All of the discussions about caps are interesting.
I often think i can hear differenses when switching components but when i measure the amp i can´t verify it.
What is measurable is when u start using components of lowgrade bipolars etc.
When measuring MKC, MKE, MKP of good brands versus all kind of black art vodo special caps and russian giant PIO`s the test results aren´t there.
The human ear is a very sensitive instrument that´s for sure but i think the happy feeling from installing a nice component affect it.
I respect people with golden ears, my self i was equiped with a pair of the lead version works for me but i´m impressed by people that can hear 24Kz.
I often think i can hear differenses when switching components but when i measure the amp i can´t verify it.
What is measurable is when u start using components of lowgrade bipolars etc.
When measuring MKC, MKE, MKP of good brands versus all kind of black art vodo special caps and russian giant PIO`s the test results aren´t there.
The human ear is a very sensitive instrument that´s for sure but i think the happy feeling from installing a nice component affect it.
I respect people with golden ears, my self i was equiped with a pair of the lead version works for me but i´m impressed by people that can hear 24Kz.
That's funny, becasue VTL uses Mundorf Silver/Oil in their Signature Tube Monoblock amps:
VTL - Signature Monoblock Amplifiers
I don't know, but don't you think a company like VTL would have checked the silver/oil caps to be certain they were stable in their signature tube monoblocks? With 8 KT-88s and 450W of power, it must get somewhat hot inside those amps. I also know several people who have put them into tube preamps with no issues.
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There is a plain Mundorf Supreme line that is aluminum metallized polypropylene with no oil.
The Supreme Silver/gold is silver/gold metallized polypropylene with no oil.
The Supreme Silver/oil is silver metallized polypropylene impregnated with oil.
The Supreme Silver/Gold/Oil is silver/gold metallized polypropylene impregnated with oil.
Well now I understand why Jensen foil capacitors is so much better then Mundorf Silver Oil.
BTW I never used Ultra-Tone capacitors but worked with local soviet paper foil K40-U9 that must be pretty similar to Ultra-Tone in design. K40-U9 is very good actually. I would rate it better then Mundorf Silver Oil but not on par with Deulund still.
imho it might make sense try out Ultra-Tone caps for applications where Deulund cost is prohibitive.
I know a company who been used these capacitors, all the amplifiers had to return to the factory for change it. I foresee a repair in a close future (I hope in warranty but with VTL who knows)
Madisound website lists the max operating temperature of Mundorf Silver/oil as 55 degC, fyi.
Silver/Oil
Silver/Oil
FWIW, I found Mundorf silver and silver/gold disappointing in speaker crossovers. Much coarser than I expected at the price. Still have to try as interstage, but not optimistic. Teflon - well I haven't heard anything smoother. Russian paper in oil also sound smooth, but just seem to kill treble, whether in PS, or in signal path.
Very much in agreement. Probably good only for extremely agressive speakers like Lowthers.
Would not argue. There is the same opinions regarding hi frequencies on Russian forums and teflon popular here as well. Anyway soviet K40U9 out of production for a while and getting 450V ones almost impossible nowadays. My point was regarding paper foil capacitors that might be worth trying out. Here is a link to take a look at Capacitors
Jensen/Duelund paper foil is the best stuff for sure (no teflon inside sorry folks).
I had replace one in a Audio Note Quest, is the first time that I had to replace a capacitor like this by a failure (Short), I'm not sure about his reliability and is very expensive.
The most positive experience I had with capacitors is with the V-Caps, very nice sound, but very very expensive and need a very long burn in.
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