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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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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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A Netherlands company that makes loudspeaker of the color of lesbian solidarity announced their flagman model: Euphrosyne.
http://www.pinkfaun.com/
It is 101dB d'Appolito configured ported Altec 414 supplemented with a 20” horn armed with Altec com...
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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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Kerry, thank you for sharing your paper diaphragm idea. Very interesting. As I remember it, the Cogent diaphragm I saw (and listened to) at Steve and Rich's place was a flat disc of something like fiberglass, and it looked relatively heavy for the ap...
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MS2, I don't care much about compression drivers, but I have spent the past 2 1/2 years playing with direct drivers, trying to figure out what makes good sound. And no matter any notions about "scientific discoveries", the whole process has been the...
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Audiofilofine, You do make some kind of drivers? Do they use any metal in them? Well, your drivers are craps because they use metals. The reason is because pigs cannot climb atop of a peach tree. It is as simple as that. Audiofilofine, of you feel t...
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I had my visit in Munich yesterday and the Cessaro´s performance was totally different. Tonally without any compromize, so it was a pleasure to stay in the room this time :) Unfortunately very much on the muddy side. I think I start to understan...
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Well, I was thinking that there might be something of a "shock wave" created if they run too low, and the pillows might soften that up, almost as though one were trying to get the horn to behave more like a direct radiator at LF, where there is not e...
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[quote user="guy sergeant"]I feel you may be doing John Attwood a disservice here. There are two reviews of this book. The first one which you quote extensively from appears to have been written by Lynn Olson. The second, much shorter review is ...
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R,
Little suggestion should all else fail - you could have a rudimentary phase plug machined that would give you the same (or similar) compression ratio as the original but only one annular exit path. This might preserve the driver characteristics a...
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fair enough- you're absolutely right, i didn't!it's difficult to get that perspective on sonics without legitimate guideposts-- even with a lifetime of playing and recording music, it's difficult to know what the parameters of recorded sound ar...
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[quote user="cv"]I note you calimed a fondness for certain softdomes; looks like there are some newer scanspeaks that may have the tonal qualities of your favoured types but with higher sensitivity, which will match the Focal well. Eg: D2904 types at...
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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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I am glad that you mention your use of 120A. I never heard it (consciously) and I bought it juts due to advice of 3 people, one of them was the guy who sold them. I have no idea what to expect from them but I think they shall not be too bad. I asked ...
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[quote user="CO"] May i ask if you have ever played with the Le Cleach flares and how you find them?They were created to reduce reflections directly back into the horn. Only problem is they are very large because of this.... [/quote]
Nope. I never h...
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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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Robert, what I meant is following: when you will be collecting requirements for you own drivers specification and will evaluate the implementation methods then you need to have you own identity what you are trying to do. I might post a lot of differe...
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[quote user="Jorge"]I am not using the S2 driver, I have been going the long way testing a bunch of different compression drivers. Right now I am testing the TAD 2001, I can say leaving it full range going all the way up, it develops a certain ...
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[quote user="Macman"]Just realised that I had dual highpass filters on the TH, which more or less cut off frequencies below 50Hz entirely. A lot better now, still much to be made of course.[/quote]
This is very normal. People get the “building...
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Well, people know my unhealthy love to “invent” the things and to grant to the “inventions” stupid naming conventions. Guilty but do not care. Here is another bright idea – the DPDP consept.
Audio people spend time socializing online, patting ...
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I chose the EdgarHorns for fairly simple reasons. I have listened to them and I loved the way they sound. They are not the perfect loudspeaker, but they make much truer music than what I have now. Also, the price I paid is less than...
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Hi Romy, I recently heard the smallest Cessaro and while I felt that the bass was not adequate for long term satisfaction it was also not a total disaster. From the midbass on up; however, the speaker is simply superb and one of the very best h...
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de Charlus, I still do not think that there is such a thing as “ the only a theoretical starting point”. Perhaps you were inspired by Jeffrey’s recommendation that has more experience in it then you. Still, the compression drivers loaded into giv...
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I spent some time with my back chamber, trying to drive the driver resonance heighted. I built a sealed sarcophagus as a back chamber (if somebody are interested I can post a picture) approximately 1.5 gallons but it moved Fs for 700Hz. Then I began...
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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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I think first, it needs clarifying that rich is only planning to use the driver from 50 to 250.. it will surely play, and play well, up into the k's.. I'd be very surprised if it didn't play all the way up to the 4kHz of most phenolics.. as to t...
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[quote user="cv"] Or build your own outer magnetic circuit as you are saying, retaining the S2 diaphragm, phase plug, pole pieces and throat.... [/quote]
If you read the thread form beginning then you will see that it was my original ultimate intent...
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[quote user="Romy the
Cat"] If I defeat the hardness by dropping of the output impedance then I
would understand what is going on but I minimize the hardness by raising the
output impedance!!! This is very interesting and I need to think about it ...
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"another big selling
point to me was the 505 being a low resonance compression driver..
there just aren't many drivers with a resonance in the 80 to 100 Hz
range like this driver... I have just begun my playing, but am already
quite taken by it.....
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[quote user="KOTriode"] On dynamic, the 6C33C tube showed its ability to go deep in the bass on Ray Brown trio recording of Soular Energy which is excellent for a 15W SE , the 845 amp can do better, but not by much, but probably because of its 25W ou...
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