The 500 mW into 50 ohms from the HI power output that was quoted from the Stereophile review was given to the reviewer by LTA's PR guy, Nicholas Tolson. That specification seems quite different from the specs on the LTA website of 3W @ 32ohms on the HI power output. The reviewer, Herb Reichert, said the 10e had zero punch, instrumental weight or get up and go energy driving the Susvara. Based on that description, I suspect that the 500mW @50 ohms high output maybe the correct spec and not the 3W@32 ohms. I'm just quoting the review, I have no experience with the 10e.