3
Step 6. Make wiring.
6-1. Insert the lead-in cables (cables from the amplifier) and lead-out cables (cables to other speakers)
into the input connector according to the terminal indication.
From Amplifier
To the
next speaker
COM
COM
5 mm (0.2")
HOT
HOT
Steatite terminal
Earth cable
Machine screw M4 x 12
Serrated washer
Earth terminal
Tightly screw the earth cable
and the serrated washer
together to the earth
terminal.
[When making a bridge connection]
6-2. Change the input impedance as needed.
The speaker’s input is factory-preset to 1.7 kΩ.
When changing the input impedance, detach the
blank wire connected to the matching transformer,
and reinsert it into the desired input tap referring
to the table below.
3.3kΩ
1.7kΩ
COM
6.7kΩ
13kΩ
HOT (Black)
COM (White)
Matching transformer
Impedance 1.7 kΩ 3.3 kΩ 6.7 kΩ 13 kΩ
100 V line
6 W
3 W
1.5 W 0.8 W
70 V line
3 W 1.5 W 0.8 W 0.4 W
Step 7. Connect the earth cable as needed.
Step 8. Replace the fire dome.
8-1. Place the fire dome on the speaker, and rotate
it clockwise.
8-2. Tighten the 2 screws.
Tighten
Rotate
Tighten
Rotate
Step 9. Hook the speaker mounting spring into the
mounting hole in the ceiling.
Step 10. Push the panel surface into the mounting hole.
Ceiling
