Description Originally introduced in 2009, WA22 has been an audiophile favorite. New for 2018 is improved sonic performance and preamplifier feature for use with a Hi-Fi system. WA22 (2nd gen) is an all-tube design, fully balanced headphone amplifier and preamplifier. The advantage of a fully balanced system is improved channel separation, more precise soundstage, and imaging. Perfectly suited for the headphone enthusiast and experienced audiophiles seeking flexibility and purest sound. Highlights Updated to 2nd generation in March 2018 Tubes: 6SN7 driver x 2, 6080 power x 2, 5U4G rectifier x 1 Polytetrafluoroethylene (PTFE) tube sockets ALPS RK27 4-channel balanced smooth potentiometer Fully-balanced design, Class-A Power output: up to 1.5 watts per channel @32 Ohms [recommended for power demanding headphones] Transformer-coupled, Point-to-Point wiring, Pseudo-dual power supply Phase Splitter for use with unbalanced components HI / LO impedance setting XLR input x 1, RCA input x 1 Dual 3-pin XLR (left and right channel), 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs XLR balanced PREAMP output (
