Questions for Sonus Faber owners


For those of you who own SF speakers with the string grills and/or the string bases, what do you use to maintain the strings? Also, how many of you have had to replace the strings in either the grills and/or the bases?
If you were able to do that, how were you able to do that?
Lastly, does anyone know the typical life expectancy of these strings( which I have been told are made of silk) in normal use. I ask these questions as my SF GH's have the strings and while I love the look, I am beginning to think that they will be a potential problem as time goes by.
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Rubinken, That is interesting, however, I am more concerned about how to replace the strings if necessary and not to pull them tighter. I suspect that as they age, pulling the strings tighter will not be an option as their
elasticity will fail and they will probably snap.
I am also wandering about the SF G bases as they use the same kind of strings, only a lot thicker. Does anyone have
any experience with these matters?
Did you tried ask Sonus Faber directly? They are very helpful and informative.
I still haven't heard back from SF, after requesting twice.  Must be Covid delays.

2mm wrapped rubber string.   Available at craft stores, looks identical.  Nice project for a rainy day.
Correction:   1mm.   One Sonus faber elipsa required 102 meters of elastic rubber wrapped string...

102 meters.   Tomorrow is another day.   Martini and Tony Bennett time.
Correction:   1mm.   One Sonus faber elipsa required 102 meters of elastic rubber wrapped string...

102 meters.   Tomorrow is another day.   Martini and Tony Bennett time.