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Old 23rd November 2008, 02:32 PM   #1
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Location: Singapore
Default USSR Russian Caps. KBG-MN or K75-24?

Hi guys,

I have a choice now to buy either the KBG-MN or get the K75-24 for my new SET project.

Which one do you guys think is better sonically?

From my understanding, both are PIO. So what is the biggest difference?

I did a quick search and found the below thread.
Russian PIO caps. Should I use them?

But I still don't know the difference and which is better sonically.

new kid on the board!
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Old 23rd November 2008, 05:47 PM   #2
Stixx is offline Stixx  Germany
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Location: Southern Germany
K31, SSG, SGM, KSO - mica, some types with silver - good K40 - PIO - very good MBGxx, KBG-xx, OMBG - PIO K42, MBM, BM-x - paper (w/o oil ??) K70, K71 - Polystyren ("polystirol") - good K72, FT - teflon ("ftoroplast") - THE BEST K73 - Polythelene Teraphthalate film ("lavsan") - poor K75 - combined Paper+Film (Polythelene Teraphthalate??, with or w/o oil??) K76 - Laquer film K78 - Polypropilen
Just trying to interpret the above I'd say go for the KBG-MN which seem to be true PIO.
But sonics are VERY subjective (ask a bunch of people about their favourite type of ), and just the choice of a single component won't make a good amp. When you can afford it get both of them and try them out...
Or spring for the teflon caps that are sold by some russian vendors (I have two of those...)
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Old 26th November 2008, 09:00 PM   #3
Vlauga is offline Vlauga  Russian Federation
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Location: Msk
I well know Soviet capacitors:

Click the image to open in full size.

From your types it is possible to apply to a sound only KGB-MN. But only as the first capacitor CLC filter power supply. The remaining capacitors are good for special military applications, for example, to work with high radiation.
Or as a power source strong impulse load.
But not for the sound, unfortunately.

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Old 4th December 2008, 02:16 PM   #4
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thanks guys for the suggestions!

you guys are very helpful!

i will use KBG-MN for my tube PS.

new kid on the board!
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