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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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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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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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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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Guy,
could you, please, specify the workpoint for the tube and workload you use in your comments.
SY, Genn...
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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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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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Think about WE437, or V.Lamm's "favorite" 6C15Pi. ...
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Scott, my apologize, but issue of low-power does not have any relationship to the problems, you have described. The problems could be located in the following areas:- high output impedance of the last cascade, and amplifier in g...
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I used 6c33c at about 250V Vp, -100 Vg and it was good. Another important point for sound of tubes - the filament. I find out, that the sound at 6,0-6,1 V filament is preferable to the one at 6,3V. I simply add a series resitor for each socket....
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I would like to buy new turntable – just to listen to music every evening. Current set up is rather entry by level – Technics 1210 with Grado Gold and Trichord Dino. However it could produce more or less correct time picture, and involve me into the ...
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