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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy wrote:"... from the perspective of “reading the back side of the midbass speed bump” I would argue that it has nothing to do with horn loading. Look at the notion widely. I would propose the following...""...An abstract ultimate playback system ...
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[quote user="Romy the Cat"]Arno, I have plenty at my site that describes in great detains why and what I do not like in idea of single driver with back-loaded horn. Build it and hear what you will be getting. The software you are irrelevant. There ...
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[quote user="Paul S"] I have been surprised that you have not already pursued the Zarathustra for your multi-driver, sealed LF. From your early descriptions of both, this seemed like a natural pairing and the most likely way to go, to keep the ...
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[quote user="js"]Could anyone please advise me as to the recommended rear chamber volume for a Le C'leach horn with a throat of 240cm2, mouth of 7089cm2, length of 47cm, cutoff of 160Hz, T of 0.8? I'm thinking of using a Beyma 122Nd which has a sd o...
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Quickly again, for the record, and The Google:The back wave of the Manger has a much less flat response than the front wave. There are peaks out the back. It is not a symmetrical dipole. This issue is only of interest if you are using the back ...
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[quote user="Wojtek"] Roman, could you (or enybody ) elaborate a little bit on JBL L8 and its application ? Not so much sensible info on the net besides that its a fullrange usefull in 40Hz-8kHz. [/quote]I do not know, how can I elaborate if I never ...
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I wish to construct a single horn speaker that might be used to explore Romy's amplifier design now, while not being useless within a 4-way system in the future (to be housed in a 5x5x3.6m room).I plan to construct it by pouring in a mixture of resin...
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Arno, I have plenty at my site that describes in great detains why and what I do not like in idea of single driver with back-loaded horn. Build it and hear what you will be getting. The software you are irrelevant. There are no intended or not inte...
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Paul,I have not heard the synergy horn or any speaker with that design. Here is what I am talking about:http://www.yorkville.com/images/products/u15_cut_sm.jpgIn this particular case there are 3 mids and 1 tweeter driver sharing the same horn.This so...
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[quote user="morespeakers2"]The injection channel is the only thing about the Macondo that raises my eyebrow as a kind of "out there" concept and I have been meaning to ask about it for quite some time.
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Now ...
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A horn basically directs acoustic energy in a single focused direction, maximizing the efficiency with which the air mass to moved by acoustic waves is coupled to the driver. The best thing is to read a good book that covers the basics in simpl...
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[quote user="msaudio"]49Hz To 52Hz will be your peak, so the best you could hope for would be 3 hz below that flat with a perfect tuning of your length of your horn and back chamber of your box housing your woofers. If you shoot for the free air low ...
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HelloI've always wanted to try an ESL as a horn driver:So I employed a hi power Koss 3-layer bass module cut from Koss "model 2" spkr.Polarizing voltage was low on Koss design so it was upped to 3kv w/ custom PS.Horn is old closet that had a trapdoor...
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Josh, I am not sure what you want to say. If you looking to name the reason why you like the sound of Gotos then you are guessing as much as anybody else. I can tell you even more. I very confident that the Goto folks themselves are guessing. I do no...
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[quote user="Romy the Cat"]The Supravox was
12” the Goto 4” how did you convert one into another? You would need a 3-4 feet
adopter to do so.[/quote]I used GOTO's converter from dual 4" to aprox 200sq sm2 throat. It is still 2 times smaller than ex...
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[quote user="drdna"]I would like to hear the opinions from people who have heard good point source/single driver installations (ignoring the shortcomings). What does the point source add to the audio reproduction?
Adrian[/quote]
Adrian,
If y...
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This there is the last in the “THE PROBLEMS WITH HORNS” cycle. The previous threads might be found at:
Problems with horns: tweeters.Problems with horns: mid-range horns.Problems with horns: mid-range drivers.
This would be probably the most contro...
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[quote user="Romy the Cat"]I thought that the folks who are interesting where I am going with my Macondo should know that am still working with Vitavox S2[/quote]OK, I think now I’ve learned whatever I need to learn about this driver. In order to und...
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Hi Romy,
I spoke to Mr. GOTO about your question today and he told me that the reasonance of SG145LD4 is at 24Hz. If customer want to build a 20Hz, he will recommend to use at least 2 driver per channel but best to use 4 driver per c...
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[quote user="jessie.dazzle"]Romy, I'm very pleased to learn that you've got your Injection Channel done. I assume the above illustration is not indicative of the way you have the Tannoy Red aligned with regard to the other drivers, as it appears to b...
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... and nothing as a result. After testing, measuring and the most important listening the new Water Drop integrated with the rest Macondo I summized that I would need to go still for a second order on my tweeter. It is kind of not what I hoped. I di...
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[quote user="Paul S"] Speakers: I built a version of Dick Olsher's 3-way Diamond Edition BassZilla (hard to find at www.blackdahlia.com), and I tricked it out considerably from his mule. Bass is BR, 15" Audax P380MR, which is a nice semi-...
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[quote user="unicon"](I kindly ask to Do Not use this treat for selling purposes).Make two different cases in the way you have like tight budget and in other you have everything in hand and reasonable budget.[/quote]In my tight budget case it going t...
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The 10" "woofer" is well known to "high-end" designers, who love the "fast" bass, and I have to admit that Wilson and Dunlavy (among others) have also managed to get some impressive (at least for a while...) "dynamics" from the little woofers. To lo...
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Rakesh, I moved your post to this thread as I feel it is more relevant here, I hope you do not mind. You ask yours the very same question that I ask myself. I do not have definitive answers to them:
[quote user="oxric"] I am presently consider...
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[quote user="haralanov"]Romy, the main driver in this acoustic system has nothing to do with the funny Lowthers. It is very high class field coil speaker unit made by Oleg Rullit. The owner of the system has tried the highest class of the Feastrex li...
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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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Romy wrote: "...I still do not know why you have weakness in 80-160Hz octave. Your upperbass shall cover it perfectly fine..."The last time I measured the upper-bass horn, it started tailing off just below the horn's physical cutoff (115Hz); lets see...
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Yes, there are a lot of paths.I can see that many DIYers are very much stick on crossovers, changing capacitors, choosing slopes in digital filters - FIR or not FiR and so on.I know very experienced people who now say that with digital crossover he d...
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[quote user="N-set"]Romy, may I ask you why you've employed an autobias on 6E5Pin Milq's MF rather than your biasing technique (if there is any reason at all)?[/quote]If you look at the page #13 of the Milq DHT thread then you will see that the first...
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