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I don't quite agree with the positive review of the Dynamicaps. I tried them as output caps in my Mapletree (Dr.Peppard) hardwired (silver) preamp (modded with Shinkoh tant resistors, Auricap interstage, highest grade BG caps, NOS tubes etc), and found them slightly muted and lacking in treble sparkle even after burnin. The were highly resolving and neutral, but lacked the magic open quality I was expecting after reading the Altavista review. I changed to Multicap RTX and the treble resolution improved and the sound became more alive. After reading your review of Mundorf SiO I ordered a pair to be used as input caps in a new poweramp that needs some smooth oil cap euphony that might be less evident in a Multicap RTX. Claritycap in the UK has done some research lately (published) and found that the cap self-vibration damping is important, which has led to a couple of new highend film/foil caps that you might interested to test.
WIMA MKP10 Polypropylene Capacitor<snip>It’s not overly etched or thin-sounding, either, which you always have to watch out for in cheap metalized poly caps. I have heard some people complain WIMA lacks bass, but this was not true in my case at all, as its bass was just as good as other good poly caps. I don’t know how WIMA’s other caps sound, such as MKP4 and FKP, but the 630V MKP10 is a budget-champ!
The PCUs are supposedly very warm but I didn't find that. Full and rich, yes; but not woolly or dark in the least. They seem to have even slightly more resolution than the Platinums, without the latter's Teflon character (overly polished, slippery notes). The highs are extended and open; the bass and leading edge detail are clean and well defined and, best of all, the body of notes are realistically textured and even more dimensional. Trailing transients seem a tad bit longer in length as well. All in all, a very nice cap at the same price as the Platinums.
The thing I worry about AudioCap PCU, other than teflon-like price, is the use of copper foils and oxidation. Jensen gets away with it b/c the oil tends to retard oxidation, but PCU is copper foil wrapped in polypropylene film, so I'd be worried about slow oxidation and sonic degradation over time that you can't see, as slow changes tend to be hard to notice.. Only way to find out is to crack open an older PCU and see
Quote from: Jon L on 2 Sep 2008, 11:23 pmThe thing I worry about AudioCap PCU, other than teflon-like price, is the use of copper foils and oxidation. Jensen gets away with it b/c the oil tends to retard oxidation, but PCU is copper foil wrapped in polypropylene film, so I'd be worried about slow oxidation and sonic degradation over time that you can't see, as slow changes tend to be hard to notice.. Only way to find out is to crack open an older PCU and see Interesting. All I know now is that I really like the sound. I guess time will tell.
WIMA MKP10 Polypropylene CapacitorI was absolutely shocked when I received my WIMA MKP10 capacitors. They are HUGE as seen next to same-capacitance AudioCap Theta and Auricap in the picture. This German company supplies a lot of capacitors for many high-end companies, and I have seen many red-colored WIMA capacitors inside components; but I dont remember them being this large. WIMA MKP10s claim to fame is their double-layer construction:The construction principle of the series WIMA MKP 10 consists of a non-metallized dielectric film and an carrier film metallized on both sides acting as electrode. Thanks to the metallization on both sides, the electrical conductivity is considerably improved and the contact surface between the electrodes and the schoopage layer is doubled. This results in better contact and allows for high current and pulse loading capability.The reason I am even going into such detail is due to the fact its sound quality easily exceeded my jaded expectations. It sounded quite bright at first, but after settling down, it presented a nicely-detailed, airy, and sexily breathy sound. It perhaps does not have 100% of the refinement and sophistication of Dynamicap E or Jantzen Superior Z, but its slightly more forward and breathy sound is a bit more exciting and ear-grabbing. Its not overly etched or thin-sounding, either, which you always have to watch out for in cheap metalized poly caps. I have heard some people complain WIMA lacks bass, but this was not true in my case at all, as its bass was just as good as other good poly caps. I dont know how WIMAs other caps sound, such as MKP4 and FKP, but the 630V MKP10 is a budget-champ!
Thank God!The industry standard found it's place in the audiophile world.Wima has two (2) qualities. It has the capacitance it promises. It also has a low Rs.Honestly. When trying to find a decent capacitor, measure it. Do not listen because there is a chance the (High End) manufacturer that used the (bad) original cap in your loudspeaker has exploited the properties of the original "cap".Professionals naver use something like Mundorf. There is no need for that.
I don't use any capacitors at all. I simply hear the music in my head, directly from God.
How about the new ClarityCap MR capacitor designed based on resonance reduction data, see claritycap.co.uk?
Hello, Have anyone tried Mundorf Silver/Gold as coupling caps in SET amps(300b).Currently been using Russian K 40 PIO.....well,kind of congested,slow & should I say "oily constipated".It's too smooth & boring .Lots of guys like this soviet capacitor......... not my cup of tea. I would like something with more clarity,sparkle,dynamics & life.Particularly interested in Mundorf S/G(not oil).....so if someone can give me opinion on this one I'll be greatly appreciated .
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