Bus crosstalk on pairs?

[pinosmuse]

Hi there,

I had a strange phasing thing when bussing something lately.
On one track was a send using bus 29 to an aux to add distortion to the sound using Sansamp. From the Sansamp aux there was a send using bus 30 to add a delay effect to the distorted sound.
Seting this up I heard some strange phasing. Making the Sansamp plug inactive the phasing still occured. It only dissapeared making the send to bus 30 inactive (in bypass it still was there).
I made no routing mistakes and it also dissapeared when I used a bus from another pair(1-2/3-4 etc) for the delay.
So.....
Is there any crosstalk between busses of one pair? (1-2/3-4 etc)

[Slim Shady]

I remember another user discovering this a year or so ago. I believe the answer from Digi was to avoid using consecutive busses and use non-consecutive busses when you need to chain muliple mono busses after each other.