TOA Electronics BG-1120 - Manual (Page 9)

9
5. OUTPUT CONNECTIONS
[Output terminals]
Each amplifier has 3 speaker outputs: 4
Ω, 25 V and 70 V. Use only one of these outputs for connection.
Class 2 wiring may be used.
Note: The impedance in the figure below represents the total impedance of the speaker system.
[MOH output connections]
The MOH output is rated at 1 V/600 Ω
[OUTPUT 1 W output connections]
The OUTPUT 1 W output is rated at 1 W/8 Ω
600 Ω COM G
E
C
H
8 Ω COM
8 Ω
COM 4 Ω
4 Ω
25V 70V COM 4 Ω
25 V line
25V 70V
5.2 Ω (BG-1120)
10.4
Ω (BG-1060)
21
Ω (BG-1030)
42
Ω (BG-1015)
COM 4 Ω
70 V line
25V 70V
40.8 Ω (BG-1120)
81.7
Ω (BG-1060)
163
Ω (BG-1030)
330
Ω (BG-1015)
6. PLUG-IN MODULE INPUT PORT
A single port for TOA plug-in modules is located on the unit's rear panel. Any 900 Series plug-in module can
be inserted into this port.
Note: Consult your nearest TOA dealer for selection of appropriate module types.
Be sure to turn off the power before performing the following operations:
6.1. Module Installation
Step 1. Remove the blank panel covering the module
slot on the rear panel.
Step 2. Align the module board with the top and
bottom guide rails, and press in.
Step 3. Using the screws supplied with the module,
secure the module to the rear panel.
Mixer power amplifier
900 Series plug-in module
Module mounting screw (supplied with the module)
Guide rail