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2x NOS SIEMENS 4.7uF 630V 640V 1% MATCHED MKV B25832 TUBE AMP OIL AUDIO CAPS !

39.99$ 34.99$

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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 THEY 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 

d x l : 30X100 (including top and the bottom screw)
    
     Features

■ 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

 

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