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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I looked at the schematic for Herb's 300B SET many years ago. It's been copied and slightly modified by many.... personally, I would not use it for a 300B amp... then again I probably wouldn't use it for a 2A3 or 45 either (I think my input/driver d...
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[quote user="KOTriode"] On dynamic, the 6C33C tube showed its ability to go deep in the bass on Ray Brown trio recording of Soular Energy which is excellent for a 15W SE , the 845 amp can do better, but not by much, but probably because of its 25W ou...
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[quote user="Saturntube"] Anyone has some sort of comparison between compression drivers against cone (dynamic) drivers in a this huge mid bass horns, or even upper bass horns. All I heard are this guys from Germany with the out of reach expe...
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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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I was thinking about it in past. I do not particularly believe too much in point source. We have no vertical resolution by our hearing and if drivers located strictly in a vertical line then in longitude domain they are single point source. Of course...
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Anthony, it is not the subject of this thread but I am replying you since you raised a question. Is there are a lot of conspiracies about Tannoy vintage crossovers. They did many different versions and all of them well known. If somebody need I can h...
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[quote user="drdna"] I am kind of disappointed, since you typically advocate a very careful and systematic way of proceeding. What do you mean by extremely different positive?[/quote]Well, I it what it is. I am not DIY-Moron and I do not do und...
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i will give you this much - horn loading ribbons is fundamentally not as advantageous as horn loading dynamic drivers. this is because ribbon mass is already close to airload mass (in theory could even be less) and little extra efficiency can be ext...
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Below is the very same fragment from the very same LP (also not original but re-issue). The file is 88/24, FLAC compression.
http://www.mediafire.com/?bpgxdbru87fkx8x
The sequence of signal is following:
Ortofone Jubelee in SME 3012R ...
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[quote user="tuga"] Don't you think that this “soft reading” players with no rythm syndrome could have mainly to do with dynamic compression, which is as much a feature of many "analog sounding" CD players as high frequency roll off?[/quote]
I...
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Hi Romy, I recently heard the smallest Cessaro and while I felt that the bass was not adequate for long term satisfaction it was also not a total disaster. From the midbass on up; however, the speaker is simply superb and one of the very best h...
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[quote user="Stitch"] I wanted to do that, but they are so rare and I found nobody to visit. [/quote] Well, let me give you my version. I know ML2 quite well and I made a number of people to buy it, not soliciting them but rather demonstrating to t...
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Last week a friend of my visited me and we spinning some great records were talking about records collecting. He asked me what is my favorite Records Series. Thinking for a while I told him that it was a Series of record by "International Festi...
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[quote user="Romy the Cat"] noviygera wrote:p.s from my experience of having a 500 sq. ft. listening room with 7 ft. ceiling and having two 18" woofers in a infinite baffle configuration, it is not enough to pressurize the room. I am talking about lo...
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Hi,[quote user="morricab"]no mention by the manufacturer what brand of autoformers are in use (or if they roll their own). [/quote]
There is one thing I can say. Nickel Lams are bright, shiny and light coloured. Steel lams are dark and dull. I...
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[quote user="behhl"]As well, it is 15 ohm, and one of the few monitors I can drive with my SET reasonable. All other monitors I know demand so much more amp and I still cannot understand why.[/quote]
behhl,
This is a part of bigger subject. T...
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I have today a local audio guy stopped by in my room and listened my playback. I have almost painful reaction from this listening session and could not wait when it will be over. The playback sounded very unpleasant, I mean so unpleasant that I w...
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Who read the article above about the Lamm L1 and Lamm L2 preamps knows how high I prize the effect of spacious reengineering that Lamm preamps do. I call it the X-factor and was not familiar what it was and hot it was accomplished. Obviously it was d...
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As some of you know I’m playing last couple days with Red 10” Tannoys from 60s. My selection of 10” was not accidental -I would like to get as less as possible of that “Tannoy bass” but I did run very far the “Reds” turned out to have 27Hz open...
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[quote user="Romy the Cat"]Now how much better would be if people abandon that idiotic SACD/DSD and Mark Donahue would record BSO right in PCM at 88.2 kHz/24bit or 172.2 kHz/24bit format? Then the files that we get will be as close to raw master file...
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Hi everyone,Ive been tracking this exciting conversation for some days. One from outside may think this is weird, we are making a lot of air about some sound-description without getting to the point. Im (or was) normally more rational. And if I read ...
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MochaMike, yes you are correct it would not be the “softness” but rather”liquidity”. Still what you are taking is applicable for the paper cone 4 to 15" drivers not compression drivers. Who knows how the compression drivers will react.
To the rest ...
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[quote user="Vasyachkin"] i will give you this much - horn loading ribbons is fundamentally not as advantageous as horn loading dynamic drivers. this is because ribbon mass is already close to airload mass (in theory could even be less) and little ex...
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[quote
user="martinshorn"] What Klaus also highlighted, is the importance to
him to unlimit dynamics - in order to achieve the most live-alike sound. First
of all, he noticed that Goto pleases him the most with uncompressed transient
attacks more...
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[quote user="DHT4ME"] … Suspensions either harden or soften. [/quote]
Actually I know everything (:-) about the suspension and VTA. I can hear VTA very well. In fact contrary to what people say the Shelters are very sensitive to VTA. My feeling is t...
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OK, now I recognize my S2 driver, thank God.
I was give to my new PS for MF channel one more change today to show itself off. I relayed the Hartmann ‘s first movement of the Shostakovich First Violin Concerto. As I said above the progress was very n...
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[quote user="cdwitmer"]I'm probably revealing my ignorance by even asking this, but I'm curious to know if a field coil ribbon tweeter could be practical. It occurs to me that if one could be made, it would be a lot safer since it wouldn't be a black...
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I kind of feel that I am way off in my familiarity about what is going on with new audio products. My horizon is very restricted with my own needs and with my own interests. I am irregularly read audio publications and irregularly visit some audio si...
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[quote user="haralanov"] Rakesh, during the last year, there were some very important moments in my own realizations about the methods of low frequency reproduction. I totally abandoned my Scanspeak bass modules and now they are resting in my gar...
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I am kind of semi-evaluating a power amplifier now and think about the following: there is a correct relation between harmonic content of amplifier and it’s dynamic aptitude.
I have heard many amplifiers that run across the dynamic range with a tre...
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