Alieno 150-120 LTD offers the possibility of using the two most famous direct heating tubes 300B and 2A3, to have 150 Watts per channel with the 300B, or 120 Watts/channel with the 2A3.
Besides the power delivered, this power amp also modifies its sonic characteristics in accordance with the kind of tube used.
A dual display on the front panel shows the kind of tube installed, to confirm to the user that Alieno has simply and automatically adjusted all the parameters for the chosen tube without having to make any external modifications or use any tool.
