Pure Class A, 100% discrete design, Smooth musical detail and sonic excellence, Minimum audio signal path, Dual mono, fully switched controls, Transparent active and passive filter design, Very low noise -94dB, High headroom +30dB, Fully balanced inputs and outputs, DC coupled, no transformers in audio path, 104 switched frequencies per channel, Mid bands use X10 frequency for extended range, Wide bandwidth -3dB 1Hz to 450kHz, Low distortion less than 0.5% THD and IMD, Switched range control 0.5dB, 1dB and 2dB steps, All signal routing with sealed silver relays, 100% discrete power supplies for audio path, External 150W toroidal power supply.