Toa FB-100 - Manual (Page 7)

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10. INSTALLATION
10.1. Installation Locations
By installing the FB-100 speaker close to the ceiling, wall or floor, the speaker's sound energy radiation
efficiency can be increased.
Note
Do not block the opening of a port.
10.2. Unit Suspension
Using six mounting screws provided on the FB-100 in
conjunction with eyebolts, the FB-100 can be hung as illustrated.
Note
Ensure that the speaker is fixed or hung at 4 places or more
when using the mounting screws to fix or hang the unit.
4 π space: +0 dB (free sound field)
π space: +12 dB (1/4 free sound field)
π/2 space: +18 dB (1/8 free sound field)
2 π space: +6 dB (1/2 free sound field)
Eyebolt