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Lambda Labs - Professional Acoustics
Danger: Loudspeaker Outputs can carry dangerously high output voltages! RISK OF ELECTRIC
SHOCK!
[
DANGER!
Attention: The +2 and -2 pins are not used! The Loudspeaker connectors used on KW-18 are fully
compatible with both Neutrik SpeakON NL4 and NL2 type plugs!
[
ATTENTION!
Attention: Neutrik SpeakON is a connector without breaking capacity, therefore the SpeakON should
not be connected or disconnected under load or live!
[
ATTENTION!
Attention: Always use Loudspeaker Cables with sufficient wire gauge! 2x2.5mm2 is recommended
only for lengths below 10m! 2x4mm2 Cables are recommended above 10m length up to 25m!
[
ATTENTION!
Attention: Always use Loudspeaker Cables with double isolation, and with isolation material allowed
for the particular use! Please always refer to the local regulations!
[
ATTENTION!
5.3. Audio Input Connection
Audio input signal can be applied to the KW-18 using standard XLR 3 pin connectors. Lambda Labs recommends the use of
Neutrik gold plated XLR plugs or Switchcraft XLR connectors (tin plated)! The use of silver or silver plated pin XLR
connectors is NOT recommended!
KW-18 uses the new international standard Pinout for the XLR connectors:
www.lambda-labs.com
5.3 Figure 1: Loudspeaker Output Connection
Female
2
1
3
PIN
Assignment (Balanced)
1
2
3
! 1 3
KW-18 Amplifier Manual
Ground
Signal +(hot)
Signal -(cold)
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