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TORUS USER GUIDE
Connections
Overview
T12 cabinets have two parallel-wired Neutrik® NL4 connectors recessed at the rear of the cabinet.
NL4
NL4
BI-WIRE SWITCH
The two NL4s are wired in parallel so either can be used as a nominal 'input' or 'link' output.
TORUS features a "bi-wire" input configuration that uses both channels of the NL4 connection offering the option of receiving the signal
from either pins +/-1 or +/-2. This allows for simplified wiring using a single 4-core speaker cable. For example, if you are running a 6
cabinet array powered by two channels of an IKON amplifier, both channels can be routed via a 4-core speaker cable to the first TORUS
cabinet. All other cabinets are linked with short NL4 cables running from the LINK OUT on one cabinet to the INPUT on the next. The
first three cabinets are switched to receive their feed from pins 1+/-, the remaining three cabinets are switched to pins 2+/-. The first three
cabinets are now powered by channel 1 on the amplifier, the other three from channel 2. As all TORUS cabinets have an impedance of 8
with three cabinets in parallel on each channel they will both see an impedance of approximately 3.6
TORUS USER GUIDE V1.0
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Copyright © 2021 Martin Audio Ltd.
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