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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="Jorge"]I tend to think that we are not copying Romy, but more that he has generated a school of thought on audio and yes horns speakers also.I too have a system following some of the Macondo Axioms, but have used all diferent drivers.As ...
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Looks like you still have the protective shield over the front of the RAAL ribbon in the video. Is the RAAL in use or turned off?...
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I've just got it and successfully integrated to system:Blue - original SPLGreen - with single capacitorRed - together with JBL 2453They match perfectly and sound amazing. Finally violins are very real. I'm completely satisfied with the result!...
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[quote user="rowuk"]Oleg has a lot of bad press in Germany for unkept promises and defaulting on delivery of product. Just keep an open mind next to the open ear. The best product only serves a purpose if it a) arrives and b) performs.I really like t...
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RAAL showed off at RMAF 2008 this new omnidirectional speaker and it is what I would be interesting to hear. What interests me in this is the concept omnidirectivity. I have no idea if the omnidirectivity as a concept is good or bad. Previously I hea...
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I would like to pass some summarizing observations and some generalizations regarding the entire “Water Drop” project.
THE IDEA
The idea of trying to find a tweeter to compliment Macondo was a good idea. Many of you know that I was proudly declari...
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moreart,It is the theory that you feel comfortable with but I am not. If you compare a radiation from a single 40Hz transducer and a dipole 40Hz transducer then you will recognize the differences. Also, you look at the 40Hz but I ma talking about a ...
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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="anthony"]My RAAL Lazy Ribbon has ended up needing a 1st order high pass filter to match the midrange S2 which is so much more convenient than third or fourth order as initially intended.[/quote]
In my case I found that RAAL ribbon wit...
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[quote user="guy sergeant"]Its interesting to see that RAAL are now representing Feastrex for many countries in Eastern Europe.
I wonder if they intend to create something using both types of driver![/quote]
I do see a lot of sense for RAAL to do ...
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Well, behind all those conversations about the Alex peruse to his happiness and about the Srajan-like freak to bite whatever does not lie firmly I think the most critical and important aspect of the RAAL project get lost – the sound of those things.&...
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Yes, a cheap inductive l-pad between OPT and S2 in midrange channel. Interestingly, the frequency response of the first order Lazy Ribbon is remarkably similar to a response you posted somewhere on this site of the Water Drop with third order filter...
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[quote user="Romy the Cat"]
Considering the conclusions of my recent experiences that I described in the following thread:http://www.GoodSoundClub.com/TreeItem.aspx?PostID=6876I would like to share some of my observation that the people who would g...
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As some you guys who flow this thread know my search for Macondo lead me to the world of ribbons. In the mid of last October some of you (I believe it was Chris) pointed out to the RAAL company. I was skeptical but decided to explore the opportunely....
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In my opinion the trend towards AMTs in mainstream audio ist justified. They integrate very well with direct radiator midranges, even when they are crossed low. They are more dynamic and detailed than fabric domes, but not absolutely unforgiving. The...
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Hello everyone:I exchanged a couple of emails with Romy, and since the topic may be of interest to everyone, I am posting the emails here. Just in case anyone wonders, of course I checked with Romy to see if he was alright with his reply to my em...
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At the bottom of your RAAL you have Vitavox S2 driver with
no lowpass filter, right? Do you have an alternator between Milq and S2? If you
do, then the alternator has some inductance and acts and a very mild filter. Anyhow.
I disagree with RAAL an...
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[quote user="el`Ol"] Copper domes??? [/quote]Yes, the pure copper domes. The nee a LOT of power to drive them though but they do very wonderfully if you do.
[quote user="el`Ol"] The Lansche is one of the speakers I would like to hear. Is it sonicall...
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Hi Greg,linkSearch the site and you'll find that Ulf has created a upper bass horn using the aforementioned TAD 1201's.I also own a pair still in boxes waiting for the weather to warm up enough for me to start some enclosures and horns for.My origina...
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I sent an email to Brian asking... also about how far down in frequency their largest mumetal core could go.I see why you want those tap options now - essentially you want to be able to load down the 6e5p but still use all the secondary sections. The...
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[quote user="JJ Triode"]Romy, take a look at EML 30A and its cousins:
http://www.emissionlabs.com/datasheets/EML20B.htm [/quote]
Yep, thanks, JJ. Still the EML 30A has a lot of gain but it has also very high plate impedance as well. As much gain w...
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Ok, as I said I am skeptical about the idea of omnidirectivety. I do see a number of objective rising problems and the most important I do not see why omnidirectivety is necessary at the first palace. People who do omnidirectivety claim that omnidire...
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[quote user="Wojtek"]I use regular Lowther DX4 (ENABLED) . I don't think the 250-400 is stellar and I'm still waiting for the extension to try small throat for lower midrange (2,75") (B&C 8P21E driver) for 200-1000Hz .[/quote]Look...
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"I really do not know. It sounds to me as purely speculative subject. I do not know how RAAL ribbons sound and I am not a big fan of ionic tweeters as I never seen them to work successfully with any other type of transducer."I have heard them work ve...
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Raal didn't open doors until after lunch Saturday. Said they were having problems, getting everything working, Lynn Olsen said they were having problems with the room, a bump in the 150~250Hz region and a hardness in the sound between 3 an...
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The presence of this "bug" is clear. Apparently your Raal tweeter is somehow making your system more vulnerable to the issue than mine. I'll refrain from guessing exactly why, as I'm not familiar enough with the dispersion pattern of this tweeter...
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[quote user="oxric"] I have spent hours coming up with all sorts of weird and wonderful, but at other times too rigid systems to support the various components comprising what I modestly choose to call Le Horn (AKA Rakeshorns). I have more or les...
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I would have been tempted to maximise space above for use by 4 midbass 15" drivers, 2 per side maybe in separate enclosures you can can move each module independently of the other.But probably too late for that as you have ordered the enclosures. And...
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Whoever followed the following thread:
http://www.goodsoundclub.com/LatestPosts.aspx?ThreadID=2974kind of know what was brewing with Macondo tweeter. Over the last couple months I was working with RAAL Company
http://www.raalribbon.com/
on a proje...
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I and a few of my audio friends wonder why we are drawn to this site, but for me I guess sometimes I feel I put too much emphasis and effort into sound reproduction. When I venture here that feeling quickly disappears.Yep, your into horns a...
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