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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.
A. For large open areas, use a square spacing
pattern.
Loudspeaker Spacing
Loudspeaker
Spacing
½ Loudspeaker
Spacing
½ Loudspeaker
Spacing
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.
D. Calculate the required amplifier power:
x
Number of Loudspeakers
Required Loudspeaker Tap
E. Calculate the required amplifier size:
x
1.25
Power Required
Headroom
Coverage
Loudspeaker Spacing Distance
Premium
Standard
Minimum
OR
=
Power Required
=
Amplifier Size
10ft | 3.0m
20ft | 6.0m
30ft | 9.0m
B. For edges and walkways use a linear spacing
pattern.
½ Loudspeaker
Spacing
Loudspeaker Spacing
½ Loudspeaker Spacing
FreeSpace 360-II Tap Chart
Listener
m
3
Distance
ft
10
10
87
T
20
90
A
40
93
P
80
96
4.5
6
15
20
84
81
dB
87
84
SPL
90
87
93
90
3
p r o . B o s e . c o m
4
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