Not convinced this ARC integrated would make me want to switch from my PrimaLuna Dialogue HP integrated.
I love the musicality of the EL34 running in Triode mode and the voltage divider, all tube headphone section is real treat.
I see the PrimaLuna with the opportunity it offers to use a dozen different tubes from EL34 all the way to KT150 as an advantage for any tube lover that is hard to overcome.