user manual

SF228TSpeakerSystem•Installation 5
b. When using speaker wires without conduit — Secure the cable clamp adapter
(included) to the cover plate and insert the wires through the clamp, (see the
illustration below).
Te rminal Cover Plate
Seismic Cable Pass
Through Loop
Cable Clamp
Adapter (Included)
Rear of Speaker
Speaker
Te rminal
Figure 4. Using a Cable Clamp Adapter
Proceed to “70/100 V Audio Distribution System” on page 5 or “Direct 8 Ohm
Connection to an Amplifier” on page 8 for the appropriate wiring procedure for either
a distributed audio system (70 V or 100 V line distribution through the transformer) or for a
direct (8 ohm) connection from an amplifier (bypassing the transformer).
Speaker Cabling
70/100 V Audio Distribution System
NOTE: In the 70 V or 100 V distribution system diagram below, an optional
speaker has been added as an example of daisy chaining SF 228T speakers
to a single amplifier output.
NC
2 W
4
W8 W32 WCOM
70 V
100 V
COM NC 32 W
16 W
8 W 4 W 2 W
16 W
NC
2 W
4
W8 W32 WCOM
70 V
100 V
COM NC 32 W
16 W
8 W 4 W 2 W
16 W
To Next Speaker (terminal tap)
,
.
From Amplifier ,
To Next Speaker (terminal tap)
From Amplifier
.
,
.
Figure 5. 70/100 V Terminal Connection