Dear Redglobe, 'Your horse' decided to drink the water. So your effort was not wasted. For the European members I can
say that those Jantzen Superior Z-caps are easy to get for
about 25 euro, postage included. I order them in Germany. The original caps are MKT kind and about 17x12x7mm 'large'. The Jantzen are ,say, 10x
larger so to fit them in place one need to use the caps wire as fastening device. After fastening and soldering simple cut superfluous wire. The caps will hang in air but
need to be lower than the electrolictic caps near them.
I also exchanged the output wire for my own solid wire which is an alloy of gold and silver. The same wire is use
in my interconnect to the amp. My original intention was to
also exchange the input wire but the risk to damage those very thin wire inside the Jasmine induced me to leave those 'as is'. The comfort being : those are so short it
may not matter...
Well first of all I was happy to hear that my Jasmin was
functioning after my soldering. Then I was surprised to hear 'some other' phono-pre. This upgrade is unbelievable. The dynamic range is much more extended, the sound is without any sharpness while the harmonics in the conjuction with the keynots are one 'wholeness'. I was very sceptical about the improvement the caps can provide but in this case I am convinced. But, alas, I can't say what the contribution of my own wire is. Those who want to try the same upgrade will nee to first exchange the caps
then listen and then exchange the wire.