Bose 131 Owner's Manual page 15

Installing Your Speakers From The Front Of The Bulkhead
14
Tie a knot in each joined wire pair to protect the
B 10
connection from being pulled apart.
Reinsert the enclosure into the wall in the position
B 11
you determined in Step 7. If the outside circle of
holes in the mounting flange line up with the ones
you originally marked, remove the enclosure
and drill at these marks. If they do not, make new
markings that you can differentiate from your original
set of markings.
B 12 Remove the speaker enclosure.
CAUTION: Do not drill while the speaker enclosure
is in place.
Drill six 1 ⁄ inch (.32 cm) holes.
B 13
8
Reinsert the speaker enclosure.
B 14
Note: For added protection against water enter-
ing the bulkhead, you can apply a generic silicone
sealant between the flange and the mounting
surface.