Manual
Stage 3: 
Installing the FF 120 
Ceiling Speakers
Stage 3 Involves installing the devices shown below.
•  Where it goes: Installs in ceiling tiles at a predetermined location for best acoustics. 
 Connects to the switcher.
•  What it does: Receives and outputs audio signal from the PVS 405D switcher.
FF 120 Flat Field Ceiling Speakers
Anchor Rings (2)
Cable Clamps (2
)
Terminal Cover
T-rails (2)
FF 120 Speaker (2)
Seismic Tabs (3 per side)
SPK 18, 35 ft
Cabling for the Speakers
Speaker Installation:
•  Speaker cable (connects ceiling speakers to the 
PVS 405D switcher).
PoleVault Digital Systems • Installation — Stage 3 (Speakers) 35










