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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Working with (not against) material resonance would be an interesting alternative way but I would predict a long and strenuous path... Imagine yourself having to tune not (only) the strings of a cello but the instrument itself. :-D
I once owned a ...
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Hi Romy and thanks a lot for the always interesting topics and discussions going on... I'm quite new to DPoLS and consider the approach of "obtaining sound in a room" more than "speakers positioning" - too often to WAF fullfillment and aesthetics, th...
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I have used thick wool felt around the perimeter of my round horns at times. Having owned a pair of ROGERS LS3/5a's in my youth and being amazed at the huge sound those little speakers could effect one tries to re-use ideas. Diffraction control is ...
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Hi The CatI forgott to answer your q, what I do.I 'do' management...heading up a team of folk for a large social services charity in Sydney. I cover training, occ health and safety, payroll, volunteering etc. We have 2000 staff.My interest in audio s...
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[quote user="coops"]Yes primarily i viseted Thomas to compare tonearms, he has a couple of Schroeders, the new graham Phantom ( mark III ) a vintage Ortofon amongst others. and he has a fine collection of cartridges, as I mentioned he is a very nice ...
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Romy, I was delighted to see your video monologue, and I look forward to following along your new journey.No speaker can reproduce the reality of a live musical event for various reasons, and all speakers are by their nature a conglomeration of engin...
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Rather involved discussion about Helmholtz-type speakers. Here's another proponent, Hans Kortenbach:https://www.youtube.com/watch?v=LHBlikzKoRgI have only "heard" the Musical Affairs speakers on YouTube, but I have to say, they are able to do some s...
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Hey Anthony,Your project is going on track (and looks like a very good track)! Just a reminder about the room acoustics. You are talking about bass frequencies which are as dependent to the room as the speaker! Before installing your speakers into y...
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Hi Romy - Yes, the sub is Bruce's seismic. It is big as a refrigerator, and the idea of having 2 huge boxes in this little room is, well, intriguing.... Being new to subs, isn't there an obvious danger of over loading this little room wit...
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Dear Malinowski,
Here are the input data used in the HornResp simulation for the tractrix midbass.This is a 117cm long tractrix horn with the TD-1201. Throat area 84 cm2, mouth 10000cm2 with 5,6 liters back cavity.Ang: 1Pi; FTA 89,80; S1 84;...
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Dear John,
I hope you don't mind me writing directly to you. I've been posting on Romy the
Cat's audio boa...
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Romy, does it not seem that the things you hear with ported bass would only be magnified/multiplied if you added significant enclosure resonance up the frequency range? I am the same way with horns, in the sense that I hear the damn h...
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There is nothing as funny in internet high-end audio as learning about silliness of horn people. I have a huge collection images with different horn installations, one more silly the other, but any day brings the new pearls…
Here is a guy form ...
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Keith,
you see, in Alphas the MF driver does down to let say even 500Hz then it mans that they need to bring those bass W-bins unto 500Hz but it is imposable even theoretically. Let me to expanse, it I very simple. When a “reflected” horn fires up a...
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From ghoulies and ghostiesAnd long-leggedy beastiesAnd things that go bump in the night,Good Lord, deliver us!Anon[quote user="Romy the Cat"] I personally prefer when I sit in my listening spot and look at the speaker then I would like do NOT see...
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Romy,I could not agree more! The only reason that I mention it is because we do see enough speakers with exactly these acoustic instrument problems: energy that leaks through the horn material, ringing from undamped material, wrong cutoffs (a trumpet...
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This is our first offering; we are indeed working on another two higher priced models. One will have an additional channel on top, the other one will be front horn loaded down to 40 hz. Optional finish and colors, both for horns and supports, a...
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I half of my site dedicated to bitching about the problems with time alignment what it is imposable to do by pure real-estate efforts and a lack of clarity how it could be resolved properly. Sine this subject is the prominent for any horn user I deci...
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[quote user="Wojtek"]This is probably the reason I can listen to EV Patrician IV in relatively small space and close to the speaker without much of fatigue. The other factor must be that it's 4- way design with narrow band-pass for each horn. E...
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Interesting concept but let me point out a few considerations.The diffusor does performs a mild "equalization" function if you want to call it that but it is also an aid to dispersion. It is light "EQ"...3dB might be about right. Without any diffusor...
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[quote user="coops"]Cessaro in fact make a spherical brass horn for the 703, drop Ralph a line ( at cessaro ) I am sure he will be answer any queries.[/quote]
Keith, if they do it then it is good for Cessaro and indicates that they are not damn. How...
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[quote user="serenechaos"] I started thinking about all this due to Bert Doppenberg's Swing I heard @ RMAF. He said some people prefer it to always be vertical, but he prefers it with the mid and high (co-axial horn to the outside, and the bass...
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Romy wrote :"...Do what I did. Stop experimenting with horns and begin to actually USE your playback..."If I am in the house and not sleeping, the system is on."...If you still have an itch to “think horn” then insult others about their wrong horn mo...
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[quote user="Romy the Cat"]
2) I do not think that you will be able to time-alight the upper bass channel but you need to wave-align them. Make sure that upper bass and MF tit the top of the wave at the same time. the w...
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[quote user="jzagaja"]To make the story short Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One...
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[quote user="jessie.dazzle"] Romy wrote:"...Let pretend that you play a normal some kind of horn with a lot of air in it. The air drives the driver impedance down..."I'd like to understand this; correct me if I'm wrong:As soon as the membrane of a ho...
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Eventually the Second Milq is converted to work with new room and new midbass horn. Not I have the complete Melquiades/Macondo setup that is more or less optimized to work in my need room. The Sound is very pleasant and not is the fun time starts. No...
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[quote user="manisandher"] For the past few months, I’ve been looking for a solution to a problem – how to recreate through speakers the same sound that I get through headphones. [/quote]I very much applaud to the desire to have speakers that do ...
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Similar experience but I get to keep my "old" room. I have just changed my 5 way horn loaded down to 140 hz speakers to a friends room twice as big as mine, with an open back area into the house as your new room has and one side and the front have hu...
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None of the commercial speakers might relay on the Imbedded principles because the obvious reasons. They always look for as neutral as possible location because they mostly designed for anechoic operation. However, if the Imbedded techniques are used...
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