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In Reply to: RE: Russian capacitor list posted by Michael Samra on April 22, 2008 at 16:02:57
For your regret, Soviet and Russian radio components is not a very good sound quality.
If, of course, keep in mind the highest level of sound.
For PP amplifiers, they may come. But I personally interesting only the highest level of sound. I, russian man, therefore do not apply Soviet, and the more any Russian components.
For example, all mica capacitors require a large operating voltage (for polarization). A "top" mica capacitors SGG, possess nonlinear impedance at high frequencies. On the other capacitors, I better not tell you. )
The Soviet capacitors made for war, basically. Sound has other requirements. More for home appliances - these very poor quality. Modern Russian capacitors generally super very poor quality ... even not for war ... China better.
Follow Ups:
The old Soviet era tubes such as the 6n6p, 6n1p-ev, 6h30p, 6s45p-ev, 6p14p-ev, 6p3s-ev, gu50, and gm70 were built for war, which makes them tough as nails, but they sound great as well. A heck of a lot better than the Chinese tubes I've heard, from both a sound and reliability standpoint.
On the other capacitors you say "I better not tell you". I wish you would, as your viewpoint would be very interesting. As far as the caps go, well I haven't heard many Chinese capacitors, would you please suggest some that we may try? If they are better than the Soviet era caps, I'd love to hear them. As it is, I've compared the Soviet caps with many US and European caps, and I think some of them, in the right application, are very good.
A 4uf 600V Vcap in a parafeed application would be ridiculously expensive, so haven't tried them there, but the Russian KBGs have beat the other paper and oils, and plastic caps I've tried. The teflon Ft3s I've compared with the RFT Exotica teflons and are at least 95% as good at 1/10 the cost. I think with a little modification with damping and leads, they might be just as good if not better.
I have noticed that the 1970s and older Soviet tubes seem to be better than later production. I have not been impressed with modern Russian Sovtek and EH tubes, and haven't even seen modern Russian capacitors for sale at all.
Kind of ironic to have a guy from the U.S. defending the quality of Soviet components to a Russian citizen!8^D
twystd
The K40Y9's sound very good and are small and cheap. With Vitamin Q Spragues becoming more unobtainable every day, the K40Y9's are a wonderful cap for our future.
The Russian FT-3 0.10uf 600V cap is a little bit of audio magic. At first these can sound distorted and problematical. They disappear sonically after about 25-35 hours.
They are simply the most dynamic cap I have ever used. More importantly, the highs are simply clean and grainless. I love these things. I cannot say enough good things about these FT-3 caps. I feel they easily surpass the US expensive teflons in terms of dynamics and detail. They certainly exhibit a quieter noise floor.
I have not tried the other caps at this time. I am glad there are those that are testing and evaluating these.
The silver mica's seem to be the flavor of the month at this time. I should try to get a few of the SG variants and see how they compare with the FT-3 caps as a bypass.
Try the Russian MBGOs, in power supplies, and as cathode bypass caps. Try the KBGs as preamp output, Parafeed, and ultrapath caps. Wonder how a .1uf FT-3 bypassed with a .01 SSG silver and mica, or a .1 K40Y and .01 SSG would sound? Going to find out some day.
twystd
I said: modern Russian (Soviet not!) capacitors are very poor. Worst of Chinese cap.
I will tell you a story. Chinese tubes 20 century produced on Soviet documentation. With a low technological level of China quality of the old Chinese tubes were certainly worse than the Soviet tubes.
I know perfectly sound all without exception Soviet tubes. Therefore, your approval gives me a natural question. As for you high-quality sound?
Of the Soviet (the Soviet period, not Russian) is literally five tubes with a decent sound. More ... ??? No!
Vlad
I agree with you that modern chinese caps and tubes other than some of the Shuguangs are mostly crap..Im sure the Tin Jin may be ok but what Twysted and I are talking about are the Russian military capacitors.
" I said: modern Russian (Soviet not!) capacitors are very poor"
What is a modern Russian capacitor? I don't know that anyone here uses them. Also you made a statement 3 weeks back that we were all more or less foolish to buy Russian caps when you feel jensen is better,take it from a guy from Russia who knows.Not everyone can afford Jensens and some have suffered reliability issues from my understanding on the higher priced caps.
Now you say you were referring only to modern Russian capacitors.Again,
please tell me what is a modern russian capacitor.
One more thing..I hope you stocked up on enough vintage american and british tubes because if the supply ever depletes,you won't have any tubes to buy being you don't like Russian and chinese tubes.
It doesn't matter how you stir
the pot, Bullshit in always equals Bullshit out!!
I have already several times saying the same thing. The Soviet capacitors are not for use in high-quality sound equipment! Russian capacitors, ie capacitors modern times worse than the Soviet. So it is understandable?
I do amplifiers exclusively for themselves. I do not manufacturer. I am a physicist. With nearly forty years of experience in the tubes. Therefore, in my century European tubes enough)))) Repeat what valves?
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