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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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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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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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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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[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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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="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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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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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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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="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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[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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Romy, I think that your problem is that you stuck in past with your existing experience.You never tried latest JBLs. You never tried LeCleach profiles. You have your own reasons not do it. But I don't see any reasons to comment others experience in t...
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Sounds as though you had a wonderful time. The Brinkmann room alternated between three tables, their 'La grange ' direct drive 'Oasis' and a balace with a 'Thales' tonearm, the Verity's use a ribbon tweeter Raal? Which in that undamped room was just ...
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Yes, there is a Radian replacement diaphragm for original JBL phenol ones. It's a 4" voice coil, aluminium alloy dome with mylar suspension. Looks good on paper but I don't know if it is good. The retail is $210, usually goes on Ebay around $160.So y...
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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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There should be an 111dB tap on the Lazy Ribbon, but perhaps you have tried that already. Other than that, perhaps talk to RAAL to see if they can improve the sensitivity a little more with a transformer change (or something else)...it might be quic...
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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!...
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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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