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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="jessie.dazzle"] Assuming one will not get anything under 50Hz (usable) from a 40Hz horn, I interpret the mission of lower-bass channels in the context of a horn system as follows….[/quote]
Hm, this is a bit tricky with bass. A pla...
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Hi Romy,Always nice to correspond with you, thanks for your comments.I used the term 'sophisticated' literally: so - phis - ti - cat - ed Adjective: 1. ( of a machine, system, or technique ) Developed to a high degree of complexity.As do you, I prefe...
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This is very interesting question. I do not know a lot of people with whom I might collaborate it as very few run ULF channels. Most of time people run just bass channels. It is my experience that whenever audio people talk or think about the low...
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Hm, it looks like I misread
you post initially, now I got it. What type of crossover you use at 110Hz? You know that you will eventually will end
up 3 more bass sections per side, juts give yourself time… I personally never
had success with bass s...
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[quote user="Lbjefferies7"] If you are really interested in moronizing your room, GTT Audio & Video are selling some Kharma Class-D's on audiogon.http://www.audiogon.com/cgi-bin/cls.pl?ddampstran&1237509628&demo&3&4&Looks like...
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[quote user="be"] Instead of defining the ULF range from the reproduced instruments, it is much smarter to do it based on the first resonance frequency of the listening room, because the frequency response of a closed room has a 12dB/oct rise in ...
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[quote user="serenechaos"] I do not know of importance of enemys death to this topic. [/quote]
Oh, this is a sheer pleasure but do not call that dirt enemy. He is not enemy but way beyond it, he is the person about whom I have a death-wish as ...
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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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Yeah, they are my own experiments so I am the only one that need to care. They are based on your earlier work, so I felt like writing and tell you what I am doing with your ideas. The drivers we use may be superior or inferior. As long as mine are t...
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My string quartet have just spent 6 days recording haydn and being assaulted by nasty Genlecs.
I can assure you that this is NOT what I want my system to sound like.
(Actually I sort of began to see the point of them after a while.. but
that's ano...
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[quote user="homebuilder"]I am new to this interesting site, and am hopeful of getting some assistance with a project. I have purchased a set of TAD 1201 mid-bass drivers to begin a 4-way active system for critical home listening. (in a d...
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[quote user="jweiss"] When we spoke at CES, you mentioned that your experience with field coil drivers only extended to cone types. So I assume that you have never heard any field coil compression drivers. That would include the WE 555, 594, RCA 1428...
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Wilson Audio Buys Rights to Romy's Amps and Speakers
Due to a reversal of fortune, Romy ("who would have thought all those air core capacitors would have added up to so much") sold all the schematics, rights, and designs of his Super Melquiades am...
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Well, I do not like any
none-sealed enclosure. From my perspective IB box is also sealed and I am not against
it. It is not about the sealing of encloses but about absence of contra-phase feedback
that is always there in any other topologies. Ther...
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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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Today’s prices in Hi-Fi do not base upon any other principle then “whatever market bears”. The luck of objective evaluation methods and the completely un-liberated market of Hi-Fi consumers make the “market bearing” principles being completely not ap...
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I would like to think a little about the monitors. A monitor is kind of bogus name but useful. I usually call a loudspeaker that is not floor standing as a monitor. Sometime they called bookshelf but I hardly image any loudspeaker on a bookshelf…
In...
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Ok, I blamed the tweeters and MF drivers now the turn of the MF horns. The Mid Frequency Horns (I’ll them “MFH” from now and on) are the stinky like pieces of horn installations, and if they are not done correct then they screw up anything big time T...
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tarted to mount the open baffle for ULF channels at my
attic. The system is fully operational,
not time aligned yet to the degree that I would like it to be but I'm going to
tell you: that Tannoy Red 10 is something that makes everything so sweet...
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Collin,I am pleased that you found my suggestions worthwhile.
I approached the issue of your music room with two questions in mind:1- How to avoid the structural angle from interfering with the sound2- Would an enlarged room be worthwhile...
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Yes, yes. This ooops thing is important.
For many years I happily listened to PHY KM30 fullrange in crazy
thin-plywood semi-open baffle boxes. And - apart from loud piano music
- they are really quite terrific. Very communicative and easy to get...
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[quote user="haralanov"] Some time ago I intentionally made two different boxes for my ScanSpeak drivers to see what will happen, because I do not believe in theories and trust only to my ears. The boxes had exactly the same internal volume and front...
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In reference to:
http://www.goodsoundclub.com/TreeItem.aspx?PostID=1414
I had recently a guy in my listening room and he asked me if it would be possible to get the 300Hz range in the way how it sounds in my room but without using those larger uppe...
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Jean-Michel posted a reply in response to my commentary:
http://www.diyaudio.com/forums/multi-way/140190-jean-michel-lecleach-horns-109.html
[quote user="Jean-Michel Le Cléac'h"]Hello,
Romy is totally wrong on that.
( a par...
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Well, whatever you do with your loudspeakers of with you whole playback system is kind of irrelevant if your drivers are not right. In my view the drivers are the very much heart of playback but in case of High-Efficiency and particularly horn-loaded...
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In the linked thread “Munich High End 2010..” while taking with Joe the Archeologist I was mentioning the fundamental flows of open baffles. Still, the presence of disadvantages circumstance is not a red flag for somebody actively or my interest....
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Hi Romy,
I think my post is a little confusing.
The picture shows all the different drivers
used in these experiments. The Altec in
wood
horn is the constant with the
the 21" bass channel. Then I bridged the ...
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Rowuk, a couple of corrections, but I am certainly not arguing. First, the dac outputs 1.25VRMS, or thereabouts...I am going to measure it. The 0.6VRMS is because I run it at -6dB into the Placette because for some strange reason it sound...
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[quote user="morricab"] I have found that the Apogee loudspeakers ribbon drivers can quite successfully reproduce correct tone. The reason why is this: They have very little coloration from the driver materials themselves (no nasty resona...
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I had a very interesting experience last Sunday. I visited
my local audio guy and had a phenomenal listening session. He is horn guy and
had a good sound in his dedicated room. He is for year playing with surround sound
that I never cared about an...
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