That amp has pretty low output impedance since there are 4 output tubes per channel. The 4 ohm taps are a definite but if you have 2 ohm as well (not sure if it has them), you may want to try them and see what you think.
Arthur
Arthur
Sonic Frontiers Power 2 with Kef Reference 205
Which is the correct impedance to use for Sonic Frontiers Power 2 ampli with the Kef 205 Reference loudspeakers?
Alessandro
Alessandro