Duelund Silver vs Audio Note Silver capacitor


looking to upgrade my 2a3 amp., Going to upgrade the coupling cap.  Looking to buy either the Duelund silver .22uf or the Audionote Silver.   Any members try using the Duelund or Audionote silver can help out.  Thanks! 
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Best I have heard is actually the Duelund tinned copper CAST cap.  Liked it more than the Duelund silver in electronics.  The finest sounding capacitor I have ever heard. Others have found the same to be true including Jeff Day.  Very special cap.