DESIGN GUIDE
pro.Bose.com
OF 4
3
FreeSpace
®
360P Series II
step 4 Using your sketch of the room, create a loudspeaker layout using a Loudspeaker Spacing from
the table below that meets your coverage requirement.
step 5 Calculate the required amplifier size. Use the Tap Chart below to determine which loudspeaker tap is
required for this design.
A. Locate the loudspeaker mounting height for this design.
B. Draw a line down to the desired maximum SPL.
C. Draw a horizontal line across the chart to read the required
loudspeaker tap.
m3 4.56
ft 10 15 20
10 87 84 81
20 90 87 84
40 93 90 87
80 96 93 90
Listener
Distance
T
A
P
dB
SPL
FreeSpace 360-II Tap Chart
Coverage Loudspeaker Spacing Distance
Premium 10ft | 3.0m
Standard 20ft | 6.0m
Minimum 30ft | 9.0m
A. For large open areas, use a square spacing
pattern.
B. For edges and walkways use a linear spacing
pattern.
OR
Number of Loudspeakers Required Loudspeaker Tap Power Required
x =
D. Calculate the required amplifier power:
Amplifier SizePower Required
=
x
1.25
E. Calculate the required amplifier size:
Headroom
Loudspeaker Spacing
½ Loudspeaker
Spacing
½ Loudspeaker
Spacing
Loudspeaker
Spacing
Loudspeaker Spacing
½ Loudspeaker Spacing
½ Loudspeaker
Spacing