georgehifi7,414 posts07-23-2020 5:00pmThe Luxman 590 bench tested to 90 w into 8 ohm in one of the reviewsCan you post a link to this review please?
Here you are, George. Presumably in A/B after 30W. The 'piddly small heatsinks' are entirely adequate for the amp.
http://www.navratilaudio.cz/novinky/Luxman_L590AXII_HFW.pdf