I use a 50-ohm "generic" 18" cable ($50) between my CG-10M and UD-701N.
My dealer uses it for demos, so I just went with that and he got one for me.
Haven't yet pursued higher end 50-ohm cables, as this sounds so good as is.
CHORD Hugo TT2 vs TEAC NT-505 + TEAC CG-10M Master Clock