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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="jessie.dazzle"] A technical understanding is necessary and I am always trying to learn more... [/quote]Jessie, you might at this point have worries/interests about technicalities of horns operation or a desire to find theoretical justifi...
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[quote user="anthony"]I plan to
build a fullrange Melquiades for a friend and then if that works out the DSET 6
or 7 channel version for myself. [/quote]
That is very good approach in my view. The
problem is in this approach that you have t...
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Hi Romy and thanks a lot for the always interesting topics and discussions going on... I'm quite new to DPoLS and consider the approach of "obtaining sound in a room" more than "speakers positioning" - too often to WAF fullfillment and aesthetics, th...
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Alas, no time for anything at the moment, the listening valuation must await construction of the amps (and speakers...)Also, it is a very custom application - it is designed to drive an array of ribbon tweeters. Normally these have matching transform...
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...you should do what they say
...haha...yes, I would at least experiment with sub 20Hz with those spare drivers. I could be in the same position myself if I build my array 8 drivers tall but only need let's say 6 a si...
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Yes, the "Injection Channel" consists of a pair of Tannoy Reds, used as direct radiators, in sealed enclosures. I would not say that they overly specifically optimized. I did many optimizations equalizing them, filtering them but I never was able to ...
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[quote user="Dominic"]I'd put your sub horns above your head. There are some big issues with that but you save a lot on concrete engineering, and assuming space remains in future you could apply what you learned from the overhead wood horns to a more...
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I was sitting in the pub a few years ago and overheard a conversation between two audio engineers. They had been drinking for a few hours and had reached the point of grand challenges & wagers."I can assemble a music reproduction&n...
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[quote user="haralanov"] Some time ago I also thought my upper bass channel is flawlessly integrated, but when I added another, symmetrically arranged UB driver (over my WR driver), I quickly understood the new configuration is MUCH more expressive a...
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[quote user="AOK_Farmer"][/quote] Steve, you know me. If it were up to me and I would need to convert you room into my room ten I would starts with divorce, as anything following has little compliance with married status.
Then I would add a fe...
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If you are interested in “better” BSO recordings then here is a wonderful site that that list BSO recordings. The wonderful about this site that it has the catalog of the Transcription Trust’s broadcasts as well as the know “live” off-the-air r...
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Movingcoilguy,
sorry I know nothing about the Wharfedale drivers, speakers, nether about the Goodman cabinets. Mau-designed boxes are also very much not my area of expertise. In fact, if you read me than you know that I have a strong attitude again...
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I do not know what the Fs of the drivers that will be using. I did not measure them yet. I have one of them in ¼ cub feet box with a port making 65Hz and two of them in 1/2 cub feet box making 38Hz. If I found more of the them then will be unit...
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[quote user="RonyWeissman"] It will drive either my Tannoy Gold's full-range, or my 3-way system (Altec 515/Vitavox S2/EV T-350 or JBL 2450). I could also use it just to drive the Altec 515 and use my current 300B to drive the MF/HF of my...
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Oops, I almost forgot the size of 14”. This is kind of off the wall size but still there was two exceptional drivers in this size that I met.
The first is JBL 1400ND. The 1400ND was initially used in JBL K2 system. It had underhung voice coil, neody...
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Well, jessie, this "home move" turned to be a bigger discovery of myself in many ways then I thought. I am 42 and I lived all my live in city, I never had any usable backyard, garden or even plants. The only green things I ever have seen were ins...
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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"]I will be laughing my ass off when I visit the GoodSoundClub website and read about a certain Cat who was finally motivated into tuning the ports on the Mini's specifically to "adjust" Macondo's sound! I am reminded of...
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There were plenty it of them made: Techniques 9500, Excusive 2301, Iwatas, JBL 2350 and JBL 2345, Vitavox (narrow) and few others … They kind of very strange horns and I always was suspicions about them. Though my suspicions are purely theoretical: a...
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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="CO"]But Romy, you also have the different channels in a curved array ? Whats the difference I know your's are time aligned but the Utopias must be as well.[/quote]
Collin, you are correct the Macondo and Utopia implement the same curved...
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[quote user="Romy the Cat"]Still, I feel that methodologically it is not right
way to build a playback. [/quote]No disagreement from me on this point. This is all just a thought bubble for now. Even if I wanted to press go on this project based ...
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[quote user="MochaMike"]A stereo three way horn system with a dual concentric 15" woofers backloaded to 50 cycles and front loaded with a short round tractrix horn 200-800 cycles handed off to the concentric 2" com...
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[quote user="Gargoyle"]My guess is was referring to the pressure levels at the surface of the woofer(s) compared to that of a horn. The sound pressure of a direct radiator has to be much high to achieve a certain SPL at the same distance of a lower p...
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[quote user="Serge"] It's silly because the minuses outweight the pluses. In order to suspend the heavy disc constant magnetic field should be strong. This field will easily travel through the platter, since the platter is by definition non-magne...
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James, you said that “Romy seems sure that Line arrays will only work properly when used on the long dimension of the room”, still you do not defined what it “only work properly”. Wherever you put the woofers they will work – the question would...
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What greatly surprises me is that fact that all playback software sound very different. I wonder if the playback software just read the WAV file and rout the stream to sound card devise then why there is such a huge difference between the playback so...
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I have absolutely no assumption how those cables sound but the write up about them is absolutely idiotic.
http://www.bluebirdmusic.com/Van%20den%20Hul%203T%20Cables.htm
The phrases like “fewer than two .80mm solid core conductors”...
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Last couple month when I rebooted my DAW it has difficult time to start up; it looks like motherboard is going and bias sometime during boot does not see hardware. Usually with 30 min and 10-60 automatic recursive attempts the machine boots and t...
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...I think it has something to do with a small obsessive part of my personality, but as I have spent more and more time on this project I have wanted to do a better job as far as quality of workmanship and design and aesthetics are ...
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