If you have an early v6 it is possible that the cards are not in the optimal position.

Refer to this: Preferred Layout For 861v6.pdf

If they are are not, I have written instructions to move them: Meridian 861v6 card move.pdf

861v8+ID41 Revelation One filter, HD621, Musical Fidelity M8 700 mono blocks, Focal Scala (x2), Focal Mini Utopia (x3), Velodyne DD18, Oppo BD105, Roon NUC, 218, Radiance 2021, JVC X9000