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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hello Romy and everyone here, Thanks again for your thoughts on the large horns. It seems best to start a new thread, as previous threads dealing with the "10-Footer" originally began as discussions of other subjects. Romy, you may want to move previ...
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hi Jd*
probably u know the site of volvotreter, with quit a nice description how to built a wood tractrix horn.
http://www.volvotreter.de/roundhorns.htm
i want to built a tractrix horn with 95cm diameter hornmouth. Have u made such a horn ...
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YL 75000 has heavy phase plug indeed , rca style (see sketch) while 1250 ( I never had one) gets a fixed metal dome equivalent to spherical piece on 75000 and rca plugs without conical shape pointing the exit of throat. Ironi...
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Once again, there is nothing specific in this post just some further thinking on the subject, as I keep discovering new idea.
A couple weeks back I was looking at a house that gave in inspiration to think about it. The house was 3 bedrooms Cal...
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Scott,thanks I got it now.......
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Yes, you right. There are some threads where I should return and finish what I started. The “middbas” section was 80% written but I abandoned it due to luck of time and a shortage of encouragement. I should certainly finish the job. I will find the d...
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Hi all
Thanks for your thoughts, Romy.
In my view the least controversial of your “THE PROBLEMS WITH HORNS” cycle. Or, to put it another way, I agree with most of it.
I'm not so critical as you to open baffles for midbass, tho,
in fact I thin...
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Hi romy, mine are the 515-G drivers. I will be x-ing over at 600hz to Vitavox S2's (2nd order, yipes!). The S2s are in 320hz LeCleach horns. I was kind of hoping for just a general reply like when you guys look at a pictu...
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Hi,Thanks for pictures, that looks interesting. You are using one driver per side for your system it looks like?R Weissman ...
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[quote user="Romy the Cat"]Sand damping it beautiful, it is well-recognized, but you do pay cost for it, in your case the cost is space. [/quote]I know that Romy… but without the massive amounts of sand, there are always some vibrations felt when I t...
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Facing similar issues, until confirmed or disproved by experimentation, the following represents my view:Situation 1):Mid-bass horns aimed generally TOWARD listener's ears: Alignment of the DIRECT OUTPUT of the horn for time arrival to listening poin...
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"Indeed for classical work I often find a slightly under damped bass response to be emotionally evocative and of benefit to the illusion of the acoustic"Have you looked at the primary cause of this issue with most SET amps? I can tell you that ...
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I spoke this morning with Yoshi and he made a phenomenal comment. He was complaining something about his bass. He uses a pair of big 15’ JBL in a box with an active second order crossover. So, when I asked him to describe what he feels is wrong Yoshi...
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Woofers with rubber surrounds tend to have boomy bass. While accordian surrounds seem to have much tighter bass and more accurate sound reproduction. So adding more then one woofer to an enclosure would make the problem 2 fold. It would be much bette...
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The Bass OPT's for my DSET have been wound. We have come back to a 1000R plate loading and into 1R the 6C33C grid clips at 9.36W and 5.8% distortion. The -0.5dB points at full power are 5.9Hz and 5kHz.A nice result really, and about where I thought...
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[quote user="Romy the Cat"]
cv wrote:
I wonder if it is the reactive components (blocking caps etc) that are to blame here, seeing as much of the problem is in the lower bass.Chris, what you said made me to think.
Loo...
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It is interesting: I am running now Zarathustra amp with my woofer towers, line-level crossed at 90Hz with fist order. Everything is very fine bass-wise, with very minute touch of dominating smoothness. To my surprise the typical upper-bass har...
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Romy,I make 6 drivers = 95.8 db/W. You get 3db / doubling of the number of drivers ie 88 + 10log10(6 drivers).That's why I'm going with a bunch of Lambda TD15S (which are sort of a cross between the Altecs cone - paper, curved, foam surroun...
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Because the smaller the bass driver, the faster it gets...right?So I wonder how Cheney expects to compete with Polk's new 4" "Ultrawoofer" or Carver's new 3" "X-tremewoofer"?I tell you, Romy, this may be a "new" design. I ca...
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I keep thinking about power and how much extra power and gain I would need in a new room, Sure, it is not difficult to raise a white flag and do for SS amplification but I so would like to stay with SET amplification for my bass channels! I am lo...
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[quote user="Paul S"]Amir, what you say and the simple way you put it is indeed a very important consideration for speaker/amp matching, and it is something that one must actually hear and cultivate in the first place. Since there is no way to emperi...
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Again, Romy, nothing short of amazing that time, energy and focus came together for you! And good to hear that you are still getting Music from old CDs. I hope it goes just as smoothly for you when you turn back to LPs.If you said anything about your...
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[quote user="Romy the Cat"] The major minor thing remains to find different lower bass. I said “minor” thing as my lower bass is not bad, in fact I do insist that it is very proper lower bass as I did set it up lately properly…..Despite that I in...
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[quote user="haralanov"]Romy, the main driver in this acoustic system has nothing to do with the funny Lowthers. It is very high class field coil speaker unit made by Oleg Rullit. The owner of the system has tried the highest class of the Feastrex li...
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[quote user="Paul S"]Noise in general is reduced and clarity and bass are improved, with no penalty.[/quote] Paul, are you sure? I have seen people told it before but I never believe them and it never happen in my experience. The common mode noises r...
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[quote user="Romy the Cat"]The appendix in the corner of my room (I think it called rotunda) is very cool thing – it is where all my equipment lives – superbly comfortable and I can’t dream for better layout of my listening room. I am not kidding. Ho...
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I guess you have listened to it but when I don't align the separate bass cabinets they fight each other and I get terrible bass....
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As I already have written before, I was looking at different bass solutions for frequencies below 110hz with my set-up. As of this weekend I have set-up a new solution and will be evaluating and fine tuning it for the coming days. The new bass sectio...
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I have to disagree with you here. Until you've heard the bass from a JBL Hartsfield, you haven't heard bass. Best bass I've heard period. I'm curious if the Vitavox is of the same caliber. ...
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I think I can imagine how a complex, sophisticated presentation can be too "unnecessarily demanding", in lieu of a better phrase, in a long run in family life circumstances. I sometimes suffer similar problems (I imagine others too).
...
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