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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="drdna"] To me, there are three types of problems:
1a) grime piled on top of a record1b) defective vinyl piled on top of a record2) scratches cutting into the vinyl
Type 1 deflects the needle upward and Type 2 deflects the needl...
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[quote user="drdna"]What specific objectives did the air caps address in the circuit? You refer to the tempted virtue sound but I am unsure as to the goals that you were trying to achieve with this circuit alteration?[/quote]Adrian,
I what wro...
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Greetings,
I may be able to answer some questions regarding crossovers, multi-amping, etc. - without getting bogged down, hopefully, in metaphysical issues.
First off, I live in San Francisco, if he's inclined 'drdna' and other locals are wel...
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[quote user="drdna"]
Yes, we all have a place we like to sit for live music, where the resonances and interactions with the space and walls of the hall to give us an effect we find most pleasing.
We readily accept this for live music, w...
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Romy wrote :
"...What I would do next is to lift ground at the 2000PP input – and then ground the PP2000 to your own ground. Make sure that no other devises on your playback use the main’s ground..."
drdna wrote :
"...I did this already; it...
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[quote user="starboy"] Romy wrote... He will go away over it in a few years...
That he may just like Fannie mac or whatever, until then I guess he will be hand making those carts in his workshop. [/quote]
Actually it was my typical mistype. I met t...
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[quote user="drdna"] What was more concerning is today some 60 Hz hum also re-emerged in the system, sounding like a vibrating cell phone going off in the back of the room. It was interesting how it was sort of localizable, but the hum is annoying. A...
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[quote user="drdna"]
Romy the Cat wrote:
At even higher level the “imaging” and “soundstage” merge again but soundstage there become not the soundstage of musical even but a conditional horizon of a listener listening consc...
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[quote user="drdna"]KR Enterprises 2A3. Minimal mechanical resonance. Solidly built. Very good, even reproduction of music across the frequency range. There is minimal harmonic distortion. The HF, midrange, and LF are correct. The reproduction of the...
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I think it is a simple case of different strokes for different folks.
Drdna writes about communicating the essence of sound - I write about the essence of music. He writes about wondering what Coltrane was thinking. I write about hearing him looki...
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[quote
user="drdna"]I waited for years to get my PP3000, but they DID
finally come through and deliver the product. It was worth the wait in terms of
the sound quality improvement.[/quote]Adrian, I am very glad that
your PP saga has succeeded. I ...
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[quote user="drdna"]
Having received a bunch of tubes, I have spent some time listening….[/quote]
Yes, it looks like the Sovtek 2A3 are remarkably bad, even I with my stinky Tannoy was able to get it. Regarding the rest of your comments I ha...
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1.- Finding specific solutions to specific problems[quote user="drdna"] .... I have high-sensitivity horn loudspeakers and use some 2A3 SET amplifiers, which make very good sounds but I am looking to get closer to the Sound, which to me is feeli...
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[quote user="drdna"]This is sort of a sideways answer to this question, but having used power supplies with vacuum and soild state rectification, I also played with Allen Wright's SuperReg circuit and I really liked the way it sounded. A more stable ...
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[quote user="drdna"]Maybe it is important to ask what the problem is that moving in this direction is addressing … [/quote]
Yes, the 30 drivers approach will ruin anything else BUT…
When you are a painter and you just did a wonderful portra...
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[quote user="Romy the Cat"]
drdna wrote:
but let's not forget that we should never equate equipment prices with sound quality. Absolutely disagree. This believe is the most ridicules accomplished that audio propaganda impl...
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[quote user="drdna"]I have found the next obvious glaring problem, which is contributing to the muddy sound I described earlier. There is a mismatch between the two channels. The right channel is very slightly softer than the left with a ...
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[quote user="drdna"]Thanks tuga. It is a nice article, but my French is a little rusty. It seems that he does very little more than explain the limitations of stereo versus binaural reproduction.
From this came the schools of thought of quadropho...
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[quote user="drdna"]After seeing the variation in the sound of the TU-X1 to the quality of electricity, and thinking about recent discussions about the Direct Heated Triode, I would like to start a compendium of anecdotal observations of the idiosync...
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[quote user="Romy the Cat"][quote user="drdna"]I would like to start a compendium of anecdotal observations of the idiosyncratic nature of COMPONENT PLACEMENTS in the circuit. [/quote]Surely all passive components in the circuit have influence, but I...
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[quote user="drdna"]
Romy the Cat wrote: My attitude with my main TU-X1 is “do not harm” as I pretty much have no complains of frustration to it’s sound and I would be pity to loose what I have now from this tuner. I have some people tol...
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[quote user="drdna"]Romy,
I believe the cartridges are manufactured form Decca by JS Wright in London.
The suspension is less of an issue since the Decca cartridges use a novel transducer. There is no cantilever. The stylus connects di...
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[quote user="drdna"]I would say we all commune with our spirituality through music. What Roman describes as the reproduction of sound without an emotional component sounds more like a description of the study of acoustics more than a way of tal...
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I admit I haven't statistically substantiated this to any great extent with commercial speakers (only with a pair of non-ribbon Genesis).[quote user="Romy the Cat"]
drdna wrote:
Lately, Romy, you have been saying again how ...
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[quote user="drdna"] I can tell you already it will work. I have experimented extensively with adding lengths of metal to cables. It works well, but you can do a lot more by fine-tuning the amount of metal and in fact adjusting it slightly from l...
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[quote user="Paul S"] Given speakers that can be driven dynamically by single stage amplification, there remain a host of issues, and among those issues is color. Most compression drivers are color-challenged to begin with…[/quote]
I would agr...
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[quote user="drdna"]I would not restrict myself to the idea that things need to be a certain way or a certain configuration of the drivers or ports based on theory alone. I think it is important to ask what is interesting about the sound that the new...
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[quote user="drdna"][quote user="tuga"]I too am very tuned into Romy's Unvollendete. The way I see it, it somehow synthesizes the way an evolved person (which we all aspire to become someday) approaches a work of art.
And I agree that "a certain" ...
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[quote user="drdna"]
Andy Simpson wrote:
This type of test is more commonly called DFD (difference frequency distortion) and is sometimes used in microphone measurement to measure acoustic/mechanical non-linearity.This is in...
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[quote user="drdna"]
First, it may be more important to have a
consistent waveform, which can be regenerated from the Tesla battery. If we
have a consistent waveform, then we have something to work with to be able to
refine the audio system t...
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