I also had some problem with the optical input to the EE DAC. From the optical output either an Apple Airport (a later jitter-prone model) and/or a Macbook. Don't recall the specifics of which was problematic or if it was both.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.