The Luxman L-509x stays in Class A for the first 6 watts (8 ohm load) before going A/B to its rated output. The L-507 probably the same.
Pass Labs INT-25 or equivalent in another brand
I’m interested in a Pass INT-25. I want to try a class A amp but I’m open to A/B. I currently have a push/pull tube amp and run Klipsch Heresy IV speakers. thoughts?