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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have tried a second filter on the Supravox as per your suggestion. Very interesting, it really has audible effect on the sound even if it is small when I put the filter around 40hz. I will try on 60hz and 80hz and keep on listening. It will take ti...
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[quote user="Dominic"]Here's a threeway with the BMS coax like in your orpheans nested in what i think is a 80hz horn which is driven by 2x15"sI'm not sure how well the time alignment works. I think the woofers are a bit too far back.in any case: [/q...
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the sad truth was the space, the finite funds, and the available bms pucks! the sad truth also, i suppose,the lack of available, and sensitive horn users to bounce off of!i could probably see what your dislike of the bms stems from-- i tried to...
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[quote user="Romy the Cat"]
el`Ol wrote:I think they could could make the sound more pleasant with an overkill of second harmonic distortion. But for people who prefer that kind of sound a relax-horn like Anima would be better anyway. No real solut...
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"This topology was invented by Steen Duelund"Ah-hm, ring radiators where not invented or even re-invented by the Steen Duelund dude, just copied. JBL used the priciple 40 years prior to that in: 2402-2403-2404-2405 and Fostex have been using them al...
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Looks like it will be a long learning curve...first discovery - I've matched the levels of the jbl vs BMS accurately - and subjectively the jbl sounds 3-5db louder. and much fuller. very healthy sound too.I'm going to take this chance to listen to lo...
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[quote user="serenechaos"] I wasn't trying to critique Bert, or even get into an in-depth critique on the Swing…. Maybe that's why you went into more description of Bert, and his business? You feel it is somehow reflected in the speakers ...
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I wonder how far one could get to the traditional horn ideal (low-ranging compression driver plus some metal shimmer on top) with a BMS neodymium pure mid driver and a Celestion/Eighteensound/Beyma with aluminium diaphragm.BTW, something with berylli...
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There is a thread about unity horns featuring Tom Danley himself on diyaudio.com.http://www.diyaudio.com/forums/multi-way/195955-unity-horn-budget-drivers-active-x-over.htmlImpossible that his speakers can be good, as he uses BMS drivers ;)...
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Looked at the JBL driver again. Seems that the two diaphragms are identical. A funny way to get around the BMS patent....
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hey romy and all-i recently came across a strange phenomenon (to me.. maybe not to everyone else!).I just started using RTA as a method of evaluating my results with my own 2 way speaker system, and I'm finding that I'm ending up liking the sound of ...
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To my ears the Duevel Sirius has some kind of false transparency I also know from The Focal titanium tweeters, so maybe there are metal artefacts, but I didn't find if painful or annoying. Nevertheless, I find this is an unnecessary gimmick, so m...
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I am not sure if this is the driver you are talking about. It seems that the external horn could just help with the drop from 700 Hz to lower frequencies.http://www.bmspro.info/photos/bmspro_info/bms-4592nd.pdfI can see why it is bad with 7K Hz...
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[quote user="audiofilofine"]to reel from 7 volts or 700 volts is equal to the reel. should rather ask why or why 7 or 700 volts. should be asked how you intend to use the horn driver, you should ask graphs of frequency response and power handlin...
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Alphahorn seems to incorporate the BMS 4592 coax compression driver. Similar CD horn is already incorporated in the CODA speakers:http://codaaudio.net/Rx35.3-way_full_range_system2.0.htmlThe guy from Austria probably gets the German BMS dri...
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I care less about Bret and his business, in fact I have no idea who is he. Since he use audio as business then what distinct him from any other audio whore. A purpose of any business is supply demands and capitalize on the frustrations, investin...
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Hello Marc Henry,I am curious as to why you picked the 4540 driver for HF. I have no experience with this unit but it is interesting since the design claims to be of the "ring-radiator" type. This topology was invented by Steen Duelund for use in reg...
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I think the most interning would be to learn what kind MF and upperbass drivers were used, particularly the MF. I hope they are not the German BMS drivers as it would be a major turn off. It looks like 2” throat, would it be possible that French folk...
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Alrhough the phasure stuff does sound very good, I do not consider it to be “the bleeding edge”. I consider a preamp allergy to be very typical of those “making a point” for instance! Declaring that only 0.6V sounds good on the DAC demonstrates yet m...
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Since no driver is actually full range, driver selection is partly conditioned by how well it plays with the other drivers it will be used with, and - very certainly - the crossovers it will be used with, also baffle shape(s) and size(s), amps(s), an...
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Here's a threeway with the BMS coax like in your orpheans nested in what i think is a 80hz horn which is driven by 2x15"sI'm not sure how well the time alignment works. I think the woofers are a bit too far back.in any case:[url]http://www.codaaudio....
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I saw and hear thise horns on audio show in Waraw this month(I went 200km to this show only to hear this thing). It is La-horn 200hz, smaler horn is La-horn 1000hz not diagonal. Drivers is BMS. Bass is TL. Orginal name of this system is ROCKET but th...
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Dominic - At the moment I'm using ..
highs - BMS 4540nd - 1500hz lecleach roundhorn. crossover 1st order HP @ 30khz and 3khz
5842 choke loaded (reg psu) RC coupled into 6N15N (EL84) with a custom sowter mumetal >1000hz xformer
midr...
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Hi i want to replace my 802 G drivers with something that plays flat and has extended highs. I have several horns was thinking of using Radian drivers like the 1.4" 745pb i have some 800hz 1.4" tractrix horns to mount them on. Anyone have experienc...
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wow.thanks for comments.La Grande Castine will not be as expensive as Cessaro Gamma.i am sorry but i cannot answer to all questions, for several reasons you can understand.we have tested many drivers since the early prototype of La Grande Castine. BM...
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hi romymy goal is to design a hornspeaker with drivers, that are today commercially available, s2's are not.tomorrow i get my bms horns from bd-design, then i can say something abought them. as they are coax, with tweeters, i did not design a t...
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Well, I have just taken receipt of my Orelo speakers (pic attached) - the bigger version of the Orelino speakers, with 3x 15" bass drivers per channel as opposed to 3x 12" drivers.I realize that Romy doesn't regard the coaxial BMS mid/high compressio...
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hi romyi am listening now abought 2 weeks my orphean horns. when they arrived, i first connect them to my electronic crossover, and they sound horny, very bad. after i connect them to the own crossover, sound changed right away. now, that i heard mos...
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Hi i am a new forum member and recently i built some speakers using Altec model 19 components 416-8b & 802 G. I built some 7.5 cu ft cabinets with two 4" diameter 5" deep ports this is the optimum cabinet size for the 416 i ditched the 811 horns ...
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Ok that was a long road to "stick with vertical alignment, and stay away from BMS." Back to compression drivers, and implementation...
If I were in your shoe I would take make as you wish but wish a slight correction:
65Hz Tractrix fro...
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