The X-Altra Mini II ‘BB’ Line Preamplifier – September 10th update
September 10th 2024 Quick Update. Here is a picture of the final X-Altra Mini II ‘Big Board’ with the remote controller board. Setting aside the wiring to the volume control and the headphone socket, all that is needed to run the preamp is a +-15V 5W regulated power supply. Testing and characterisation of the board […]