Ladder Chopin Fully Balanced R-2R HiFi PreamplifierLadder Chopin Fully Balanced HiFi Preamplifier Description: The Chopin preamplifier utilizes a fully balanced R 2R structure, delivering outstanding sound quality through a microprocessor controlled relay based 60 step attenuator. The design features a pure copper toroidal transformer, providing more powerful output. The Chopin uses imported ON Semiconductor field effect transistors to enhance output amplification, ensuring a superior listening