SP640_
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10| Operating Manual ver. SP640-EN-1.1
Recommended configuration using multiple speakers is represented below:
You can now use the system
NL4 Pin Configuration
Pins 1+ and 1-
Used
Pins 2+ and 2-
Not Used
Amplifier
O
u
tp
u
t
A
O
u
tp
u
t
B
Input A
Input B
Mixer
Amplifier Load (per Output Channel)
# of Speakers
Nominal
Minimum
1
8 Ohms
7 Ohms
2
4 Ohms
3.5 Ohms
3
2.7 Ohms
2.3 Ohms
4
2 Ohms
1.8 Ohms
Caution: Do not exceed the
maximum load rating of
the amplifier.
