Fet Valve CF RB Preamplifier Black Face Plate

The Fet Valve CF RB is our best all-tube preamp circuits in a package designed to appeal to audio purists embracing minimal setups.With the Fet Valve CF RB, we have taken everything we know about getting tubes to work as well as they possibly can and rolled it into a minimal yet functional package. We have packaged these stunning circuits into a reduced feature chassis that will serve the needs of audio purists and budget sensitive audiophiles. Remote volume and mute functions are now standard on all RB preamplifiers.The Fet Valve CF RB’s audio stage is all tube, using 12AT7 tubes for gain and 12AU7 tubes as cathode followers. This combination, done with outstanding multiple regulated power supplies, provides the amazing dynamic range, transparency, and load drive capacity that we demand. It will interface seamlessly into and improve the most demanding audio systems.This engineering has resulted in the lowest noise tube preamplifier we have ever offered.The Fet Valve CF RB is an astoni