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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="haralanov"] The horns, even the fast opening ones are physically too deep for their mouth’s size, and this leads to a psychoacoustic illusion that the sound images are arrested at the bottom of the horn and from there they scream they wa...
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Romy,
I have somewhat different possibilities than you are seeing. My system is physically higher than most because my listening position is at standing height or sitting in a high stool. I have used this litening height for a few years and gr...
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[quote user="haralanov"] My driver has not even a single trace of tizzing top end. Tizzines is intrinsic feature of ribbon drivers (including RAAL), not of well designed paper drivers. Actually, the heart of my acoustic system is ultra high perf...
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First off, I will point out that neither Silbatone nor I claim or agree that the Aporia horn is a point source, because clearly it is not. The sound comes from two "areas" but even that is not a particularly useful notion.Although some do make that c...
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Wow! I did not realized that almost 4 months have passed since I wrote last.
Quite a few things have happened the last 4 months that I have played with the 6C33Camp/preamp combo. I have tried at least 3 different vendors on the Ulyanovsk type, the ...
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[quote user="Romy the Cat"]
"...Jessie, I pulled posts from Macondo Axioms thread and encapsulated them onto a new thread dedicated explicitly to your project. I hope you do not mind..."No problem... I was actually starting to feel a bit apprehensi...
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Romy, if you have some spare diaphragm/VC assemblies for your S2 drivers, do the experiment I mentioned above (remove the outer layer of the VC) and we will talk about the inductance in terms of sound after you hear the results with your own ears... ...
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Since no driver is actually full range, driver selection is partly conditioned by how well it plays with the other drivers it will be used with, and - very certainly - the crossovers it will be used with, also baffle shape(s) and size(s), amps(s), an...
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That "curl" beyond 350mm in your diagram is what the LeCleach profile is all about...drop it and it is not a LeCleach anymore (it is more or less Tractrix) and the benefits of that profile to do with the horns lower range are lost. Besides, a 1m dia...
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Maybe the upper midrange horn became like a paper cone speaker. Best sound I ever made, and it looks like this. It had the same ring to it as the magical SABA fullrange speakers - made of paper. But below 500Hz, I must use solid wood. The Fanes are t...
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Coops,there were more than a hundred rooms at that show (including the cabins of the small manufacturers in the ground floor) and I had no other chance than giving many of them just seconds, so I only stayed longer when I liked the sound after these ...
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Well, first of all the phrase “rated flat to 300HZ” is kind of ambiguous. There is no such a thing as “rating” - they write whatever they wanted. Second: yes, you understand me correctly, I would prefer to have lot of room at bottom and I feel that i...
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[quote user="Romy the Cat"]The re-charged cap works fine but changing the cap polarity by re-recharging is while it handles the signal is not a very good idea in my view. All that dialectic in the cap needs to be re-polarized – it sound too unattract...
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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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[quote user="dazzdax"]Romy, are you sure the unborn fetus is exposed to sounds in the 200-400 Hz range? I think it's more of 30-200 Hz (conducted sounds of mother's heartbeat and footsteps). I think babies are also sensitive to these range of sound: ...
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Nope, sorry, it does not make any sense for me. The use of Rowland amp I guess is fine if it being use for testing of the filters. Still if you use high-pass for your midrange horn then what resistor does in your RC filter? A first order filter, rega...
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[quote user="Romy the Cat"] Try to drop the Altec in 400Hz horn down to 1000 Hz -700Hz and arm your Oris with a MD driver with a good lover midrange driver (B&C of whatever you use) You will be able to go away with 4 channels… You have a lot of n...
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I believe that those "allien sounds" are an enhancement of the frequencies comprised in what is called the singer's formant, which is the area of the third formant when opera singers sing vowels. That area is in the range of 3.5 to 5.5 KHz and is a s...
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Or is the answer very simple, in terms that some people just like tweeters with metal character? I have not heard the Supravox, but it has the usual breakup above the audio band, even a bit stronger than other metal domes, CSD from 4kHz up is not slo...
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Thanks to our friend Ann we get to sit about 8 feet behind the conductor in the second row. The oboe, and the horns maybe even more, were amazingly haunting in the letter scene. It was of course sung in russian, and the translation was qu...
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There is a Restaurant at the border of the Universe. Well, it is not really a Restaurant, it is awful, stinky and oily hut where you can get only one meal whatever they call lunch with dark, glibber Peppermint Sauce. Always the same. Day for Day. And...
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I think DP-777 sounds best when i turn off it's Jitter correction and i use bit Perfect I mode in 16bit 44.1khz mode.I think AMR DP-777 is very very good DAC but in my idea it is a-little bold sounding if i criticize tone.It sounds clear , very clear...
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In regular off the shelf hi-fi system , be it a total lack of LF in your speakers or the "pinch" of dome tweeters or the midrange mud. Romy like all of us throws money on the problem and he usually chooses well regarded and expensive solutions. The...
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n-set, I think the precisions of calibrations that are trying to accomplish is absolutely irrelevant and in a way self-serving. Individual cartridges have huge frequency deviation and the way how individual LPs were cut has huge frequency deviations....
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Romy:I was not aware that manufacturers of multidriver system let you attenuate individual drivers. I guess if you multi-amp, then you have control at that level. I have never encountered such a system so I cannot say, but if it is an option, then ye...
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Hi Romy,
Well firstly on those, the tweeter is not offset to one side - it appears to be time aligned directly behind the midrange horn and upper bass unit. Secondly, that's a JBL 2405....
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Besides hornresp modeling, is there things to think about when starting design and build of midbass channel from scratch? The range I need is 60 to 300 hz. It will be used with 6db/octave crossover. It will be located under my midrange horn -- the mo...
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Why dont you use your midrange horn with the JBL from 600hz to 4800hz? I think it would have a fairly flat and good response and tt wont be beaming. It works with the tractrix 1000, I have done it before. I then tried my Radian 475be with JMLC1400 fr...
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The topic is absolutely idiotic but it is what it is. For the last week I was trying alternative power cords for my PP3000. Not that I was looking for some kind of different sound but I was trying a heavy shielded power cord with 30A power receptacle...
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I would not call them “bad”. They use very different magnets and meant to be used with higher power (with all negative consequences). You see the ceramic magnets are more or less OK for LF application but when a driver goes up and hits upper midrange...
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