KLING & FREITAG K&F NOMOS XLC - Manual (Page 8)

User's manual K&F NOMOS XLC
KLING & FREITAG GMBH © 2014 Version 4.2 Page 8 of 20
2.
Stack the subwoofers on top of one
another.
Make sure that the stacking feet of
subwoofers stacked on top of one
another are securely positioned in the
grooves of the lower speaker.
You must additionally secure vertically
standing stacked NOMOS XLC systems
from falling since the structural safety
is not guaranteed, otherwise.