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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="serenechaos"]I don't know where this goes, so I'm just starting it as a new thread; please move (or even edit or delete) as appropriate. After reading too many wondourus reviews of ceramic driver speakers in general, and only havin...
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If we look generally at stability from bridges to optical measurement benches, mass has one function - tune resonance or place it outside of the desired passband. Other methods are chosen when we want to convert energy to heat.Do we know what a "ligh...
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I have come across this company mentioned in a preview on '6moons,' and the information on the company's website suggests that this is in theory really a complete solution, and one that makes sense even to the non-engineer that I am to...
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Romy,Thanks for your thoughts.Very interesting your idea to take 110v from half the secondary straight off the pole... I am trying to confirm with the electric company that this might be possible... Otherwise I've got some climbing gear&nbs...
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[quote user="Romy the Cat"]
I always was kind of afraid of it. Any single zillion years tube I see is “NOS in box”, “measured as new” or “never work”. So, I wonder where those uses up old tubes are gone? Do people trash them or juts sell them “as n...
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Let start from far away…. Sometime in the past, while I was fighting with bad electricity, I was trying a variety of symmetric transformers. I do not know if they were implemented as good as they should (I doubt) but I detected an interesting common ...
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It is difficult to say below what frequency there is no sound registered, the lowest fundamental on a double bass is 41Hz and the A0 on a grand piano is 27Hz, both these fundamentals and at least one harmonic thereof would probably be recognizab...
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The BSO’s session was opened today, welcome back James Levine.
The concert was ridicules in a way. It stated early. The fist past was Glinka’s Ruslan and Ludmila Overture. The Overture was a nightmare. The dull and boring orchestra was juts re...
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Arthur Bliss
String Quartets nos. 1 and 2
The Griller Quartet 1943/1950
Dutton CDBP9780 2008
This is a revelation for me - on all fronts...
1. Music. I don't know how I have missed this fabulous music up till now. I'm ashamed to say that I...
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It is even hard to critique because it is beyond of being ignorant of stupid. The John E. Johnson’s review of Lamm L2 preamp in the “Secrets of Home Theater and High Fidelity”. Below are the fragments of the John E. Johnson’s pearls… Each quoted stat...
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Well,
The most miserable things about electricity that you never know what to do. I had in past different filters and mny imaginable power gismos, a number of isolated transformers, balanced transformers, regenerators…
For a couple years I was runn...
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[quote user="guy sergeant"] I suppose the question then is, does the SL600 then sound more correct than your normal system with 'better' amplifiers? Don't you still find the sound of the woofer to be too smeared, slow and dark? [/quote]
Actually the...
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[quote user="mark"] this will start to go down next month if john sends his bidat when i return to canada next week.so you see i am on an interesting parrallel path perhaps. [/quote]
Taking about the parallel paths… My Bidat in Canada as well and I ...
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[quote user="Romy the Cat"]
Rakesh posted an add at DiyAudio site, in wrong forum in my view but it is what it is.[/quote]However, in an earlier post, where you suggested that I was knocking 'at the wrong door', you wrote:[quote user="Romy the Cat"...
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The Multifaceted Random Dipoles – what the hell is it?
Well, this is what Eugenie’s uses, perhaps without realizing it. I do not know how Eugenie came to it. I presume that he was buying over the years the drivers on eBay and now he decided in...
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The throat diameter of 7" is what I first approximated as an acceptable size, with the 4" being an alternative (should some unwanted effects arise, I may then experiment with the 4" throat). I can't simply assume 7" will be correct (though that...
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ROWUK says "I get much
enjoyment from the Norwegian Radio web radio. They have a wonderful mix
of the music that I like which is orchestral and advanced chamber music.
They broadcast at 192KB which is not super fidelity, but their cho...
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[quote user="jessie.dazzle"]Upper Bass : Frequency range between 100 and 500Hz – Driver loaded into a 120Hz straight horn, driven by DSET dedicated channel. Mid Bass : Frequency range between 40 and 100Hz – Driver loaded into a 45Hz straight hor...
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Okay so I got the NOS Sylvania "Spring Top" dual filament 2A3 tubes and have been listening to them for a while, now I am ready to make a report on the tube.
The tube is well built and structurally sound. Tapping gives a very small "tabla" sound ...
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I think my new room and new midbass horn will give me an opportunity to play at the NEW LEVEL with a notion that I have been chasing for years. I am taking about perceptual shrinking of frequency response. I need to admit that most of the ugliest...
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[quote user="decoud"]The only advantage your pilot could have over Macondo is omnidirectionality... [/quote]It might be a good idea under some circumstances but not truly necessary in my case. The way how the room our listening/living room is org...
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[quote user="Vance"] Romy, it takes several months for those blackgate caps to fully calm down…. [/quote]
Actually I take more like several decades and then 5 years after you each time shut down the unit for 5 minutes. I am known to be not a huge fu...
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[quote user="KLegind"]I am a big room buffoon. I like to see and hear a room and I like to walk around and "test" it. Sounds dumb but sometimes I can sit in a room and dream about what could be done to it in terms of Sound. It started around the ...
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Scott, you see, this is the problem. You do not talk about the problems “as is”. All what I was asking was the acknowledgment/recognition/identification without context of loudspeakers. Your listening/assessment awareness is completely grounded to th...
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Deciding for horns is actually very easy. Why:1) in the common sense range for each horn/driver they have far LESS distortion than any standard dynamic driver covering the same bandwidth. I define distortion as frequencies not originally in the recor...
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Continuing my observation about the Timbres and Audio.From what I said above it is very important to understand that Timbres in Audio are not the photographic density of the colors themselves but rather an ability of a photograph to differentiate...
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[quote user="rdrysdale"]So how do you suppose the proper DPoLS can be located? With a system like Steve Schell and I are working with, everything weighs hundreds of pounds and to properly evaluate changes would take days, maybe even weeks f...
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[quote user="kodomo"]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...
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[quote user="anthony"]Have put all my DHT's on the curve tracer to see if pairs can be matched for preamp duties. [/quote] It was very interesting to read about all of it. If you have a socket for YO186 then you can accommodate all 4V tubes and I si...
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[quote user="Antonio J."]Imagine you buy a cheap professional SS power amp. One of those AB or D class ones which can be bridged to provide 1,5, 2Kw or more. Imagine you feed it with a perfect sinusoidal tone generator set at 60Hz at its sig...
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