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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Scott,
I do not particularly like many of the ideas that you presented in here and, in my view, some of your movements you are planning are faulty. Your dissatisfaction of the Edgarhorns upper-bass is too wide-ranging and not well-interpreted ...
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I have 2nd order crossover both on the upper knee of the ob bass section and on the lower knee of the midbass section. My measurements show phase response and the summed spl is as good as it can get. Have you tried the direct servo technology or do y...
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Romy wrote:"...The material itself – what to use. I am wide open from any type of wood to synthetic panels (like cement panels). Perhaps it might be a combination of organic and synthetic layers..."I realize you won't be doing the work yourself, but ...
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[quote user="jessie.dazzle"]Romy wrote:"...I think the key factor would be the degree to which the driver is able to decimate the LF pitches..."Pitch: The property of sound that varies with variation in the frequency of vibration.... I decided to loo...
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[quote user="ayebee"]If you look at the original Bionor drawings (you can find them at klangfilm.free.fr) you see that the "bass" horn is actually made out of two sections, the outer is curved, the inner is conical and expand both horizontally and la...
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I guess I have found a more or less usable new configuration for ULF channel. It is 28Hz, second order, with slightly raised ULF on the transition slope. It sounds quite good. Well, I am not supposed to say this. It doesn’t sound good but it sound pr...
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[quote user="Romy the Cat"]buy naltrexone online cheap buy naltrexone from trusted pharmacywhere can i buy duloxetine buy duloxetine 60 mg goI know quite a few installations when CEC-TL0 entered a well performing setup and literally destroyed it. T...
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[quote user="Brian Clark"]What you have there Romy is essentially the cartridge Ortofon introduced in 1948, the first production moving coil cartridge. The motor is the same, just the "suspension" material changed from india rubber to a modern elasto...
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Thanks for all the suggestions. As it happens, there were no exhibitors at the Flemings Hotel this year. But I did pop into the Stax stall before listening to anything else.In general, I was pretty disappointed with what I heard. Most of the ‘convent...
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[quote user="steverino"]I agree that the published curves don't look bizarre for a box speaker. [/quote] Hmmm, I would like to note that my reference to "given topology" did not imply the "box speaker". Even a multichannel box speaker might have opt...
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Romy wrote :"...do not forget that if you made the dramatic-enough angling then in order to preserve methodological purity of experiment you need to attenuate slightly the angled horn and it will most likely output more dBs to a listener located on a...
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[quote user="Merlin"]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.[/quote]I do not know which driver the Living Voce us...
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Somehow I massacered the formatting of the last reply. The past days I was listening to the speakers in every imaginable configuration. Sometimes I based my changes on "accepted theory" of crossovers and math, other times I just made...
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The following link will take you to images showing my construction method for small to medium-sized horns (click on the images... to view the explanations) : http://s172.photobucket.com/albums/w3/jessie-dazzle/400Hz%20Tractrix%20Horn/ Since these are...
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[quote user="skushino"] • total horn length (incl. back chamber) shall not exceed 1,00m • the horn shall have conical approximation of a hyperbolic flare contur with m=0.6 • the horn shall have a 5/16 mouth size of a free space horn •&...
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Herman, I am glad that you feel better about sound from your midbass horns. I do not know what damage digital amps incur but even your experience of hating the sound of those horns to falling in love with them just after changing the amp do suggests ...
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[quote user="Romy the Cat"]As I said above your you "experienced today with GOTO" is just your transitional
feeling and you will change this feeling many times. To accommodate a pair of 42Hz
horn in a system is a year-long project otherwise you ge...
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It is hard to get used to the idea of 1 or 3 LF channels supporting a "stereo" hi-fi. But the way it winds up working is that the "wrong number" of channels, or sources in the "wrong spots" can make things sound worse, because of cancellation an...
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[quote user="jessie.dazzle"]7) Location of power amps : Yes, the power amps sit within the frame, on their own sliding support between the Upper-Bass and Upper-Mid horns. For the moment I am using a pair of ML2s from 60Hz and above. (below 60Hz I use...
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The Delta Pro-8B looks like a very fine driver, in fact on the paper it is even better then Fane (with exception of sensitivity and inductance) The problem is that no one knows how this driver will sound until it is loaded into a specific horn, no o...
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I still remember proposed solution for symetrical TAD 1201 horn loaded midbass sections. Was it to free listener from sweet spot low seat position ? I could imagine that that midbass horn performing up to 1000Hz sitting low on the floor would impair&...
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This weekend wife told me that I should not do nothing else
but to fix my playback and this was exactly what I wanted to do. Yesterday I took
good 14 hours to play with it, moving boxes, trying to find a good
configuration, making measurements, th...
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Zanon, I do not mean DEQ, but that is one way to do it. D[SET] is another way; and it can be done in real time, by a couple of means.If you actually settle on the mid-field monitor approach, you will want that sort of speakers installed before you g...
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Robert, Agreed... many people rave about the FE126E in just about anything... yet, I find them irritating (upper midrange shout) before 1-watt sets in. The F120A (in a simple ported enclosure) is a completely different sounding driver. Sti...
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Romy wrote : "...The horns that you made are elegant and graceful but painted in glossy black with that very rough structure I feel they are less attractive. The texture surface is good but I think that the sophistication of the epoxy-sand mix i...
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[quote user="Dresden"]I'm a new reader of your website and one subject which interests me a lot is that of upper bass horns.
As you have noted time and again (with which I agree almost completely, after reading a lot of 'research' [many claiming to ...
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I mean,
does anyone really expect to straight away come up with a "horn
profile" via math (or voodoo) and then just turn or cast it, bolt on
the driver and, voila?If we talking about upper-bass horn I think yes, via match.I reade...
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[quote user="RonyWeissman"] I have the 515-Gs If I remember correctly, and I am trying to find suggestions on what is proper horn-loaded cabinet still. And I agree my tannoy golds so far have worked best with early 70's mcintosh 22...
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IME (i.e. some pm's one dx), the Ex-4 sounds the most civilised -- and this, only up to ~10kHz or 1-2kHz lower.It doesn't sound bad in a tractrix, unlike Paul S' experience with a dx4.A horn is also useful to provide some extra spl (106 spl at 1+m wi...
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I wish I could pin-point the frequencies and explain the effect better. I'll do my best.I want to cover my ears when a Pavarotti sings certain higher notes or some notes when Caballet sings pretty "comfortably".It's like bad PA horns or horrible acou...
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