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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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atilsley169, the links you provided at Australian site are not useful as their site require having an account to see the images. So, you explanation about the corners and placing is not too illustrative. [quote user="atilsley169"]But, there must be s...
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The rule of thumb is that you can't localise sounds below 80hz. The classic experiment is to use a sub with an adjustable xo point and adjust it untill you can't tell where it's comming from. That doesn't change the fact that seperating the bass into...
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I spans last night some time measuring all my Vitavox 15-incers drivers, inspecting them, matching them and trying to find perfect pair. I would probably get involve in Ménage à trios and will sleep with them if I were able to arrange it. Since the ...
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Indeed, if the horns are doing their job then there will be some very powerful vibrating going on up there, for better and for worse.Decoupling the horns would require that the structures of the horns themselves and their support members have solid p...
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One thing to bear in mind with the bass horn delay - I thank Tom Danley for explaining all this a while ago - if I understand it right, a small direct radiator (ie small in relation to the wavelength - which will obviously be the case with ...
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Thanks, Guy. JC Morrison? I am not familiar with this character well. All that I know about him the he pop up usually around Joe Roberts and they perfume act of public saliva liking. It does not say anything about his amps, however, neither about his...
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Hello Romy,I've given back chamber tuning some thoughts and the biggest pain in the a$$ is to create a SIMPLE mechanism to change chamber volume fast while providing tight seals. What do you think about using test plugs from plumbing supplies......
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ahh yes, tapped horn is what you would call "close bottom." It has to be designed around frequency response (which is very narrow band). It isn't a problem getting one to go low enough though, and the quality of sub bass produced, smooth yet dy...
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Hello again kitty...Analogous to the lack of perfect "audiomoron" transparency of something like an L1 or tannoys or koetsus, I can see the general direction of your thinking regarding the "oops" nature of developing a musical transducer in room.The ...
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of MTM arrangement of two TAD 1201 in <100 Hz Horn ? I assume they would both work in the same frequency range . Also JBL LE8 is only 89 db driver and it doesn't look like it can take any power . Difference in efficiency within the channels would ...
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Hi all,In my experience it is VERY hard to get anything resembling realistic bass from a vented box, particularly with a Q of around 0.9 or 1. There is too much stored energy in the system and too much overhang. The best bass I have heard...
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Ok, I said a mistake, I like direct radiator (sealed speakers) too, but I often noticed more dynamic with horn speakers (I like every speakers (if properly tunned) except speakers that radiate with both sight of the drivers (bass-reflex, tapped horn,...
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Stopped by last night I saw my mechanist and consulted with him about the section of available material for my MiniMe project. He showed me different grades of steel, aluminum and industrial plastics, gave estimates, positive and negative moments of ...
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Gregm wrote:"Basically
I'm worried about a Lowther playing down to 150 and, if I cut the L
higher, I'm worried about the woof trying to play up to say 200."I have often wondered why one would want to ask the driver that plays into the 100 to 400Hz ...
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Yes, the "bottom drops out" of the "IB" depending on whether or how it's "opened", and one way or another, the cabinet may or may not "assist" the driver at some point. This is where one has to decide how much to ask from the particular driver or dri...
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I turned the thing on lately. Although the channels do not sound right at this point but there are some moments that I do live very much. I like the mechanical noise that this version of Milq radiates.
The former version had still chassis on PS side...
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Hi RomyI have one gas tube which regulates at 136v and i put it in both sockets to see the effect. Looks like my tubes running at higher voltages gives me the readings I got. Anyway I bought a bunch of gas tubes and will play with them when I get the...
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Hi Cat[quote user="Romy the Cat"] However, here is where the trick begins. Putting the headphones on, playing them along with the big loudspeakers system and adjusting the volume of the “big system” (primary the LF channel) it is possible to take the...
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This weekend a local audio guy came to my palace and was bitching about his bass. I have small 1 cub feet pair sealed foxes with 8” version of my 25W drivers, I think they are 21W. I used them on the side of my bed to allow my old Koshka to climb in ...
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OK, I see.
Actually, I was planning on using the Druids with their ports sealed. Bad idea?FWIW, I have a pair of Wilson Benesch Chimera speakers (the UK-based manufacturer, not to be confused with the 'famous' US one) that I'm hoping to use fo...
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Albert, the Adjustable Hydraulic Dampening might be effective if the vibration of floor is the factor. This is exactly what I question as I do not feel that the floor vibration is a problem. Considering the length of the waves and the amplitude of t...
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Sure, those, “events” around musical performance have HUGE affect to the musicians and I in fact LOVE to collect stories about them. What could be more “interesting” from a perspective of “anxiety” then for instance the Tanglewood performance of Shos...
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An FM broadcast of church bells from the major cathedrals around Sweden welcomed 2014. Blessed with holidays in my family's home in Dalarna, the miracle of a truly great room was granted. Built with logs in 1947, spruce floor, ceiling, and since th...
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I have order 4cu feet sealed enclosure for two 15 drivers. It
is relatively small box but I need to hit minus 6-8 dB at 50Hz. The collection
of the drivers I have would be following: Vitavox AK51 and 15/40, Altec 416B
and 515B. I like Vitavox tone...
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T, also if you knockewd up a small monitor then let me give you a lead that you might or not might find worth attention. I did a few monitors in my past and I have learned that whatever boards or woofs I used it always had sound and partially if you ...
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[quote user="Romy the Cat"] music. What I remember from the Christmas of my childhood that it was overwhelming Tchaikovsky, Russians played as it was no tomorrow, particularly the Waltz of the Flowers from the Nutcracker’s second act. I remember...
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Yes, I bought a few jacks, they are not expensive, I can buy a lot of more. I put them under the floor, assuring that the floor does not “play” anymore but there is one big but in all of it. Those intellectual attacking of the floor’s mode have absol...
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Good luck getting midrange from F120A for non annoying monitors. Seems reasonable to expect, many people have been very happy with these drivers... I haven't tried this specific driver, but have spent some time trying to get a simila...
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Well, the only thing I can think of is to seal them and keep 'em that way. I've made only a couple of vented enclosures and they have all ended up being sealed or severely aperiodic. Even if the Mini's are moved back, it is unlikely that they would...
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[quote user="rowuk"]In live music, we have intermodulation. Two trumpets or a trumpet and oboe playing together create sum and difference tones that change depending on pitch interval for instance. For music in major keys, this intermodulation is add...
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