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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Putting The Mid Bass horns behind your head will not work. This thread was about Mid Bass Horns Project, do you thank you will be able to use any frequency above 80 cycles with rear fired horns that are behind your head? That is a Joke. It looks more...
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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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Was invited over to Romy's today for a listen. In the last two days, he made several small but critical changes in the time alignment, crossovers, and room damping, and the sum of them has brought his system up by several notches producing the best a...
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Hi Paul,The Cogent diaphragm I have seen pictures of was woven carbon fiber with a leather outer surround. I have never listened to a Cogent 1428 but they must sound very good, at least Bill Woods and Bruce Edgar say so.Besides their overall ultra cl...
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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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Roman,[quote user="Romy the Cat"]Last year the speaker was presented by “Horning Hybrid Perikles” importer who told me that they demonstrated: “3-ways loaded into the same horn loudspeaker”. I asked him to explain what dose it mean “3-ways loaded int...
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Hi,[quote user="Romy the Cat"]T, would you elaborate on it if you feel that it has any merit?[/quote]Really, I do not know. From my limited experience I have found that multiway active systems are very much a tuning excercise par excellance. Given th...
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de charlus - I used a few of these Behringer boxes and the level of features is staggering. However, in my experience with the Ultra box, sound quality was significantly reduced in "bypass" mode, reduced further when employed as a DAC, and reduce...
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Dick Sequerra it looks like made his new monitor available: Met 7.7 Mk. 6
http://www.sequerra.com/
It uses looks like a custom paper woofer and a custom paper tweeter, both geometrically naturally aligned, behind first order crossovers, unfortunate...
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Higher sensitivity of loudspeaker leads to higher dynamic range but most of audio people mistakably feel that it should lead to ability of loudspeaker to play loud. Tom Brennan, from the AA sewers, mentioning the advantaged of Klipsch La Scala stated...
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Paul, Points well taken. The F120A is listed as a FR driver. In my humble view, it does quite well for it's size, albeit the last two octaves will not be in full force (okay, the last octave is mostly MIA). It's lower sensitivity does not ...
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Hi to everybody,I have used those caps: teflon V-caps, AN copper, Jensen copper, Siemens at the signal path of a tube power amplifier (300b SE) application. V-caps are technically very good, very clear, less microphonics, but missing s...
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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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[quote user="jessie.dazzle"] After observing a pair of AK151s operating in free air, though only lightly driven, I just don't see how they can possibly generate so much pressure, as the cone barely moves! [/quote]
Why shout they move? One of the ide...
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[quote user="Romy the Cat"]
Hm, the Injection channel via Lecleach? The MF via Lecleach? I wonder why people then are complaining about the vertical limitations. Anyhow, closer to the point.
[/quote]My mistake. I should not...
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Hello again, Romy... friends.. cats...
I am sorry for my delinquence in replying... but the good news is that in the past weeks I have managed to get a beginning Goto system together... more on that in a minute..
first, basshorns... the bassh...
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[quote user="Romy the Cat"]
"...Jessie, I pulled posts from Macondo Axioms thread and encapsulated them onto a new thread dedicated explicitly to your project. I hope you do not mind..."No problem... I was actually starting to feel a bit apprehensi...
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[quote
user="anthony"]Romy, I understand that at some stage you trialled a
number of different capacitors and settled upon Electrocube 950B/D not
necessarily for the Melquiades but perhaps for some other project. I was
wondering if you ever expe...
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Dear All,I wish to commence gathering the components and finding the craftsmen necessary for my DIY speaker project, but wished to bring my proposal before this forum in order to establish whether it's intrinsically worthy, and whether any simple imp...
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[quote user="jessie.dazzle"]Is this because of the way you are driving them?When testing my one completed mid-bass horn (AK151 into 40Hz Exponential with 8" throat), and powering it from an amp that drives everything from upper bass to HF, the output...
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Despite the fact the I lost the quality of the lower knee of my midbass horn (I guess the primary resonance went all the way down) I keep trying to catch the right termination of midbass low pass filter. I bought those expensive 20H coils and added ...
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Well, the morons, particulary the Audio Groupies (read more here), at AA were mildly bitching about this thread, nothing new. Unfortunately the thread is a perfect depicturing of the typical level of results and the most important - the level of...
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Here is a homage to the Macondo, or at least two channels of it - 400Hz tractrix with S2 and a 140Hz tractrix with Fane 8M. A T350 for HF and an as yet undefined LF solution is to be added. The horns are from Stereo Lab, with the la...
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[quote user="rdrysdale"]Romy, I just got a Vitavox S2 into my shop today. I notice that it has a very heavy stainless screen on the front, do you leave the screen on when using the drivers? It looks like it restricts about 50% or more of the thr...
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[quote user="Paul S"]I have also been thinking of subbing electrolytics for the huge - up to 100 uF - caps in my speaker level crossovers, just to hear it for myself. Although everyone says to use polys in the signal path, etc., I just wonder a...
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Hi Romy,So, six channels are now operational in the first DSET. By up I mean the anode voltages on all tubes is about right and the currents are in the ballpark of where they need to be. I am yet to check the DC Offset so hopefully that goes ok.Ini...
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Ok, none it is time to dive into the practical process of tweeters alignment. Once again I presume that we are taking about monopole tweeters that use AFTER your midranges compression drivers (read my previous post). Some people use term “supertweete...
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Now I have been listening the different crossovers trying to shape the new Macondo general balance. This is so fascinating ceremony that I do have a lot of fan. The things doing alone very well. I boosted upper bass and it worked now very-very well....
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Number one, that I'd like to run by you guys due to it's simpler nature and closer to reality execution is the idea I have been thinking about. No first hand experience with any of this.Say we use something like altec 1505b multicellular horn that sh...
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Danvprod, I hope you understand that “proper four or five-way system” is some kind of Unicornnish type of animal and we could talk about it only abstractly. Still, since you have mentioned it – what and how are you trying to accomplish with your five...
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