Quicksilver amp owners

My observations are based on the 8417 model which I would characterize as smooth and muted on the top (this was, at least representative of listening sessions between intervals when the amps would blow-up, LOL).  Suited for classical music lovers and not much else.  

The 8417 Triode amp was made over 28 years ago. Discontinued. Made only two years from 1990-1992. Some folks still using them. Several new amps since then. 

Back to the original OP over a decade ago.

Well, they sure respond well sonically to different vintage -and- modern input tube changes. Interconnect changes too for that matter. Nice.

After rotating my vintage input/driver 12xxx tubes (RCA, Sylvania, Tungsram, Mullard "Blackburn", loaner Brimar, CIFT, and others... did some experimentation, re-issues, and now some new stuff for grins.

Tried recent 2020 version of the PSVANE 12AU7-T "Treasure" MKII input tubes and quite surprised at the results. With some burn in, nice midrange, even wider sound stage, retained detail without being edgy, added fullness. Tone and texture coming through more than anticipated.  Another option for those wanting to tuck away the rare vintage tubes and simply listen.  Nice sounding, actually.