The Audiomirror Tubadour III SE. It is a NOS R2R DAC based on the famous AD1865n-k chip, supplemented by duelund caps and tube output. The Tubadour III is a non-oversampling converter based on the AD1865N-K chip from Analog Devices. we have a new Audio Mirror component. It is the Tubadour III, which is a digital to analog converter (DAC) that's unique in many ways.