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SXH218
Connections
The SXH218 is connected via a pair of NL4 connectors. This subwoofer features a unique wiring configuration which reverses the
connections to the NL4 labelled 'LINK'. It is vital that connections to the iK42 amplifier are made to the INPUT NL4, if connecting to a
second SXH218 connect from the 'LINK' out on the first subwoofer to the 'INPUT' on the second sub. Pins 1+/- on the Input are connected
to pins 2+/- on the link and pins 2+/- on the input connected to pins 1+/- on the link. This configuration allows a neat cable solution using
standard 4-core NL4 cables feeding two amplifier channels and ensuring that each sub is driven by one channel and not seeing a load
impedance of less than 4Ω.
The following example shows wiring two SXH218 from independent channels of an iK42 with 4-core speaker cables.
Wiring Two SXH218s from independent channels of an iK42 with 4-core speaker cables
IK42
C
ONLINE
OVERLAY
INPUT
CLP /
+12
AES3 IN
DANTE
+6
ENTER
UTILITY
OdBu
-12
Signal
42
OUTPUT
SELECT
ADJUST
ON
SCHEMATIC
IK42
1+
AMP 1
1-
2+
2-
1+
AMP 2
1-
2+
2-
1+
AMP 3
1-
2+
2-
1+
AMP 4
1-
2+
2-
Copyright © 2020 Martin Audio Ltd.
1
2
OUT
3
4
Spk Over
Amp Over
Limit
-6dB
Signal
BRIDGE
BRIDGE
MUTE
4-CORE NL4 CABLE
4-CORE NL4 CABLE
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
SXH218
SXH218
1+
1+
1-
1-
2+
2+
2-
2-
Connected to Channel 1
65
SX SERIES USER GUIDE
SXH218
4-CORE NL4 CABLE
SXH218
4-CORE NL4 CABLE
1+
1-
2+
2-
Connected to Channel 2
SX SERIES USER GUIDE V2.2
1+
1-
2+
2-
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