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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="guy sergeant"] I feel very pleased for you. I was always somewhat puzzled by your descriptions of how you felt the S2 sounded, particularly between 600 and 1200 Hz. My experiences with a few different horns but always with a good quality...
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John Hasquin showed up a couple days ago and suggested that many of modern compression driver manufacturers design thier products to get the "best" publishable parameters while completely disregarding any basic horn design rules and actual sound resu...
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[quote user="guy sergeant"] Having said that I've never heard a properly working WE555 or 594 either and given the problems of getting the S2 to work well I can't imagine there are many installations using those drivers with the right sort of horns t...
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[quote user="cv"] Well, the Cogent (Steve Schell and Rich Drysdale) boys are building just such a beast: field coil magnet, (possible) permendur polepieces for >2T, Fs 70Hz, throat - dunno, but at least 3" dia, reduced compression ratio relative t...
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[quote user="i_should_coco"]I guess these would work nicely from 300Hz to ??? Can the S2 really go that low? I've heard differeing opinions....[/quote]
Pete,
How low the S2 really go? It is a little bit complicated. First of all there is an objecti...
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I made today some interesting experiment and for the first time during my “fundamentals channel saga” I get some stimulating and very result. I find a way to mount the “low frequencied S2 driver” on the speaker’s axe way above the Macondo’s tweeter. ...
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As some may know from previous posts, I have been working on horns for the Vitavox S2 as well as other drivers (I am photo-documenting the process, as it is somewhat unusual, possibly to be posted here at a later date). Last night I was able to test ...
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Well, I screw-in today the S2 with filed-coil into my horn. I decided to drive it with 2.4A. I used a regulated DC PS and did not employ my prepared for this tusk 4.2 Farad capacitor: the voltage is too high for my cap. The current gave me a ni...
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[quote user="cv"]AlloI had a theory that the bug screen was helping to damp horn modes/refelctions caused by a mismatch between the S2 internal flare and the horn flare rate. I have 340Hz flare JMLC horns, which may be expected to give less of a mism...
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I got it!
I realty have got it this time and it is exactly what I was craving for and shooting for. I converted both channels for 18db/octave on tweeter and recalibrated the whole Macondo, in a slightly different manner...
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Yes, Rulit does try to push envelop of something. He does exiting projects but I do not know how all of it manifests itself in actual results. I said that he pushes the “envelop of something” as I do not know what this “something” is. I never h...
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[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver. [/quote]This will be a bit controversial subject among the compression drivers users but it is only ...
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[quote user="oxric"] I have spent hours coming up with all sorts of weird and wonderful, but at other times too rigid systems to support the various components comprising what I modestly choose to call Le Horn (AKA Rakeshorns). I have more or les...
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Well, there are a few places that can re-charge the drivers, GPA can do it for sure but it is not practical in my view as to remove the drivers from attic horns and to ship them is more pain then to pay to GPA $20 to re-charge them. The re-chargi...
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As I wrote before I picked some Vitavox S3 driver.
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=8619
and I was expediting with them recently to use in Fundamental Chanel. My idea was that S3 might care LF knee better then S2. In past I had S3 ...
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[quote user="jessie.dazzle"] There should be no danger in running the S3s down to 500Hz; I am currently running a pair of S2s (same diaphragm as S3) down to 450Hz, 1st order, no problem.
The system is in a room that measures around 80m² with a 3m-h...
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Romy wrote :
"...do not forget also while you do your alignment experiments to listen the system from different distance. Get a reference whatever it is and then make a step back and a step forward... You might eventually found a distance from where...
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Here is the similar approach undertaken with Altec 288C to the one that I took with my Vitavox
http://chaudioroom.com/CH288287.html
Some critiques. A minor mistake in the text is that the author says that “magnetic fields generated will go down to ...
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Well, I was thinking about that “Resonating Oops” for a while. I made quite a number of experiments. I some cases I was able to get interesting results but the “Resonating Oops” is very illusive. I do know that many readers of my site have wrong perc...
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Interning that the strings and are the primary beneficiaries of the “Injection channel” effect. It would be hard to explain to people who never were not in my room what the effect is but I would try. (Yoshi you have to visit me again and what I tried...
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[quote user="cdwitmer"]I'm probably revealing my ignorance by even asking this, but I'm curious to know if a field coil ribbon tweeter could be practical. It occurs to me that if one could be made, it would be a lot safer since it wouldn't be a black...
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jessie.dazzle wrote:
What diaphragms did you finally settle for use with your S2s... Plastic or metal suspension?
Reply from Romy :...
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I was keep listening my Dutch-made SA8535 tweeter. There is a lot of deferent with this tweeter and I think it is a good time to pass my early observations about the tweeter Sound.
This driver is not a ribbon tweeter as the Stage Acompany frau...
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Yes, I do feel that letting a diaphragm to idle less (means
more loading) you can tame the code resonance, and the ringgy metal cone in particular
but it might be done in context of worsening upper transients and over-damping
the lower driver knee...
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tarted to mount the open baffle for ULF channels at my
attic. The system is fully operational,
not time aligned yet to the degree that I would like it to be but I'm going to
tell you: that Tannoy Red 10 is something that makes everything so sweet...
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Ok, did today the Red’s tweeters. Got rid of the original Tannoy’s
cable mounting plate and ran my own cable directly from twitter. Drove it with Milq’s full range channel. Used
the speaker level 2uf cap (my favorite high voltage eQube coupling cu...
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It is very uncommon, practically never happens but still very rarely it is possible to talk about sound or playback systems from a prospective of “absolute tone”. Yes, the audio people love to take about tone of their audio but in 99.999% those audio...
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[quote user="Romy the Cat"]Good, I hate to know everything! I just wrote that the poor Murat
with his neurotic audiophile itch is condemned to go brainlessly very soon over
many drivers. A few days pass and the guy have brought to his room an army ...
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I had many interesting listening experiences while I used the Water Drop’s Macondo. I would try to surmise briefly the sonic consequences of the Water Drooping. “Me” and “briefly”, would it be possible? Well, where did you see a Jewish boy who refuse...
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[quote user="RonyWeissman"] The HF sound is very quick and weighty , which can be quite nice on classical guitar for examlpe, but the tone is not clear enough, meaning for example cymbal attacks don't have enough metallic ring to them, nor enough blo...
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