Product Category
Need an exploded view diagram/closeup
diagram of the plate, transformer, back of
the speaker, etc. here, calling out parts.
Point out the cover plate, the hole to pass
wires through, the screws to be loosened in
step 3, etc.
Show relation to whole speaker. Show both
top and bottom of plate.
IMPORTANT:
Refer to www.extron.com for the complete
user guide, installation instructions, and
FF 120T • Setup Guide
specifications before connecting the
product to the power source.
This setup guide contains installation information about the Extron FF 120T Flat Field® speaker. This speaker is designed for use
in plenum rated ceiling spaces and can be dropped into a standard 2 feet by 2 feet or 2 feet by 4 feet (with supplied cross bars)
false ceiling tile space on a T-bar grid.
WARNING: May result in serious injury. Installation and service must be performed by authorized personnel only.
Factors to Consider Before Installation
z All wiring and electrical connections must conform to all applicable building codes and local ordinances.
z Installation in a plenum-rated environment requires plenum rated cable or conduit.
Wire Gauge Table
8Ω
Configuration
70 V/100 V
Configuration
Number of Wires
per Connection Point
1 12 AWG
2 14 AWG
1 14 AWG
2 16 AWG
Maximum
Wire Gauge
z If using secondary support cables, the installer provides the cables.
Installation
1. Disconnect power — Power down all attached devices before proceeding.
2. Remove and cut ceiling tile — Remove the ceiling tile where the FF 120T will be installed. Cut out a 12-inch section from
either end of the tile where the speaker will be installed, as shown below.
24”
Draw Line
3. Install the T-rail — Install the T-rail crosspiece into the ceiling opening
up against the cut tile.
12”
48”
24” x 48” Ceiling Tile 24” x 24” Ceiling Tile
Cut Material
T- rail (1)
12”
24”
24”
4. Transformer cover plate — Loosen, but do not remove, the two screws on the top of the
transformer cover plate, as shown at right. Next, slide and remove the transformer cover plate,
which is installed with the transformer side down.
Transformer
Cover Plate
1
FF 120T • Setup Guide (Continued)
5. Using Flexible Conduit — When using exible conduit, insert the conduit into the cover plate opening using an appropriate
conduit adapter, and secure the conduit to the plate as shown below.
Flexible Conduit Adapter
Flexible Conduit
Transformer Cover Plate
Cable Clamp Adapter
Secondary Attachment
Point
Rear of Speaker
When using speaker wires without a conduit, secure the cable clamp
adapter (included) to the transformer cover plate and insert the wires
through the clamp. Tighten the screws as shown at right.
6. Distributed audio system (70 V or 100 V) or direct connection —
• if wiring a 100 V or 70 V distributed system and using the transformer, proceed to step 7.
• if bypassing the transformer and wiring directly from the amplier, proceed to step 9.
7. Connect cables from the amplier to the transformer on the FF 120T transformer cover plate.
Amplifier
Transformer
Transformer
70 V or 100 V Distribution System
(through the transformer)
Additional FF 120Ts
can be attached to
FF 120T
to the tap connector.
See step 7f.
FF 120T
Rear of Speaker
Transformer Cover Plate
Secondary Attachment
Point
(Black) To Speaker
(-) Terminal
(Red) To Speaker
(+) Terminal
NC
1 W
2 W4 W8 W16 WCOM
70 V
COM NC 16 W 8 W 4 W 2 W 1 W
100 V
Black (-)
To Additional
Speaker
Red (+)
Black (-)
Red (+)
From Amplifier
(70V/100V)
a. Pull the wires from the amplier through and out of the conduit, if a conduit is used.
b. Route the two wires from the amplier through the cover plate hole to the transformer side. See the wire gauge table on
page 1.
c. Strip 3/16" (5 mm) from the wire ends and keep the wire end strands together by twisting them. Do not tin the wires.
2