Can Big Ben send word clock signals via its digital audio outputs? Chris August 11, 2020 19:25 Updated The primary function of all the digital outputs on the Big Ben is to transmit clock. There are a total of ten clock outputs on the Big Ben: six BNC, one optical, one S/PDIF and two AES. Related articles Symphony I/O: Setting the Clock Source What is jitter? How do I switch between ADAT and S/PDIF optical? How much can I slow down or speed up from the original sample rate? Comments 0 comments Article is closed for comments.