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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="tuyen"]When i change the cutoff of the 505tt to 200hz and 250hz, I experience that same 'hole' you mention about. Hence why I was questioning if it is the 160hz le'clech horn causing this and if using the goto s150 horn with it's di...
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kodomo, there is a thing that you need to understand. The
objective to have bass channels outside is valid but it is applied to a perfect
condition when you have unlimited width. In the situation like you’re the objective to
have bass channels ou...
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[quote user="Jorge"]Hello Anthony,I did experiment with metal tubes for bass in a sealed configuration as you are planning. The weight of them, even made out of thinner than you would like steel, is prohibitive. If you make them out of aluminum pipe...
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I kept thinking about cats and cat food (also known as birds) listening habits this afternoon. That's why parrots bob up and down, as well as (less often) twist back and forth on one leg sometimes-- to triangulate and pinpoint a location in all...
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Yes, I should have said modular like your bass horns, but with much smaller segments, e.g. 36 segments of 10 degrees. Assuming one keeps the profile the same, the only difference between different sized horns is scale, so a single mould "capped" at v...
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I think the usage of Romys Injection Channel has misguided you to think it was implemented because of a certian lack of tone or some sterile sound, nothing of the sort, I cannot blame you for not having listened to Romys system, but theo...
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jd, I cannot see any of PDF files, probably my current networks kills them.
I do not know the AK150 drivers. I know AK157, AK151 and K15/40. If they have significantly lower free-air resonance, at 30-35Hz then I am not sure that they would be ...
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I heard the Everests recently at the Munich Hi End show, unfortunately they were being used in an active vs passive display/dem , you could tell when the Everests were playing as the active speakers had a sound like an inflated balloon being rubbed w...
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[quote user="Paul S"] Some of those Altec horns were textbook examples of both types of bell-like resonance, where the body of the horn itself resonated and certain bell-like artifacts were created/amplified by/in the horns' mouths. [/quote] Hmmmmmmm...
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Romy wrote:"...The material itself – what to use. I am wide open from any type of wood to synthetic panels (like cement panels). Perhaps it might be a combination of organic and synthetic layers..."I realize you won't be doing the work yourself, but ...
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I have been playing around with speakers for a long time, and things started snapping when I got into horns. I have a system right now with an upperbass horn from 140 hz turned form MDF up to around 700 hz, to another horn, and another and a super t...
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Thanks, Wojtekm it sounds like interesting experience. I would mention that you use K-horns and with them the loading would be much more capriccios then it would it be with stand-alone infinite-baffle bass section. Did you seal the space between the ...
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I note English Mfgrs tried low power ribbon Midrange horns in the 50's (Decca, Kelly & Quad also made one!).These were probably inspired by the hi pwr prewar? Klangfilm ribbon horn (would like to hear one of those!) But, after Peter Walker moved ...
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I realize this is off topic, but I would like to address the issue:Rackish wrote: "...Recently I asked someone who contributes regularly on your forum and has a system 'similar' to yours to come and listen to his system. He did not answer. I feel e...
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hello again Romy, cats, friends...
I built this horn for Ming Su, the Goto USA importer... I have posted on your site before about midbass and bass horns... I listen to eight foot straight 45 Hz horns... and as partial payment on this commission ...
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Hello Members,i am new in this forum,and want to share my experience in horn building until 1980,my newest construction feature isbass horn mouth distance and membran movement cross settingby my new double horns....
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BTW, purely hypothetically, Jessie, if you have a long harrow room then did you consider to put your bass horns vertically, facing them mouth up, pretending that they are large vases? It might be a new kinky surreal home decor and you can make the th...
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[quote]might I ask why[/quote]1.)the bass will be pretty coloured...mouth not large enough for proper bass response..
2) numerous horns--imaging all over the place!
3) All those tubes in the mouth of the horn??? disaster..microphony!
4) those horn...
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Well, yes... I've not been to prison in over two years! Apart from keeping me off the streets at night, the results when listening to one of the 40Hz horns were, dare I say, encouraging, though I do hesitate to say so, as the "evaluation" was carried...
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Khorn has about 2meters path length so they have to be positioned closer with false corners in Romy's case to be aligned. If they are at the back one has to add the distance from horns plus the path length of the khorn bass bin and delay the rest of ...
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Room is extra nice, better then most i have seen on the web. We all will hear from you telling us there is no bass, in your new room. It looks like 300Hz down will suffer because square footage increase like 10 fold from last room. You will have much...
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I never was fan of the Oris 150. They meant be used with Lowther type of drivers, that never worked properly. The Oris 150’s upper bass is not really the bass that might be obtained form the Oris’ mouth. Should this Oris has twice smaller throat and ...
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I will be dubiuos about the slanted enclosure if not done properly, all drivers must be time aligned and since they are playing the same frequency, deficiencies in time alignment become more obvious. I made a slanted enclosure but with the drivers ...
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Paul, l I have written about it somewhere: the passive speaker-level crossovers on bass channels are no good. Marko has 250Hz that with 3rd order would be around 10mH and 2mH. With air core then would be very large coils with huge amount of DCR – ver...
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jd: Looks very ..cool! I can't wait to see some more photos!Romy wrote:"1) You might not need rubber gaskets at back chamber of your mid-bass horn. "-I was thinking the same. But perhaps rubber rings can be used to seal the back chamber to make ...
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Romy,
More to come soon but a couple comments regarding bass horns ( and one on Tractrix horns ) :
The Edgar Seismic subwoofer ( 18" JBL E155-4 hyperbolic-exponential folded horn, 40 Hz Fc ) works very well in my room - much better than the 1...
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Hi Jeff,I am certain that the best midbass was NEVER in a corner horn. Every fold in the horn is a new resonance. Corner horns need many folds...In addition, if you are very "anal retentive" about phase alignment - how do you integrate a corner horn?...
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[quote user="oxric"] In my mind, and given my specific circumstances, the question of strategy is inextricably tied to the resources in terms of time, efforts and funds that I will be able to devote to this attempt to achieve what I have in mind ...
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Hey Romy I read your requirements of a mid bass horn. I am using jabo tratrix KH-55A(320hz) with altec 288 and I want the mid bass to go under that. I would use a trattix round midbass if it was possible. But it's just not with in my abilitys to buil...
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I would worry that there could be an interaction between your electrical filters and the filter formed by the horns themselves.I, too, like to trust my ears and I would ten to trust yours more than mine but nonetheless you have created quite a compli...
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