Audio Reseach ref 1 tubes.

Is there any way to improve a Ref1 by changing tubes in the preamp?
If yes which on do you suggest?
Originally there are 8 6922 russian .
Thanks

odiomuse03-17-2001 2:13pm

mchd1 Details Discussions Posts This discussion Message User 93 posts 03-17-2001 at 02:58pm Copy Comment URL Report Comment Edit Delete Yes there is. I am using Sovtek 6922s made in the 1970s from Kevin at Upscale Audio WITHOUT the ARC damping rings.