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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I recently dealt with two manufactures that produce music . I noted that both of them stated with good result but nowadays, years in operation, they produce despicable crap. This correlates with a famous amplifier manufacturer, very much not stup...
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Potentiometers:
Paul S wrote:"...I could not get the current below 390 mA, even though the pots still turn freely
... How good are these pots? Do they actually have "stops", where they won't turn any further? Again, I ask because it...
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Lots has been written already about tube replacement, but I want to mention my recent experience when replacing the 6C33C output tubes (V2). I had the previous tubes in for only about 1 year; in this case I estimate about 300 hours, althou...
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I understand that this is just an excercise, but one thing I keep coming back to as I experiment with hi-fi is to try to minimize the number of changes I make at once so I can - hopefully - keep track of and sort out what each change brings to m...
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[quote user="anthony"]Exactly that, my sources do
not play loud enough through the Melquiades or DSET. Like your OPPO, they
only put out about 2V RMS which seems to be the modern standard and I need
more. Can you remember what input voltage ...
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[quote user="Romy the Cat"]David, you are thinking like a basement TT maker, which is all todays TT makers in one way or another. The reality is that no one need TTs and the makers happy to make and to sell 5 turntables a year. For sure it is expensi...
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On the face of it, the AF1 represents a "finished high-end product". Clearly, it is well thought out and presented in this way, and this closing/finishing effort was not cheap. And the reasons for this are well understood, because only in this way ca...
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Hm,… yes and no. Inductance is not necessary an evil. Well, it is an evil for open-top-end drivers but you need to look at the life of compression driver all around and then you understand that inductance is not limiting evil. Sure with grow of diame...
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Generally it is very uncharacteristic subject in audio: the destiny of audio reproduction. Destiny might be only with something that has its own lifespan. Audio reproduction is in a way an imitation and therefore should hot have own destiny because i...
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Nope, it does not miss anything. They offset the 75msec in input using the inductance of cartage’s coil (I quess they do not use MC). Below is the original thread. You need to buy a chocolate cake and to do a foot massage to your Russian mistres...
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Dolph,As anything else in audio I do not see the problem that we as experience in worsening of FM as technological problem but rather the failure of human factor. I have no problems with the fact that FM is digitalized and that most of the “live” FM ...
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It is it; I officially close my books on my Shelter as I refuse to understand what it does. I pulled today from my shelf my collection of earliest Denon PCM recordings on LP the Denon record in end of the 78s. I generally do not like this entire seri...
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I started in hi-fi with LPs and I have never stopped using them as my principal source for hi-fi. Some time ago I decided that master tape was better than vinyl, but I could not afford to go that route; so I settled on the next best thing: a cartrid...
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Here is a Thai guy looks like built my “End of Life Phonostage”
http://www.kaponk.com/node/715
I do not see nether input choke or air capacitors in correction chain. The most important I have no idea what step-up transformer he us...
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[quote user="Thorsten"]While what you present is an admirable thought experiment, I can assure you that the premise you posit:"people who are familiar with the way how life music impacts them will painlessly adjust that EQ and will end up with very m...
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Romy wrote:"...I will most certainly do not need it to go over 1000Hz, why would I? It is very much not my objective. All the I would like to do it to give to Fundamentals Channel some room from the bottom to breathe..."Three reasons:1) To try hi...
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[quote
user="steverino"] Later after the PP battery was replaced hum disappeared
forever.
[/quote]
Interesting. What made you
to replace the battery? The reasons I ask is a because an old buttery would not
be different for powers supply then ...
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The system is still very much a work in progress, but I have come to the conclusion that the concept as such is very, very good. It's only up to me to make it sound as well as I know it is capable of. Making and fine-tuning the crossover might take m...
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Looking at my current 834PT phonocorrector I decide do not convert it into the “End of Life" Phonostage as it is good as it and I would like do not ruin it – I will always take advantages of a good MM phonostage. I took the Expressive Technologies ET...
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I recently could not pass up a good deal on a EAR 834P MM, so I will have the opportunity to compare it to my current phono stage. It is funny since I had planned to listen to EAR phono stage in my system about 10-15 years ago when I lived in Santa M...
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Well, when we are talking about Cogent we need clearly differentiate two things: the Cogent’s drivers and the Cogent’s installation. The problem is that since Cogent’s drivers are something so called “compression drivers” then their performance might...
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[quote]Also, Jessie, there is another very important point. A construction of your systems should not be a pure DIY efforts or it will be just another stupid DIY project. Your should have none-DIY objectives and use those horns to resolve those none-...
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and this is the huge decision.. although Steve and Rich's drivers do have the potential for extremely wide bandwidth, I feel that the first decision when designing a horn speaker is to decide how many horns and the corresponding crossover points...
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Ok, I think I've finally vivisected my ham--it's connected to the rectifier switching (at least some part is).Below is the waveform of the loaded HT secondary (red trace) and the signal from a search coil catching the leakage flux close to the transf...
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[quote user="N-set"]Oh, Romy, I meant the air caps in the corrector loop of course!!!Adjusting PS caps I leave to AA morons and alike.Believe me or not I did go very serious about the proper choke input operation.What I meant is that I have to ge...
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As I've said before, I consider myself a beginner. I'll try to bear that in mind as I write this, but it would be wrong to say that I have not amassed some experience on the subject. That experience would have me believe that most don't invest the ti...
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[quote user="jessie.dazzle"]I could not agree more. Above a certain price point, another thing that should be standard procedure is what Lamm has been doing since day one; and that is to establish a file for each component made, recording whenever p...
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[quote user="Romy the Cat"] Well, I figured out – if digital is dead then I need to put the heavy artillery in the fight I begin to spin records. With my TT setup I have an interesting tool - I run my input-choke powered “End of the Life” Phonostage ...
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Hello Everyone: I would like to provide some explanation as to how payments will be handled. You can pay by credit card or paypal, directly to Audio Components of Wokingham. John Bryant, owner and director of Audio Components UK Ltd (Tel 00 (44)118 9...
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Well, spent a few more hours to listening Avicenna. Although it has much better sound then from the wall but there are a lot of moments in this sound that I do not like. It is kind of freakish and demoralizing as Avicenna feeds system with absolutely...
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