Photos of the SW1X Audio Design™ PRE IV Performance Level 4 Line Pre-Amplifier. The PRE IV is a signal output transformer (OPT) de-coupled 6V6 tube output stage.
SW1X Audio Design PRE IV
Photos of the SW1X Audio Design™ PRE IV Performance Level 4 Line Pre-Amplifier. The PRE IV is a signal output transformer (OPT) de-coupled 6V6 tube output stage.