The X-Sabre arrived today!
Unfortunately it would appear that it is either defective or incompatible with some of my equipment
It seems to work fine with the small amount of testing of the USB interface I have done but drops out when the coax input is used.
By way of example, when I connect my streamer/internet player it will play fine for about 20 minutes, thereafter the 48K led intermittently turns off/on and the audio mutes. The Link and PCM light remain on throughout the scenario.
Could this be the symptom reported during the testing or is this something new?
BTW the unit arrived with the latest firmware installed.
Needless to say I will be returning the unit.