Taga Harmony – Their new flagship hybrid integrated amplifier HTA-2500B is a dual-mono 200wpc affair between two Psvane Treasure MkII 12AX7-T and six complimentary pairs of Sanken 2SC4468 and 2SA1695 transistors powered from twin 600W/ea. toroidal transformers with 10'000μF of capacitance per channel. An Alps pot handles volume. A  24/192 Cirrus Logic CS4344 DAC with Wolfson WM8805 digital receiver for optical and coax plus Bluetooth handles digital inputs. There's also a headphone amplifier and pre-out.