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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Unbelievable idiot! Last night an audio guy visited me and I played to him some music. I was not sitting in the listening spot but what stroked me was now stringent and how shallow the playback sounded. I was waling around the listening room, scratch...
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[quote user="Romy the Cat"] Dose the midbass horns semi-mono location has an impact to the “width” of playback. Yes it dose and I did clerlay expressed it in posts what I played with idea of width modulation channels. [/quote]Romy, I think that I...
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Nope, I do not have the itch with ULF sound but I do have a mild itch with ULF concept. The itch is not strong enough to make me to do something but I would like another day to push the boundary of reality and to see what in behind the rabbit hole. L...
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Nope, I do not have the itch with ULF sound but I do have a mild itch with ULF concept. The itch is not strong enough to make me to do something but I would like another day to push the boundary of reality and to see what in behind the rabbit hole. L...
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There is a tube out there might be a good candidate to drive ULF from DSET
http://tubedata.tubes.se/sheets/127/7/7242.pdf
It is a low voltage triode with 100W on plate, 9 times gain and 80R plate impedance. 3 of them might form a...
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You know, it surprises me how much less fan to listen my playback without ULF. Nope, the playback does not sound bad from audio perspective without ULF but it for sure a bit different experience. From a certain perspective to be in a room with U...
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There is site out dedicated it infinite baffles subwoofers. I am not sure how serious they are as they use mostly metal in rubber drivers as got thrilled when “Apollo 13 takeoff, my doors move back and forth 1/2", and the frequency is below 5 hz...
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It kind of said the Massachusetts is very much not “horny” state and there is not a lot of enthusiasts of horn loading live in Massachusetts or in the entire New England. If we New Englanders have the saturation of horn interest as high as California...
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This is kind of funny. I got another B2 amp a few days back. It was near new condition, at least inside. As I plug it to drive my ULF I felt that it produces some kind of strange bass. I did not like it at all and it was very different then what ...
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Two "temporary" solutions worth considering:1) A big nasty Krell KAV 500i (stereo 2x250 into 8 Ohms; 2x500w into 4 Ohms; built-in preamp; excellent volume potentiometer; remote; holds resale value). Though the mid range and HF of Krell amps is not co...
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But efficient (in terms of space usage) and radical.put woofers in the sides of flare of your attic horns, sort of like Danley Synergy horn, not near the throat but towards the mouth area, using the attic as the infinite baffle.But will the pressuriz...
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You have a nice very much full-range, preferably multichannel, playback system, and you like what it does. Now, disconnect your very lowest channel.
Disconnect it and get use to this sound. Then put the lowest channel back to
rotation. You got bett...
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Romy, is this a trick question? You are the only person I know of with time aligned, true IB ULF channels using 4 Aurasound sub-woofers, so who's going to answer your question? The first thought that came to my mind was how some "Big Music" composer...
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I forget if you started out by setting the phase and level(s) of your ULF with DSP to begin with. Not to cave in to herd mentality, but it might be "worth it" to rent a DSP/D (servo) amp(s) combo to play with. If nothing else, that amp has to modulat...
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Sounds like the title to a poem!I'd go with the RCRC crossover... Why? Its cheaper, and as Paul mentions, until you introduce the final character (uncle ULF), the real end of the story is impossible to write.
jd*...
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It is not about Dynamic Range per say but about dymick differences that I feel and that I care with good ULF he effect of rising of acoustic and tonal pressure is instant, very soft but absolutely instantaneous. Live music has feel like literally...
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[quote user="jessie.dazzle"]In this case, below 50Hz, I think el`Ol is right to suggest that you consider using DSP as a permanent solution. The SMS 1 is in theory the silver bullet... You just need to find out if you can live with it long-term. Be...
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Time coherence of ULF may be less important than that of higher frequencies and that seems to make sense in theory and jibes with my own experience. However, I still think ULF timing matters a lot with respect to a) higher frequency drivers and b) ot...
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If I somehow was able to recalibrate Macondo to run with the specifics of my new PP2000 sound but in the lower bass my currant playback is completely dead. It is not that it is non-listenable –it is enjoyable but the whole lower end of the midbass ch...
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[quote user="oxric"] If the issue is merely to recreate a better sense of the live performance….[/quote]It might be not “recreate a better sense of the live performance” but rather to be able to administer in my own and deliberate way some “listening...
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Romy wrote:"...The leading idea is to bolt a triangular shape sealed enclosure juts behind the small wall that cover the load bearing beam from the midbass horns..."For a lot of reasons, I'd vote for an alternate placement. You've got that baseme...
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Until people actually start to listen to and correlate well-determined sound with pieces and parts, they are going to continue to spend money on BS "engineering" ideas rather than listening their way through Musical options. "Underhung" and "Per...
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Hello, RomyI don't know if one or more of these could fit into your ULF scheme (or house plan), but it seems to have great potential. I also seem to recall that ULF injection was an old school technique mostly abandoned by the mid 60's as serious mu...
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Romy,I might have overlooked something on your site but I understand that your ULF amp is driven directly by the preamp line stage. If that is the case, you may want to consider an old technique for integrating subwoofers and drive your ULF amp w...
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Actually I got interest in the idea of having remote control attenuator on my ULF amplifier, I juts need to find a company who will be able to do it for me. For whatever reasons audio people feel bass channels have to have an attenuator. This is alwa...
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I have today a local audio guy stop by at my place for some listening. He never was in my new place and was curios what have done with my new room and my new installation; he was in my old room. When I asked him to criticize what he heard he mention ...
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Me being exuberant about the new ULF capacity does not necessarily mean that ULF contribution is right and proper, let me to explain. There is a musical event that has it sonic representation. This sonic representation better or worst was captured by...
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As good as my ULF turned out to be but purely conceptually it is not an ultimate proper playback solution. I have midbass horns runs down to 42Hz and ULF kicks in at 25Hz with 3rg order. In reality does to the geometry of my room and the fact the dis...
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Since I finalized how my midbass horn handles decay the only things left in my playback is to set the right level and cut off point of my ULF channel. Formerly I did set it up for 35Hz, second order and it was fine as a temporary setting. However in ...
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[quote user="Romy the Cat"]
[/quote]As successful I am with the midbass horns as problematic the situation with the lower frequency channel. I do have the good location for my LF channel and I setup the DC SS amp with line-level filter at 28Hz. The ...
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