However, this capacitor has plenty of speed when required and an even higher level of resolution. The organic flow and musicality reminds me of the Jensen - you just want to listen to hours on end. Its glow factor is in-between the K42Y-2 and the Jensen Pure Copper Foil. Not surprisingly, this capacitor has a warmish glow to it, similar to many of the other oil capacitors here. Thankfully, it turned out to be the former. That's a mouthful and you could either end up with a capacitor that has it all, or a jumbled sonic mess. The KPCU is a copper foil, paper, polypropylene, and oil-impregnated capacitor. Miflex hails from Poland and while their capacitors are not cheap, they have been touted by some as being serious contenders. This is a physically very large capacitor and requires a lot of space for installation as well as very secure fastening (they are really heavy !). It is also one of the most compact of the boutique capacitors on test here, which makes it a prime candidate when you have challenging installations and your budget cannot accommodate the V-Cap ODAM. The rest of the frequency range is highly detailed though, and this is a very likeable capacitor. The vocal warmth is slightly behind the Miflex KPCU, which also manages to retain more expressiveness and detail compared to the MOIP. However, you get a dynamic, tight and punch low-end and an extended top-end. This has the classic paper-in-oil midrange with a luscious and creamy sound. The MOIP is an oil-impregnated metallized polypropylene film capacitor and is the more affordable model in their line-up - their premium offering is a Teflon film and tin foil model. Modwright was well known for their modification work before they launched their own line of electronics. Don't let the price tag fool you, this capacitor plays at a totally different level compared to your typical entry level boutique capacitor. The Superior Z has a more dry and flat sound compared to the Silver Z. I would put this capacitor in between the Jantzen Superior Z and the Rike Audio S-Cap 2 in terms of tone. The lack of bloom in the midbass may make this capacitor sound too bright in the wrong system. High frequencies have a crisp and firm tonality, while bass is tight and powerful. There is a subtle projection of the midrange and high frequencies, which puts the soundstage slightly forward. This is a neutral capacitor with very high resolving power. The capacitor is Nitrogen filled and the lead wires are made of pure silver - not bad at all for a capacitor that does not cost the earth.
#Audio note capacitors review series
I am guessing that this is a series connected double capacitor like some Mundorf models.
The design uses a "Super MKP double foil design" where four times as much foil is used compared to a single foil capacitor. Jantzen Audio describes this capacitor as offering extremely high performance, at a reasonable price point. I tried the latter, but found that it only worked for certain small value capacitors. Two commonly methods of determining the outer foil of a capacitor are described online - one using an oscilloscope, and the other using a guitar amp. Otherwise, I oriented the capacitors in the direction of the writing on the label. When the capacitor is marked to indicate the outer foil, that is oriented towards the source. All capacitors used in this test received a minimum of 100 hours of burn-in on my Audiodharma Cable Cooker, with the exception of Teflon film capacitors that received double the burn-in time. I installed screw terminals to allow easy installation and removal of the capacitor on test. The partnering power amplifier has an input impedance of 200 KOhms which means that a minimum capacitor size of 0.47 uF would be required to avoid bass roll-off. The stock capacitor installed was a 1uF / 250 VDC plastic film capacitor. I measured a peak of about 150 VDC before the capacitor. Our very brave soldier is a tube preamp with only a single coupling capacitor in the signal path. A new candidate was interviewed and gallantly volunteered for the arduous mission ahead. The test platform had to be abandoned due to a failed power transformer, with no repair timeline in sight.
Regrettably, Part II of this capacitor shoot-out took a lot longer than planned. (ii) Jensen Pure Copper Foil Paper-in-oil type (Aluminium can)ĭo check in from time to time as we will post updates periodically.
(i) Audio Note (UK) Kaisei bi-polar capacitor A list of the new capacitors that will be tested :. This time, I will also have comments from the very trusty TC who will be volunteering both his equipment and time. It's been 9 years since this article was first published and it is about time to add a few more capacitors to the list. UPDATE, November 2019 - Time really flies.
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