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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Here I would like to have a thread dedicated to a hypothetical ultimate MF compression driver. Use the existing, know to you compression drives as references. Any thoughts? The Cat...
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[quote user="Jorge"]One more thing about the JBL 375, I did play around with them enough, I aligned the diaphragms several times untill they sounded their best and were very listenable, This was some time ago now, I didnt turn my horns then, so I tr...
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Roman,I don't think I've ever read your explanation why not 2482? We are all on a holy grail path to find a (somehow) available good compression driver that can go down to almost 200hz in domestic conditions and there are not many better candidates. ...
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Of course I am not really talking about Rullit but only holding up his implimentations against his stated aims. This is certainly no special case, since most smart people learn the talk and the "look" long before they learn practicum, if they ever d...
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According to my London contact the British miniatures Fane Acoustic is gone to dark. The remaining inventory was scraped by Eminence and the Fane is no more.
Over the years Fane made some interning things: guitar cone drivers, compression drivers, r...
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I just came back from Stereophile Show in NYC. A couple of observations. Haniwa's FPIC-100 DSP seems to be nothing but a typical DSP with digital crossover/equalizer/delay with auto feedback through a microphone set at the liste...
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Romy, Our bass driver has a 12v field coil motor, it developes just over 20 kilogauss flux density using a low carbon steel pole piece. The exit diameter is 4 inches at the moment. The diaphragm is 6 inches in diameter and mad...
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Angelo,Although the idea might be looks like an “elegant” at a hi-fi shows but unfortunately it has a lot of pitfalls, the terminal pitfalls for my point of view. This is only my opinion but still:1) LF channel- the bassmaxx. I never had or hear...
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I was running the F120A for a whole day and now I can’t stress more than I did it in the subject of this post this - driver is ultimate nightmare. In full range it was just too brutal to list it and it sounded sometimes like mechanically distorted. S...
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I never heard it or about it but here is data:
http://www.meyersound.com/pdf/products/studio_series/x-10_ds.pdf
http://www.meyersound.com/news/press/sos_x10_800.htm
It looks like it has CB horn and aluminum cone in pl...
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The $3.6K per pair, if they are good divers - the 2440 level, is a tolerable price for custom-made drivers. I presume that he does not include and PS into the price. My major question would not be about the drivers – the filed-coils are very simple d...
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I understand your position on compression and not wanting to screw up the tone. The Community M4 driver is the perfect example of how NOT to build a 4” exit compression driver. First, the cone/dome material is garbage. Neither the sandwiched aluminum...
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I do not know what is meant by “close bottom” or “open bottomless”-- please expound?I do not know of importance of enemys death to this topic. There is a long thread in the subwoofer section of "devil audio" about tapped horns. John mentioned gettin...
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Stefano, I do not exactly follow what you tried to say but it is OK. We do need to understand that we do when we are talking about Goto or any other driver manufactures. It is absolutely not know what the hell sound comes in your drivers. I hardly be...
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[quote user="Vasyachkin"]
compression drivers are the way to go as far as i am concerned but obviously performance depends on the horn lens.
my beef with ET-703 is that i don't understand its horn or whatever it is. if not an explana...
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Ok that was a long road to "stick with vertical alignment, and stay away from BMS." Back to compression drivers, and implementation...
If I were in your shoe I would take make as you wish but wish a slight correction:
65Hz Tractrix fro...
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Thanks for your quick reply. I have been to assistance audio`s website, however was unable to find such model, but is possible they just disassembled the tweeter or whatever.This is really interesting news, about their violin reproduction, me too wou...
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[quote user="amdismal"]The crossovers were fourth order, which is what I use on my horns. Second order, I have found, can give a better blending, but reduced the delicacy and transparency in my system. But it's very complicated, and further exacerb...
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[quote user="be"]They mention an intricate back chamber for the high frequency unit, maybe thats the primary function of the tube, apart from positioning the unit relative to the rest.[/quote]
I did not read any their descriptions and I do not know ...
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[quote user="Paul S"]Romy, no doubt the following derives wholly from my ignorance on the subject, but I have not been able to get away from a sense of "variable compression" with any compression horns I have tried. By "variable compression" I ...
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[quote user="ulf"]One advantage of the use of a phase plug in a midbass horn is that it will beam less at higher frequenzies than a horn without phase plug. If the phase plug is designed for the specific horn and driver it will help "steer" the HF.
...
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Hi all
The WE 555 is IMHO an interesting driver, made for a very spesific use,
which is driving a "full-range" horn in the theatre.
As we all know, the wide range system with Jensen 18"woofers and Bostwick tweeter came later, at first the 555 an...
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[quote user="slowmotion"]Unfortunately that will never happen...... [/quote]Yes, Jan. A agree that this would never happen, and particularly looking at the direction where the industry heading. It “might” take place among the direct radiators – still...
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Hi Romy, I've been following your progress, it seems that you are drawing some very similar conclusions to what Steve Schell and I have learned. The bass horn has to be the proper size in order to work well, we are having ext...
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Hello Dan,Love how you pass that cable through the port, I used to do that too...long time ago.Why are you crossing your 250hz horn all the way up to 1 khz?The 2445 should be able to go much lower. Have you measured the response you are getting from...
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Crossing the woofer so high is not really a fair comparison. The compression drivers needed to be in a bigger horn, and possibly be replaced with a driver that does 100Hz for certain. ...
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Oh, yes this is the whole idea of Remedies, it is not only a Red combination but it is an assembly with midbass channel which would make it a conventional box loudspeaker. You see, with all interesting things about Tannoy Red the woofer part of t...
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[quote user="guy sergeant"] There's alot to learn putting a new system into an unfamiliar room. [/quote] …and I would add: the unfamiliar drivers with unfamiliar amplifiers. It is trippy how SET amps could be loaded with different drivers and produce...
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[quote user="Chirag"] Still, I do miss the dynamic lower MF of the 15" woofer...[/quote] Well, this is it. I really do not know what it is and I (and you) call it “dynamics” but it might be something else that juts appears like dynamics… I did not pl...
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agh..well.. i can see that you'd never be over for a beer and listen session, romy! not that i wouldn't invite a curmudgeon such as yourself.. but my own system might not make the cut!i just finished off a little 2 way bms/altec system (and i d...
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