SPDIF can be coax or optical... Optical can be TOSLINK or ADAT Coax can also be analog (RCA/phono jacks.) RCA jacks can be speaker connections in lo fi gear. So many standards! <L> Lou Judson Intuitive Audio 415-883-2689 On Jan 31, 2012, at 5:29 AM, [log in to unmask] wrote: > > So was it SPDIF or optical? I thought they were 2 separate things.