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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi,[quote user="morricab"]As to the best transformers souding more transparent than the best resistors, I'll believe it when I (don't?) hear it. You claim to have heard this but I most certainly haven't. [/quote] Well, the claim is no...
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Hi,[quote user="morricab"]the unit I tried (the Sonic Euphoria passive) did not live up to my hopes.[/quote]
Given my somewhat loose but existing ties with S&B and with Music First Audio I need to be careful what I am saying. But let me suggest...
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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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Hi,[quote user="morricab"]Thanks for the info about transformers. It is as I expected, however, that these passive devices are not passive sonically at all. I agree with you that the higher quality of the transformers should lessen the effects ...
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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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Hi,[quote user="morricab"]Hmmm....I guess I can't really see that unless you are enjoying a particular coloration you are getting from the TVC.[/quote] Nope. On this you are wrong. Based on direct bypass tests the TVC's I USE (that is the specif...
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[quote user="morricab"] I guess I view absolute tone a bit differently than what you describe. I think that each real instrument or person (as in singer) has its own "absolute" tone….[/quote]
Actually when I was taking about “absolute tone” I ...
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[quote user="morricab"] Fine, just don't call anything from playback Absolute. The only absolute is live unamplified music, it must be so as it is the original event. [/quote]Actually I do like the term Absolute and exactly in this context. The...
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[quote user="morricab"]Could you explain a little more about the amp? If I understand you correctly it is a 1 tube stage with solid state (Mosfet or Bipolar??) output. If it is Mosfet then it is likely to be running without negative feeda...
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[quote user="morricab"] Because I don't accept your basic premise of a new sound from scratch that's why. [/quote]Well, you are perfectly entitled to don't accept it, many would not accept it the concept, even more people would not understand it. Sti...
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[quote user="morricab"] You are also right that to get everything you want from an output transformer requires a VERY expensive construction and top materials. However; even an expensive transformer is no guarantee of success. [/quote]
Sorry t...
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[quote user="morricab"]I have a phono stage from the Korean company Silvaweld that uses the 5651 tube in the power supply as a voltage reference. It also is using a Russian 6C19Pi tube along with EF86 pentode as the high voltage regulator. ...
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[quote user="morricab"] Interesting test you have conducted. Were the responses mostly unflat near the frequency extremes or was there variations even in the midrange? The reason I ask is because if you look at most of the published curve...
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[quote user="morricab"]I do have a speaker with a flat impedance. It is an Apogee Caliper Signature with an impedance variation from 3 to about 4.5 ohms over the whole range. Fortuneately it is not so dead as your example as it has about ...
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[quote user="morricab"] Now my biggest problem with tone from horns comes from the "cupped hands" horn effect, which is really nothing more than the resonances fromt he horn itself. [/quote]The "cupped hands" is not the characteristics of horn a topo...
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[quote user="morricab"]It is a good question that I also asked when I saw this speaker. Afterall, everything being equal using the same materials for the drivers is more optimal from a coloration standpoint. My guess is cost. Personally, ...
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As most of us know, the answer to Sherlock's pointer is, the dog did nothing in the night-time -- and that was the curious incident. [quote user="morricab"] Romy sez: "I see things differently. My view advocates that playback creates NEW Sound from s...
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Hi Keith,
Great to hear from you. I will try someday in the near future to get to over there. Perhaps the hifi show in Heathrow? Hmmm...did you try contacting Vacuumstate directly about a possible demo? As you probably know t...
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.. and I have no problem with “few” of the metal domes implementations. I wonder if David Wilson “preference” for metal domes derives from the fact the he needs an aggressive upper range to get equilibrium to the noise of Wilson ports coming from Wi...
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[quote user="morricab"]
The finest reproduction I have heard was close enough to a real event in sound that with eyes closed you could believe that it was real even though you knew it wasn't. Then a slight imperfection or two intrude to remind...
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[quote user="morricab"] Used Wilson X1 Grand SLAMM. Not the best speaker but dynamic like a horn and less colored than most horns. Use with good tube amps and it makes a superb sound (with 95db/watt sensitivity and an easy load 30 watts is probably s...
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[quote user="morricab"]Hi Romy,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...
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[quote user="morricab"]Hi Romy, KR audio is making high power SET and parallel SET amps using tubes designed by them specifically for low frequency amplification (read as in not radio frequencies). They are getting the power with lower voltages...
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Morricab, I perfect concur with your findings and I come to the very similar concussions regarding the autoformers.
Unfortunately my experience with OTLs was much less exiting then yours. I presume that it is possible to get an "interesting" sound ...
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[quote user="morricab"]Well Romy, IMO they are not just tonally different they are more tonally correct, ie. they simply have less coloration than other technologies. Just listen to a recording sometime made with a ribbon microphone and you wil...
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[quote user="morricab"] "Let me to state it again and it is very imperative: audio does not produce the original sound it just reproduces it"
This is so obvious that honestly it doesn't need to be restated and I in no way implied or said anyt...
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Hi all ! [quote user="morricab"]
Hi Romy,
Could you explain a little more about the amp? If I understand you correctly it is a 1 tube stage with solid state (Mosfet or Bipolar??) output. If it is Mosfet then it is likely to be running w...
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Hi,[quote user="morricab"]You may be right. It would perhaps be worthwhile to look into "better" transformers but I am not sure that an advantage can be found over just going RCA to XLR adaptor into the balanced inputs and thereby bypassing the...
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[quote user="morricab"]…. putting the attenuator AFTER the gain stage has negative consequences for the sound….[/quote]
Well, yes and no. In the new 6 channels version of Super Milq I will be use 2 stepped attenuators: for Injection Channel and for ...
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The excellent post, morricab! There is secondary point in your post - the core saturation is not the fundamental problem of SETs but it is become an issue when we go for power. If you do not need to drive 92dB sensitive bass drivers with a 6W S...
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