an Audio Precision S1 spits out a level of -20dBFS. this then should feed the distributor which in turn should output the same level to four outputs each having unity gain. The impedance is 50 ohm. Its a regular SPDIF system so is at 1v swing. Hope this helps.
I am trying to build my own distributin amp as opposed to buying one off the shelf, originally I thought I would just be able to use a run of the mill op amp but ran into trouble when using SPDIF format so have been trying to use video spec op amps like AD829 but with no success due to...
