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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="unicon"] If I were you I would set up all things so that when the mid bass is in his place i can reconfigure the baffle tightness by using a huge DIY made screwdriver from the opening mouth...or wherever it can be reachable
then ...
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[quote user="msaudio"]I have built quite a few bass horns and found any thing over 1/2 inch ply wood reinforced is all you need, in front of your baffle. If you had ever built a few on your own and had the right equipment to test you would realiz...
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Thanks guys for all the suggestions.Klaus wrote :"...there are a lot of questions, but if one thinks to much, then he will end up like this lynn olson, pages and pages of endless talk and no horns..."Very true, I need to get cracking, but I'm&nb...
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Yes, Paul, I know this company. It is always slightly annoyed me that it is Chinese company as Chinese manufactures very rarely, if ever, do any audio products with extreme or demanding performing characteristics. They rather do inexpensive mass-mark...
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It is complicated. Any tweeter is different and the RAAL’s “Water Drop” tweeter is more different then others. Almond any other tweeters that I heard this tweeter has something absolutely unique- it has no annoying upper MF nose. When I asked Alex to...
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Ronnie,
Very nice, though I do not know where you would like me to move the thread. (It looks like it’s OK where it is). There are some comments that I might to pass.
You decided to go for a large MF driver. This is fine if you like it but I ...
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[quote user="jessie.dazzle"] Assuming one will not get anything under 50Hz (usable) from a 40Hz horn, I interpret the mission of lower-bass channels in the context of a horn system as follows….[/quote]
Hm, this is a bit tricky with bass. A pla...
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[quote user="Lbjefferies7"] If you are really interested in moronizing your room, GTT Audio & Video are selling some Kharma Class-D's on audiogon.http://www.audiogon.com/cgi-bin/cls.pl?ddampstran&1237509628&demo&3&4&Looks like...
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[quote user="Lbjefferies7"] Now, as for your drawing of the exaggerated port flaires, it is excessive. A port is not a horn and, from an engineering standpoint, I treat them very differently. A port is a resonator. [/quote]
Oh, sur...
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Principally there are many many theories and papers about ports and how they must be calculated/constructed/placed/used. But none of these theories explains the relation of port design to the SOUND. That’s the reason why so many engineers get s...
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Robert, G10 has no special damping properties that I detected. In fact it is some kind of plastic feeling material. It is “filament glass cloth material with an epoxy resin binder”.
http://www.polymerplastics.com/composite_g10.shtml
I do not fine i...
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My contractors who built for me the 40Hz midbass horn in my former
listening room is doing currently my infinite baffle manifold. The deals was changed,
it is not what depicted above and there is no compression chamber in there anymore.
It make wi...
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Collin, there is one more tip for you how you might bult a very inexpensive but very good performing MF channel, thought it might be slightly time-consuming…
It is not well-know but some, primary Japanese companies like JVC, Yamaha, Hitachi, Denon ...
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[quote user="be"] Instead of defining the ULF range from the reproduced instruments, it is much smarter to do it based on the first resonance frequency of the listening room, because the frequency response of a closed room has a 12dB/oct rise in ...
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Hi Romy,Always nice to correspond with you, thanks for your comments.I used the term 'sophisticated' literally: so - phis - ti - cat - ed Adjective: 1. ( of a machine, system, or technique ) Developed to a high degree of complexity.As do you, I prefe...
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Yeah, they are my own experiments so I am the only one that need to care. They are based on your earlier work, so I felt like writing and tell you what I am doing with your ideas. The drivers we use may be superior or inferior. As long as mine are t...
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First off, let me say Hello to all fellow Audiophiles!
I'm an audio-obsessed 29 year old currently living in the United States (Minnesota), and have spent years perfecting HIFI systems in vehicles, and over...
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Hm, it looks like I misread
you post initially, now I got it. What type of crossover you use at 110Hz? You know that you will eventually will end
up 3 more bass sections per side, juts give yourself time… I personally never
had success with bass s...
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After fantasizing about an infinite baffle, I calculated what kind of structure I'd have to build (in lieu of an attic/crawlspace) and this is an obvious no-go. A more practical idea is a sealed box with two parallel ScanSpeaks per channel. This ...
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Ended, holy cow!!!! I just install the Vitavox 15” into the Remedies
bass, internally, in the way how it was originally designed, and it sound just spectacular.
It is possible that at LF the rim at the baffle is not as auditable. It is possible
th...
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Yes, I was contemplating this idea and the back panel is
removable, but I will not do it. There is no need to do it as it must be just
another speaker made. The next version will be with external mount and revered bevel
back to center of the speak...
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Thank you very much Romy for your attempt on comparing the two. Although it is obviously just a sketch, I enjoyed it and actually my curiosity about Dannoy/SIT has even grown. Might be you've hit one of a "singular point" of audio. You mentioned...
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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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The “best midrange comes from compression drivers”. I see somebody like Haralanov would be very much opposed to this comment. The irony is that I would be opposed as well to this comment. I would say that the best midrange at over 107dB sensitiv...
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[quote user="jweiss"] When we spoke at CES, you mentioned that your experience with field coil drivers only extended to cone types. So I assume that you have never heard any field coil compression drivers. That would include the WE 555, 594, RCA 1428...
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I’ve been harassing my horn-maker for quite a while with an idea to go for straight, no-cheating 45-50Hx horn. We discussed it countless times and sometime probably we would go for this, and particularly if I figure out how to resolve the delays prob...
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Please, have some fun. First download the white paper to see what the patent artists came up with. It is essentially correct but not to scale.
Note that it requires 18 offset sets of blocks around the periphery of a cone. About two degrees of space ...
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Fllowing my experiments with Injection Channel
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=4473
I have discovered recently that I was a greedy fool who should know better.
The new Injection Channel does OK as a independent single channel bu...
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[quote user="jessie.dazzle"]I feel a driver needs to be somewhat hard-mounted to the enclosure. Cork gives the right sort of balance between hard-mounting and floating, while still sealing, however it would be a pain to cut that many gaskets from cor...
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Well, the points you bring up are valid but as anything else it all highlight problems with people not with equipment. I am not sure that I am glad with my decisiveness and sanity in MiniMe projects. I was trying to rationalize the MiniMe idea in the...
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