Accuphase C-2850 Preamplifier

POA

C-2800 series renewal creates the ultimate preamplifier — C-2850. A new preamp generation defined by the harmony of craftsmanship and technology. The revolutionary AAVA (Accuphase Analog Vari-gain Amplifier) principle which enables optimal volume adjustment has been further refined, for ultra-low noise and utterly quiet operation, combined with perfect operation feel.

-AAVA volume control for high performance and outstanding sound
-Separate high-efficiency toroidal power transformers for left and right channels
-Selectable preamp gain
-Fully modular construction with separate left/right units for each amplifier stage
-Logic-controlled relays for shortest signal paths
-Independent phase selection for each input position
-Printed circuit boards made from glass cloth fluorocarbon resin
-Optional playback capability for analog records
-Massive wood cabinet with natural grain finish

More info here.