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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have to admit that after years of hating Black Gates and the unfortunately-proven ability of mine to recognize and the acknowledge the Black Gates’ nasty thing in Sound of a playback I got recently a different experience. I was listening last two w...
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I have no idea what this Tweeter is. The reference to the aerospace aluminum alloy and Lamborghinis very much suggesting that the tweeters are crap and the guy who make them an idiot. But will not be too fast with conclusion and I am accustom to see ...
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[quote user="Petrasescu_Lucian"]
Thanks for the info Meiko41 !At what load (the percentage on the display) does the noise from the capacitors becomes annoying ? Do the fans stay always on or they kick in when you reach certain temperature ? I gues...
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.... last week I opened my ups/regenerator and found some things that deslike me , I know that not always better componenets make a device sound better ,but I do not want anything that goes against my princples , this is very personal . Tha capacito...
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Here is a stupid need of DIY audio level. As many of you know am big lover of Nichicon electrolytic capacitors, even their lowers grade sounds right to me and never made to think about anything better. Still the Nichicon never stopped to surprise me....
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[quote user="mumford"] As we are discussing Lynn Olson's new speaker, here is what it appears to have so far.
Raal tweeters 5000hz and aboveAltec 288-16H with Azurahorn 1000 hz to 5000 hzsubwoofer below 80 hzUnknown (possibly open baffle) fro...
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[quote user="Romy the Cat"] [/quote]I really do not know what is going on and how to explain the phenomena; I just dump it to you “as is”. Because of multiple reasons I decided to drain the Milq’s power supply when the amp shits down. I have a...
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Thank you very much, it is very nice to learn about it. The dilemma that I see standing in front of me is following. In a 194 months, I have my Remies completed and fully operational, sounding perfect after 2 hours, let's pretend. Should I change th...
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Recently there is a lot of talk amond the audio hoodlums about the reported benefits of the V-Caps capacitors.
http://v-cap.com
They have good press and good feedback from DIYer and manufactures, the web sites that sell them push the “right button...
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Paul, Some good valid points... yes, they've gotten much better over the years, no doubt to technology improvements. A good example is Mallory CGS caps made in the 80's versus new ones. The newer ones are much lighter physically (same p/n), hence th...
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Dan
it is a slippery subject and I do not think that anything could be “right” or “wrong” in there. I generally do not “voice” drivers with section of capacitors. However, but it is not mean that I do not see difference between the capacitors ...
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The Japanese manufacture Audio Note by the infamous Kondo-San announced a new revolutionary amplifier. The name of the amplifier unfortunately could not be spelled or pronounced in English and therefore the US distributor Mr. Klein calls it “NDiP” or...
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Is it possible that you are listening and/or hearing things a little differently by now, having had the PP2000 as a reference for a while?The current traces seem to show what I hate about the capacitors in the "big power supplies", that they put...
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[quote user="Lx_"]As to the DC offset, I find it strange too obviously. However as it quickly disappears I am not too worried about it. Maybe this indicates a problem in the soundcard when starting the recording.[/quote]The capacitors, transformer in...
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OK, good luck with your experiments. Be advised however that if you use capacitors for high-pass speaker lever crossovers then those caps need to be aged. The amplitude of this effect wary from cap to cap but all of them in one way or other would ne...
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Phono Input Impedance MM setting: 47k ohm MC setting: 47k ohm or 100 ohm Output Impedance Unbalanced: < 100 ohm Balanced: < 100 ohm per leg Input Sensitivity at 1 kHz MM: 4mV in for ...
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I was slowing mingling the conversion of the power supplied of my second Super Milq from 3 channels into 6 channels and I ask myself: is anything in that amp is made in the way that would allow me to close it up and never review it. Sure if I move in...
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It seems the pure power 3000 diagram is like below :The battery voltage in new pure power+3000 is 72v (6x12v in 230v version) and the battery voltage convert to 330v by a switching dc to dc converter if i am not mistaken.What is your idea if we remov...
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[quote user="Resorob"]I realise that this is a very old post, but you might want to take a look over here=>> http://www.valvediy.com/simplexpg1.htmlThe article can be downloaded as PDF, the writer Ari Polisois developped a new kind of transform...
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Last year while I was in the search for my actual DAC I came across lossless site ... and now I rememeber on their dac they are using batteries as a an alternative mode to ac . Also I found very interesting the concept that they use in their cables t...
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This Christmas I wish for 100 hours in every day, so I finally have enough time to take the EAR phono preamplifiers, the second turntable, the tonearms, the capacitors, tubes and everything else and put it together. And maybe even fix up the secondar...
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Good link, Kris. What is missing in the link is the RL filters. The RC Low-pass filters are fine as the capacitors are not in the band-pass mode. It is arguable what would be better – a subtractive shunting cap or a few miles of coil in the signal p...
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Paul, Alinco magnets perfectly able to drop a charge "just like that" and I presume that it is what happened. If cause the environmental difficulties would not do it alone, at least for that time. Over winter I had output tubes worn up on both amps a...
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Ok, understood. By the way, Dayton Metallized Polypropylene capacitors are fine for this experiment right? I don't have to buy expensive ones just to have a good idea of the passive crossover sound quality? I hope not.-Herman...
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just keeping it warm probably won't help.It’s also the stabilization of the capacitors and other components. You must keep it on or allow several hours warmup time for best results. If class ab and not class a, will use little electricity....
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The major question in the circuit above would be what the minimum values of the last capacitors (currently they are market as 1000uF) would be necessary in order the LC chain “do not see” the loaded output transformer and the plate of the tube. The p...
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OK, the next step is kind of done. All transformers and chokes are done form “outside” of the amp (under the bulge). I have attached the capacitors and the output transformer to the “inside”. This silicone attachment that for the computer grade...
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Sounds like they have a problem with current capability of their chopper circuit, the one that takes the AC voltage and cuts it into very tiny slivers before rectifying it to DC. Obviously the AC reconstitution circuit has adequate current capability...
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This reminds me. Back in the days, twenty years ago, when we were experimenting with small portable players like the 3400 -- we found they sounded best with a quality battery shunted with capacitors. We used oil types. The results were better than al...
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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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