The Volit's were of course designed for tubes but can work with SS too there is a guy who posts on Reditt a lot who's run a pair of Rivals with mostly SS amps, here's a link to his latest post:
https://www.reddit.com/r/audiophile/comments/or1jku/new_amp_weekend_happy_to_welcome_luxman_back_to/
https://www.reddit.com/r/audiophile/comments/or1jku/new_amp_weekend_happy_to_welcome_luxman_back_to/