The ADC-1 provides professional quality 24-bit A/D conversion. The ADC-1 is a perfect companion for converting the analog output of equipment (EAS encoders, etc) to stereo AES. The A/D converter may be configured for sample rates of 44.1 or 48kHz or an external word clock from 32 to 96kHz. Features: balanced stereo analog input and AES output via plug-in euroblock screw connectors. The front panel is equipped with left and right analog input trimmers, LED level meters and power LED indicators. Recessed sample rate switch with LED indicators. The ADC-1 is powered by a surge protected internal bi-polar 15-vdc-power supply affording superior headroom and high definition audio. The ADC-1 may be set on a desktop, mounted on a wall or up to four units may be mounted on the optional RA-1, Rack-Able mounting shelf.