. You need to learn from much more sophisticated people, of cause I mean myself. Take a look: I do not run like...
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Thanks for sharing these images Serge.I would like to learn more about the Audiotekne bass solution.What size driver is that, is it a sealed cabinet, what is the baffle,and what frequency range is demanded from this box?Ho...
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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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C, I very much agree about the benefits of spherical needle, partially on the older records and out of condition records, and this is one of the reasons why people have multiple arms on TTs. Yes, in many cases the spherical stylus “tracks better” 9mo...
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[quote user="alexd"]Hi all.We are small company, dedicated to creation of highest quality audio products. Analog and Digital. We have auditioned many music servers on the market.[/quote]Wait! Let me guess. You're gonna tell me the way it *should* be ...
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[quote user="Markus"]There's no plasma tweeter on the Cessaro. The tweeter is the TAD ET-703. The HK owner has a gold-coloured horn for the tweeter, but there's no plasma driver. I'm pretty sure the horn on the Lansche plasma tweeter is a good bit la...
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Hi Romy,[quote user="Romy the Cat"]Pete,
I do not think that it makes a sense to searched for “LF for use with Vitavox S2”. Do you think that there are good LF to use with Vitavox S2 and there are good LF to use with other drivers? I do not think so...
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I did finish today the 2-driver extension for bass towers. I did not mount them to the default location – waiting for a “friend” to come to help me to do it. As I finish it will be exactly the same configuration that I had 7 years back in Boston.
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[quote user="jp"] I assume a simple hole sealed with silicone would not suffice given the amount of pressure build up in the rear chamber? [/quote]
The pressure that builds up in right rear chamber is truly enormous.
[quote user="jessie.dazzle"]… a...
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[quote user="Romy the Cat"]Output transformer. Here is
what the thing become complicated. Of you drive ultra-low impedance with step
down transformer then your secondary turns will decrease. They primary will
have whatever they have for all case b...
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Miab, I have very limited knowledge in construction techniques, moist prevention and how all of it might affect a big horn. My very uneducated production suggests me that it is not truly a bid deal, but of cause if go this route then I certainly ...
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[quote user="Paul S"] I have been surprised that you have not already pursued the Zarathustra for your multi-driver, sealed LF. From your early descriptions of both, this seemed like a natural pairing and the most likely way to go, to keep the ...
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[quote user="be"] Instead of defining the ULF range from the reproduced instruments, it is much smarter to do it based on the first resonance frequency of the listening room, because the frequency response of a closed room has a 12dB/oct rise in ...
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