Description
THIS AUCTION IS FOR 2x NOS SIEMENS 4.7uF 630V 640V 1% MATCHED MKV B25832 TUBE AMP MKP IN OIL AUDIO CAPS !
SIEMENS IS A GERMAN COMPANY AND PRODUCES MANY HI-END COMPONENTS.VERY RELIABLE.VERY HIGH QUALITY AND VERY HARD TO FIND!
THIS PRODUCT CAN BE USED IN CROSSOVER OF HI-END SPEAKERS and tube amplifiers/preamplifiers.OFFERS VERY HUGE DYNAMICS VERY BIG SOUND WITH LOTS OF DETAILS
SELECTED FROM 10% STANDART CAPS AND MATCHED 1%
BEST OF THE BEST!
ACCORDING TO THE AUDIO EXPERTS SIEMENS 4.7uF 630V MKV CAN BE COMPARED WITH MUNDORF OIL CAPS!
GREAT PRICE FOR THIS QUALITY!
From
http://www.enjoythemusic.com/diy/1108/capacitor1.htm
Epcos (Siemens Matsushita)
MKV B25834 polypropylene in oil capacitor
Epcos was founded by Siemens Matsushita, who sold all its interests in 2006. MKV B25834 is a polypropylene in oil cap like the Siemens MKV radial capacitor talked about previously. Mundorf silver/oil also happens to be polypropylene in oil, so it was not a great surprise that Epcos sounded somewhat similar to Mundorf silver/oil when directly substituted in Mundorf’s place. Not that they sounded the same, mind you, but both shared a sense of liquidity and grace, which helped music just flow effortlessly.
Compared to silver/oil, Epcos had a bit more richness to voices and even more apparent smoothness in the upper-midrange region, but it conceded some sheer resolution and attack. Silver/oil sounded more like a “modern” film capacitor while Epcos leaned more in the direction of paper-in-oil caps without overt darkness or lack of resolution. I was especially glad to observe Epcos not to possess overly rounded or slow bass like some paper-in-oils can.
The Epcos, not surprisingly, sounds VERY much like the Siemens MKV polypropylene in oil capacitor I described earlier. Both sound balanced, if not extraordinarily extended or obviously “airy” up top. Human voices have fluidity, richness, and sparkling liveliness that’s so endearing. If you are a die-hard Teflon or polystyrene fan, you will likely call these poly oil caps a bit slower and not as lit-up, but the fans of the poly oils will call it the opposite.
a great strategy is to use the Epcos with something like Russian K72 Teflon cap somewhere else in the component. K72’s enthusiastic, bold, slightly upper-midrange-centric sound signature complements the ease of Epcos very well while lending the whole package a dollop of Teflon resolution. This combo sounds mighty nice, and I must thank “dweekie” for pointing me to these Epcos capacitors.
Dimensions
■ High dielectric strength
■ High peak-current capability
Applications
■ For damping and commutating in the medium frequency range
■ For general AC applications
Construction
Self-healing
Plastic dielectric
Oil-impregnated tubular windings (no PCB)
Metal-sprayed end faces ensure reliable contacting
Cylindrical aluminum case
Plastic or ceramic lead-throughs
Mounting bolts M8 or M12
PLEASE ALSO CHECK OUR OTHER MKV CAPACITORS!
https://hiendparadise.com/mkv/
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