Klipsch SB 120 Owner's Manual page 11

PLACEMENT
TV must weigh less than 100 lbs (45kg)
TV base must be smaller than
31" x 11" (78cm x 28cm)
11" (28cm)
31" (78cm)
11" (28cm)
31" (78cm)
Make sure the rear of the SB 120 is at least one inch away
from a back wall and there is at least one inch clearance
around the top and sides of the SB 120 for ventilation.
Make sure to center your TV on the SB 120.
CRT
CRT