Excellent condition. Serious inquiries only. big Ben, the worlds most revolutionary Master Clock, features Apogees legendary clocking technology and much more into one standalone unit. Supporting all sle rates and offering clocking technologies, C777 and Adaptive Loop Filtering ALF, Big Ben is the most stable, low jitter clock available. Big Ben will synchronize all digital equipment in the recording environment bringing clarity, depth and accuracy to recording and mixing that will be heard immediately.Providing incredible flexibility with available formats ofAES, SPDIF, Optical, six 6 Word Clock outs and an expansion slot of the X-Video option card, Big Ben will synchronize any studio and provide format conversion simultaneously.