TOP 5 Pre-Amplifier Tubes: Favourite Vacuum Tubes for Exceptional Audio Performance When it comes to building world-class tube audio equipment, the choice of pre-amplification tube is one of the most important decisions a designer can make. While power tubes often receive the spotlight, the pre-amplifier stage is where the character, energy, and musicality of a … Continue reading TOP 5 Pre-Amplifier Tubes: Our Favourites