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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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One of the most interesting outcomes of the Milq conversion into 6 channels is the impact it had to it MF channel. The tweeter is a separate subject, I still work on it, I know how it will be done but I did not hear the final result. I would li...
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Sometimes when the harmonic bloom is diminished, especially upper bass and lower MF, I would describe the sound much as I hear from you now. I have 20 minutes at the most worth of patience for this, then I am out of my seat.Paul S...
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Yes, listening to orchestral music in bed seems all wrong, indecent almost, hence my saying chamber music at most. So what matters here most is tone, and then primarily MF and upper bass. So the ambition is low, and I am after a simple solution prior...
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Romy,
Sorry for taking so long to get back to you… (this being the summer time in a Latin country, I still have no internet connection at the new place).
Quote from Romy “If your lower bass channels run from 40Hz and down then the PS, size of the c...
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Hi miab, my room is approx. 6x5x4m, so although quite small by North American standards (not UK!), the ceiling is higher than that of most modern houses. This seems to play a big part in the LF performance of any speakers in this room. I currently ha...
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If I succeed to make my midbass horn at attic then I will face another problem that I do not know how to address at this point. The horns will be powered from Melquiades bass channels – it means it will use a good 70 feet speaker cable. If I go with ...
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Since you are now an "insider" and saw these speakers in vivo. What is the mid-bass horn (as Romy notes) & that small upper mid. Anything else?You know it's unlikely that many (any?) of us will make to Munich Hi-End......
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[quote user="jessie.dazzle"] Back when Fane were still in business, I ordered a pair in 16O (I don't know if there is a theoretical best choice between the two for horn loading... Any thoughts ? However, the 8O model will require a smaller coil in th...
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Had a wonderful visit with my Japanese friend. But now she's flying West over the Pacific, and I wanted to add my experience to the TH discussion.The main benefit of the TH is the relatively small mouth compared with a traditional horn. That's all....
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Dear All,I wish to commence gathering the components and finding the craftsmen necessary for my DIY speaker project, but wished to bring my proposal before this forum in order to establish whether it's intrinsically worthy, and whether any simple imp...
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The latest corrector does everything better then SU2-834PT except one, very critical thing without which I can’t not fully devote my hart to it. Without doing into the detail I juts name that it has to do with certain aspects of upper bass reproducti...
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However, if you have a change to listen the properly played Casals’ recordings from 20-30 on 78s then you might be very surprised with the quality of upper bass on these recordings. The Cat ...
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Hello Romy,The music links don't work for me. They're pointing at http://localhost/...?I'd love to hear some music.Been up all night stirring up the second upper bass horn. Halfway done. =)/Ronnie...
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I was spinning records with my new Jubilee. Playing with setting here and there… The Jubilee it looks like not too fuzzy. The 2.2-2.3g of VTF, the VTA is slightly back and the Jubilee it is not too picky like other cartridges. It used with a re...
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Okay, here's a graph that shows theoretically what will happen when the volume is doubled and a few other circumstances. It should give you an idea of what's going on. It is important to note that when the Vb is doubled, th...
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Bill, when you were at my place I use two PP2000 running together as at that time I did not discover the effect. I was running my MF at -2dB and my tweeter at -1.5dB. As now I use one unit and I return back my MF and HF channels to the level as they ...
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[quote user="CO"] I dont need flat to 20K but dropping after 10K necesetates a tweeter. [/quote]
And there is nothing wrong with it. No one 500Hz driver that said is doing to 20K in reality does it. In fact if a driver goes to 20K then the place for...
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Thanks, Greg. I will consider it. Perhaps I should even model on my upper bass horn and see what I might get out of it. The Cat...
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[quote user="Paul S"]I will eventually get another pair of ML2s to slave the bass/save the upper registers, because, as we all know by now, dedication rules. [/quote]
It wouldn’t be a DSET but rather just a simple bi-amplification. Bi-amplific...
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To be clear, I did not see the ScanSpeak arrays as more than mid-bass possibilities, at least over the long haul. However, only you know the room, so really just tossing it out there with respect to mid-bass power capabilities of those arrays. With...
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[quote user="anthony"]This configuration should give somewhere around 109dB @ 20Hz from 15w in room with cone movement of about +-3.5mm. That is still low excursion, and they are excellent drivers. [/quote]Well, in this case, I also have to try th...
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Romy,
It's good to have all this info in one post.
Regarding N° 5 :
"5) Horns shell have a sufficient mass properly projected to a given channel’s LF boundary and the horn’s mass should be properly distributed within a horn."
I have seen a lo...
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Another bogus idea.If a perfect upper bass could be achieved by means of spherical (approx. 1m diameter horn), what would be the next acceptable solution,if space considerations do not allow big horns? Perhaps that could be a line array of small dire...
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Very good, thanks for the images. It would be very interning to learn what the bandwidth of the horns, the bandwidth of the drivers and the specificity of crossovers you eventually chose to use with each channel. It might take for you for a while to ...
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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 defy the laws of physics...
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Paul,I'm with you waiting for a bit more enlightenment and less rhetoric on the subject. As you stated if e.g. a Bass reflex does certain things wrong there are some known 'recipes' / fixes to try, and some will work. We would want to utilize a u...
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Romy,you did not disappoint my expectation in your reply. Who can argue with the take: "bugger off and do some home-work"? On the other hand, when looking through that "Knowledge tree TM" it's more of a "forest" as far as horns are concerned. So it's...
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[quote user="MINGSU"] Of course, if the space is not an issue, time-aligned installation will be the only way to do. But, in a real world, that is not often the case. One has to live with lots of limitation, so time-aligned might have to be compromis...
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Romy, I'll limit my answer to only speaker-related problems. 1) Still too bright sound. Not hard or edgy, just too much top end. My local guy suggested trying a single resistor in series, rather than an L-pad, to tone down the tweet...
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Hi, Tim. This is difficult question, and it is difficult in it’s abstractivnes. I really do not understand, or understand but refuse to acknowledge the validity of the word “respectable”. How valid for YOU would be a “reputation” of this driver if it...
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