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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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building a preamp based in the same tube you're using on the Melquiades and results aren't what you expected. Have you?I wish I knew how to do it, I'd love receiving a compilation of your favourite music. Anyway, why do you think you'll get better re...
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Yes , the idea of time delay machine is completely clear now . I made some experiments with analog and digital parts of the circuit , ewerything OK , and I need to assemble all the parts together , but now I am finishing the new hybrid class A amp - ...
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[quote user="Ronnie"]Not expensive, Small size...cheap and cheerful....[/quote]…which actually brings another question: “why there is not a lot 'better' SS phonostages out there?” I am far from possessing expertise to assess this subject objectively ...
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[quote user="Romy the Cat"]Again, it was very interesting, but… Let agree that methodologically you did not try Placette as it performance was masked out by you need to use your Neurochrome buffer to get gain. Your chain will sound as the worst eleme...
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[quote user="Paul S"]Of course you will give this Grande Dame ('54 - '55 ?) a fair shot with some new parts, apropos? Especially new caps?[/quote]
I would certainly would be very interested if someone with RF knowledge would rebuild the REL ci...
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Interesting that a notion of an Absolutely Transparent Stage is kind of bizarre. Let presume that we do have an Absolutely Transparent, musically and sonically, stage. The stage might be transparent only with own enclosed scope. If a stage modifies t...
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Paul, I clearly have no idea; I am purely fishing in here.
Regarding use of feedback in my buffer there was an interesting experience with it. Among the buffers that I tried there was two that used feedback: one was a an exact replica of Melquiades...
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Well, the conflict you pointed might sound reasonable but not completely.
The First quote is taken from a thread “Disregard Digital with Vacuum Tube
output”. In there I advocated do not look into D/A converters with tube output stages.
In was in 2...
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[quote user="guy sergeant"].... there will inevitably be some degradation of the sound with whatever switch you use and with whatever buffer you choose. I find that the losses incurred there are far less than the differences in quality between variou...
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On the line stage I currently use I haven't got around to fitting a selector switch so I really do have to change the cabling arrangement each time I want to listen to a different source. As I only really use 2 sources and occasionally an fm tuner wi...
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To answer the philosophical questions first - at least from my view:All apply, are measurable, BUT we have no correlation of the measurement to the brain of the listener(s).We are all ultimately responsible for our own behavior, so I believe that the...
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While the APS guys trying to figure out why this unit can not handle power (which more likely involved a phone call to China :-) I decided to give another try across everything, repeating my last listening, this time in relaxed environment with diffe...
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Paul,My current active crossover is a DSP unit which likely has low enough input impedance and single ended inputs. I added BAL inputs by using input transformers. By no means do I want to use this combination as a representation of my crossover! I i...
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It's kinda fun every now and then to try to figure out a BEP solution on my own. The following will illustrate why I don't do this very often...One problem that is very hard to deal with is efficiency, in the broadest sense. Without "hi-tech" compr...
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I'll take two of those decoud!It makes all the sense in the world but just doesn't seem to work that way. Al Moulton from Goodwins sat me down with that $5k Alpha DAC when it came out c.5 years ago and basically gave me the keys to that big room for ...
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[quote user="slowmotion"]How was the lower midrange affected by the tweeter removal? [/quote]Now the S2 is crossed at 700Hz with first order where the upper bass begin to dive. Since I use now a new line-level (yes my buffer project is over quite suc...
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[quote user="Romy the Cat"]Anthony, I do not know what you new buffer is. A few notes. The difference between sub 10R and 300R of output impedance is significant for the load you have (Milq) between your new buffer and your 10Y preamp. The type of th...
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OK, here are some follow up thoughts after the completion of the project. I am sure I will burn it for a month or so. I think everything will be fine, I do not expect any issuers technical or sonic. The way how the entrance to the corrector done it i...
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I am very interested in your DSET adventure, and is trying to learn more about the application of adding crossover elements into SET amps. Looking at the schematic, I noted that you add first-order passive filters before the first stage of your...
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I knew it will be happening. A could weeks back what I sorted my LP, it was much simpler ceremony then I thought , I give a birth to a large pile of “records of interest” that I would like to relisted or to listed as I do not remember them. I have ne...
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My point was that a volume control on the input of a DSP is the worst of all solutions. Either lose the DSP (best solution) or create a multichannel attenuator for the output. It will need low impedance to drive long cables - that means an active buf...
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Well, there are many full-function preamps. It is a common tendency nowadays to make an add-in board with phonocorrector to a line-function preamps. Recently even the full blown tube preamps use the j-fet phono-boards.
Interesting that I would like...
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Jarek, congrats on getting a project to where you can listen to it! Are you planning to use this with headpones, or have you used it with headphones? I saw it is "limited" to 5V in, but perhaps enough overall gain with buffer for 'phones"? I realize ...
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Romy, I suppose you have to buffer when you split the front channels, and you have to gain 6 dB. How, exactly, are you doing the split now, from, say, phono stage to rear speakers?Best regards,Paul...
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[quote user="Romy the Cat"]OK, here are some follow up thoughts after the completion of the project. I am sure I will burn it for a month or so. I think everything will be fine, I do not expect any issuers technical or sonic. The way how the entrance...
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The idea is that just as you might have a seat in your garden that captures a particularly attractive perspective on it, so you have a point where such a view can be combined with audio playback. That gardens are rarely silent and often dynamic (tre...
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Anthony, I do not know what you new buffer is. A few notes. The difference between sub 10R and 300R of output impedance is significant for the load you have (Milq) between your new buffer and your 10Y preamp. The type of the description you provided,...
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What it to have DC SS amp, in the way I have it but do not drive ULF from an amps but instead to put between amp output stags and ULF an 1:1 transformer, soft of a galvanic buffer. Would it be possible that galvanic connection would do some softness ...
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....to plug the cables? :-)[quote user="Brian Clark"]A buffer …. loses information in the process[/quote] This is execlty what I would like to challenge. ...
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It is a pity that Linx16 card does not buffer digital data in PC. If it did with the results you are getting, it would be possible to use PC as a music CD server or maybe a digital delay unit. I still wonder what would happen with an external master ...
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