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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi Romy,That looks very promising. I can't wait to hear your impressions once it has been 'trained' to work in Macondo.rgds,Guy...
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Hi Romy,Can't you offload some of these 'off air' recordings to CDR as .wav files, free up some hard disk space and then bring them back when you need them?(370GB is rather alot though!)rgdsGuy...
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It is pitty. Half of the 6C33C could be not used properly - if there will be 3 additional contacts for another triode. Then you could preserve the second triode, not applying any voltage between plate and cathode. What you do - you use on...
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Hi,I was really just wondering whether effectively almost doubling the rotating mass made any audible difference to the presentation. From your experience, it would seem not which suggests that the kinetic energy stored by one SX8000 platter is ...
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Hi Romy,Did you notice any difference in the performance of records played on the SX8000 platter once the 5000 platter was running with it? Did the additional flywheel effect manifest itself in any way?best rgds,Guy...
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Hello Romy,Have you tried recording and playing vinyl with your computer and the Lavrys? Even though the source is completely different than FM perhaps you might get acceptable results for some recordings?? Any success would be a great plus.List...
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Hi Romy,Have you made any further progress with this project yet?best rgds,Guy...
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Well - there is a technical literature related the cooling of the tube. According to it the temperature of the glass surface is not equall - it is hire in the places, where heater is visible. So - you can make a pair of radiators, at...
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[quote user="Romy the Cat"] I do not really believe in the ultimate ability of SET amplifiers to drive loudspeakers, at least any loudspeakers. [/quote]Well - I've heard a couple of such amplifiers, made by Mr.Juri Makarov. They did have more o...
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I have read once again the explanation of the Melq's project and find 2 interesting things:- load for full range amp should be 1200 Ohm - that is very good for the tube and provides good damping,- capacitors in case of LF channel - 20000 uF (!). The ...
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Roman, the reformation of capacitors is an unswer in many cases. Those, who use BG - have to spend approximatly the same time to bring the system to the proper sound, but your mind is not SO corrupted. You use relatively big tanks o...
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I have heard Lamm ML2's in a couple of different people's home systems. Did they know how to use them properly? Well either they didn't (quite possible) or the amplifiers simply lacked the virtues I would prefer.Tommy Horning is the guy who makes tho...
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[quote]How someone was able to make any stereo recordings in 40s if David Wilson, John Atkinson, the ringy Mike Framer were not born yet...[/quote]Very good point:)!Binaural (stereo) was patented in 1941 by EMI (Abbey Road studios). The record you sh...
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Romy,I have several power amplifiers each of which sounds different. I might enjoy some aspects of what one of them does but feel that it could do other things better. Another of the amplifiers might have different strengths and weaknesses. None of t...
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[quote]There are some evidence that Germans tried ”something: in mid of the 1930. RCA, Western Electric, and many others also tried to do “better” audio during that time[/quote]Apparently Siemens was making stereo recordings in the early '40s already...
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When I get around to making these I shall make them as close as possible to your detailed design. I want them to be representative of what you are listening to so I can better understand the elements of playback you feel are important. There doesn't ...
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Vp = 240v, Vg = -90v, Ip = 165 ma, RL=1k5, 10W, H2 = 6.9%, H3=1%, H4=0.2% I used it with cathode bias (used 50w resitor, backed by 10x200uF capacitor). How it sounded - warm and punchy. I had an amp with F-3 about ...
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Hi Romy,I haven't measured anything I was just looking at the data sheet for the valve. I was hoping someone could explain to me how a device with that much distortion could be any good. I am quite interested to build a pair of these amplifiers to se...
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forgot to mention,Melquiades Plate load 600R (into 8 ohms)'Other Condition' Plate load 820RGuy...
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Melquiades condition (both cathodes heated)Plate Voltage 220vBias Voltage -80v (-110v puts the working point in a ridiculous place on the curves I have)Plate current (according to the curves) 165mA approxPower Output 15.5 Watts2nd Harmonic ...
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Guy,
could you, please, specify the workpoint for the tube and workload you use in your comments.
SY, Genn...
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Hi Romy,Am I misunderstanding something about the 6C33C?I had a look at the operating point you recommend for this valve in your 'full range' Melquiades amplifier. The way you are using it seems to give almost 20% THD.Does this sound good or is it ju...
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Think about your amp as a team of players - where each tube as an individual. The higher q-ty of performers - the higher the time to get them played a capella. ...
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Roman, thank you for your thoughts. However - you decided to use 6E5Pi to drive 6C33C, and the filed of competition in this case might be higher - including those E810F, E180F, EL84.. or even 12AT7, or even (probably) WE 437. ...
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About a year ago I've take an interview of V.Lamm, and he mentioned his plans to release GM70-based amp. May be it is already on the market. Roman, could you descride your own observations regarding the Sound of Soviet tubes. ...
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There is a guy here in the UK who is a retailer but who also manufactures loudspeakers called Living Voice. He has several customers in far flung parts of the world where the mains supply is even worse than Boston. With the help of a supplier of...
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Well, there is always a field for concern regarding the size and internal resistance of the battery. Relatively small power bateries do make negative impact. Another field for concern - musical quality of the mains power in Russia an...
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[quote user="Thorsten"]I can now (given that this particular cat will be let out of the bag) cofirm that traditional voltage regulation even with an extra 40db @ 100HZ passive filtering remains audible.[/quote]May be it is time to review some basic c...
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I remembered reading this buried deep on the Lavry forum:http://www.lavryengineering.com/forum_images/clocks1.pdfI also remember reading either on the dCS site or in the Stereophile review that the Verona clock was a later addition to the s...
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[quote user="Romy the Cat"]
Gregm wrote:
Amazingly, some people are influenced. They refer to what X golden-ear or Y guru reviewer has to say as important, ground-breaking news... Uncanny!
(...) So, do you feel tha...
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