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Oil coupling caps

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Posted on July 8, 2012 at 07:32:22
greg7
Audiophile

Posts: 864
Location: Arkansas
Joined: January 12, 2003
 I'm a bit lost between archive searches and all of the subjective opinions / reviews online.

Without having to "cap roll", I'm looking at Jensen copper foil and Jupiter caps for a coupling position in a 2A3 SET. Which in your experience is preferable? Or should I stay with the recommended Auricap? Or any other suggestions? (I know Russian NOS cap recommendations are coming ...)

 

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RE: Oil coupling caps, posted on July 8, 2012 at 12:17:29
Frihed89
Audiophile

Posts: 13073
Location: Copenhagen
Joined: March 21, 2005
 If you are getting the new copper colored jensen's, they are an improvement over the gold/brass colored ones. They are also quite a bit more expensive. If you are considering the gold/brass colored ones, they are decent, but still more expensive than the beeswax. As far as using either, I wouldn't use either as a coupling cap in a good amp, esp and SET. My favorite is the new Audio Note Copper foil in oil, which is more expensive than the the new Jensen, but it's made for SETs. (It's new).
Observe, before you think. Think before you open your yap. Act on the basis of experience.

 

RE: Oil coupling caps, posted on July 8, 2012 at 15:00:54
gfederys
Audiophile

Posts: 348
Location: S. E. Michigan
Joined: June 22, 2004
 I run and love my 2A3. (wait here for rebuttals) The Russian K40 are really good for the money. My personal favorite is the Mundorf Siler In Oil. I always go come back to the Mundorf. MHO, mind you.

 

RE: Oil coupling caps, posted on July 10, 2012 at 21:01:30
Donald North
Manufacturer

Posts: 1107
Joined: February 8, 2001
 I prefer the Jensen copper foil, paper in oil over the Auricap. The Jensen sounds much more organic, 3D, and higher resolution. For best sound, try the Audio Note silver foils.

Donald North

 

ditto, posted on July 12, 2012 at 20:58:39
gortnipper
Audiophile

Posts: 770
Location: Seattle expat in Auckland
Joined: November 28, 2003
 I used the old Jensen CIO, and prefer the Mundorf SIO.

 

RE: Oil coupling caps, posted on July 17, 2012 at 08:56:34
M
 I ´m using jennsen silver and copper foils(never leaked once!)
I´m also using Jupiter Beeswax(old and new model) never melted once!
!´m also using Amphoms (pios and wax)no leaking and no melting.
I know that som Jensen-made Audio Notes of yesteryears leaked.(made to AN specifications???)
Never have seen or heard about a Jensen made jensen leaking?
(have old stock nos jensen stamped 1969)
Used in Audio Note,Audion,Sun Audio,Tango-Tamura WE-91B SET ,DIY 300B and DIY 2A3,DIY 45 amplifiers.
/m

 

RE: Oil coupling caps, posted on July 17, 2012 at 09:09:54
M
 PS I do not like metallized-paper polypropylene capacitors as coupling caps in single ended triode amplifiers!

 

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