I used to run my SB3 into a 518 before running it into the F80 via a CO2 coax-to-toslink converter. After learning that the F80 has a PLL on its optical input, I removed the 518.

George, the headphone socket of the SB3 (and Touch) can be used as an IR port. You use a 3.5mm IR emitter lead. smile

Embargoed? Me? Impossible!

Roon Developer and ex-moderator of this Forum
I am #25 in the HH1 photo of fame.