JL Audio Dominion d108 Owner's Manual page 7

Recommended Floor Placement for One Dominion™ Subwoofer
M O R E I N T E N S E MO R E I NT EN SE
RECOMMENDED
SUBWOOFER
PLACEMENT
ZONES
(For Single Subwoofer)
SMOOTHER SMOOTHER
COMPROMISED SEATING POSITIONS
(Results in weaker, uneven bass performance)
CENTERLINE OF ROOM
BEST SEATING POSITIONS
(Most accurate bass performance)
APPROX. 1/3 OF TOTAL ROOM
LENGTH AWAY FROM BACK WALL
COMPROMISED SEATING POSITIONS
(More intense but less accurate bass performance)
CLOSE TO BACK WALL OF ROOM
WORST
SEAT
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