Mesa Boogie 5AR4/GZ34CF Rectifier Tube

Mesa's 5AR4 rectifier tube produces a vintage feel with light to mild "sag" - While it produces more "sag" than Silicon Diodes, it is the least "saggy" of their tube rectifier offerings (The Rectifier is part of the Power Supply and its purpose is to convert AC into DC). Read why you should buy Mesa Boogie Tubes.