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Passive Subwoofer Rear Panel
WARNING. Disconnect the input signal speakON cable
BEFORE toggling the terminals switch!
A
A. SpeakON NL4
B. SpeakON NL4
C. Terminals switch: swap the internal loudspeaker terminals assignment.
1–
1+
2+
2–
A
SpeakOn to transducer
internal wiring
B
C
SpeakON NL4
connector
1–
1+
2+
2–
Sub on +2-2
[DEFAULT]
Spk +
Spk –
B
1–
SpeakON NL4
1–
1+
connector
2+
Sub on +1-1
NL4 SpeakON wiring
One-channel wiring
Hi/Mid- and full-range loudspeakers are usually wired on +1 -1.
Subwoofers are usually wired on +2 -2.
Two-channel wiring
Hi/Mid-range usually wired on +1 -1.
Low-sub usually wired on +2 -2.
1+
Speaker 1
2–
Speaker 2
P R E L I M I N A R Y
Thunder-KS
User Guide
SpeakON NL4
connector
1–
1+
SpeakON NL4
connector
1–
1+
Spk +
Spk –
Spk +
1–
1+
Speaker 1
Spk –
SpeakON NL4
1–
1+
Speaker 1
connector
2+
2–
SpeakON NL4
connector
2+
2–
2+
2–
2+
2–
1–
1+
SpeakON NL4
1–
1+
connector
2+
2–
SpeakON NL4
connector
Spk+
2+
2–
Spk–
Spk+
Spk–
SpeakON NL4
connector
1–
1+
Spk1+
Spk1–
2+
2–
Spk2+
Spk1+
Spk2–
Spk1–
1–
1+
SpeakON NL4
connector
2+
2–
Spk2+
Spk2–
Speaker 2
Speaker 2
24 mm
[1 in]
24 mm
[1 in]
5
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