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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"]As some here may remember, I purchased a number of years ago, before the debacle and attempted coup at PurePower, a nice Pure Power 2000. It always suffered from a slight buzzing when plugged in, which I feel was due an internal g...
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Well, you can’t use Gogol Suite as some kind of reference in term of gain. The Gogol Suite was record by Pope Music at very high dynamic range they have very little compression. It feels like very soft volume recording as a result.
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[quote user="floobydust"] Some very good points here... if I downloaded the correct schematic from your site for the 6-channel Melq amp (also has the term DSET in the title) then you have created a 6-channel SET amp with built-in crossover points. Yo...
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Romy,
can I suggest you read about the amplifier in question before making comments?
The unit uses four tubes per channel - three drivers and one output tube. The unit has zero negative feedback. It is as pure as they come.
Directly heated ...
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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="N-set"]
They have figured out a way to
eliminate this but it requires making a new PCB to replace one in the
PP2000. So they say they are going to make these and hopefully the
replacement PCB will be given to me in a month." [/quo...
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[quote user="Romy the Cat"]This is a whole point with the screens. I spoke with the guys who practice HT and the gave a whole lot of information about screens p I kind of find it ridicules that they are expensive and I find it not true that they are ...
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Romy, sorry if my outspoken attitude toward Pure Power bothers you, or your own solution to the problem has blunted or greatly narrowed the focus of your current interest. I think you mostly get where I'm coming from and you just don't like it, and y...
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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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I do not see any major changes coming in 2009, nor do I feel a need for them. Recalling all my dids and my thoughts here a brief outline of Audio Projects that I will be involved in 2009 and of cause anything else might come alone in future…
1...
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I just received PS Audio June Newsletter and have written a reply in a format of an open personal letter to Paul McGowan. Below is the text.
Paul,
A new round of my experiments with curing electricity made me to write up this open letter. I did not...
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I would like to extend my last previous post a little. First off all, I would like to remind that I am very much not an expert in usage of transistor and second - I would like do not convert this thread into those DIY desecration: as you all know I h...
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Chris, I have no experience with good sounding SS amplifier that might drive high sensitive horns. I also have no expertise to build such an amp. From what I trued before I have learned that in order to sound more or less acceptable the SS should run...
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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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I read one more page from the Tenor description, before the author begun to talk about sound. A correction need to be made, from the first pages I understood that the amp use 6N6P driver but on the next pages it was not the case. Perhaps I confused s...
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I have heard hundreds and hundreds of audio systems and mine is by far the best. Honestly nothing even comes close. There is a scientific reason for this. MY system starts with a PERFECTLY tuned room...something overlooked by ma...
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[quote user="Antonio J."]You can find a brief description here: http://www.salicru.es/index.php?id=1678&L=2 My unit is a RE-1009 2T, which means has double transformer, but it's not the extra noise filtering model which they call NS. Looking at t...
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[quote user="rowuk"] Amir wrote: rowuk wrote:Amir, I certainly will not argue that many professional musicians have „easy playback“ with no demand for audiophile artifacts in their sound. This is often because they are drawn into the music at a „diff...
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[quote user="noviygera"]Kris,thanks. Here's what I have:>>There is a
caveat: The combined input impedance of the power amps must be at least
10 times the output impedance of the preamp. Otherwise the load will
kill the sound of your playback...
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[quote user="starboy"]I would have left this alone but the facts and truth will out...
1) The Mantis was well known to me and others around me before Andre joined V.E. though maybe not to you Americans.
2) There are possibly 2 owners other than mys...
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[quote user="rowuk"]Amir,In live music, we have intermodulation. Two trumpets or a trumpet and oboe playing together create sum and difference tones that change depending on pitch interval for instance. For music in major keys, this intermodulati...
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While the pure power units are the best I’ve heard at removing ac grunge, they are still not 100% effective.
Last night my listening and video session was unbelievable. We had about a foot of very light soft snow during the day.
As soon as ...
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[quote user="Ronnie"]"would it mean that your use the same type SS receiver for MF channels as well?"<BR><BR>-Da! I'll do better.[/quote]Ronnie,
I did not realize that you drive all your horns with those cheap SS receiver. You absolutely...
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[quote user="serenechaos"] I do not know of importance of enemys death to this topic. [/quote]
Oh, this is a sheer pleasure but do not call that dirt enemy. He is not enemy but way beyond it, he is the person about whom I have a death-wish as ...
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I have not tried this yet, but it looks very promising.
Studer makes a wide range of off grid solutions. One example is used for sensitive recording, a Studer AJ400 pure sine wave inverter connected to a car (or better quality) battery putting out ...
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[quote user="JJ Triode"]Romy, take a look at EML 30A and its cousins:
http://www.emissionlabs.com/datasheets/EML20B.htm [/quote]
Yep, thanks, JJ. Still the EML 30A has a lot of gain but it has also very high plate impedance as well. As much gain w...
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Sorry Paul but your post makes no sense.
Firstly one minute you were clearly unfamiliar with the circuit and amplifier in question, and now you are suddenly really au fait with it's sonic characteristics. Forgive me if that takes something of a qu...
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[quote user="Romy the Cat"]I did not say how my saga with APS Pure Power regenerator finish but it never finished. Since the end of the last year the regenerators is sitting in my closet and I have sent the unit’s main board to APS people for the “re...
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Audio people frequently go astray in their thinking and actions and this creates a good breeding ground for all possible audio sale opportunists. I would like to explore one moment that has not a lot of public attention and to look at the moment slig...
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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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