GT SERIES USER MANUAL 6
3. Interface Elements, Rear Panel.
.
(5) Cooling Fan Outlet
.
Hot air exits here. Make sure all rear (and front) ventilation paths are free
from obstruction and air flows freely, otherwise the amplifier will trip into thermal
protect mode prematurely and in some extreme circumstances damage may occur.
(6) Output Connectors
.
The Output sockets are Neutrik Speakon / 1/4” combi connectors. They accept Both Neutrik
NL2FC & 1/4” jack plugs (NL4FC accepted, however only terminal pair 1 carry signals). Avoid
inferior alternatives, as they may present numerous hazards due to less than ideal construction.
When inserting speakon plugs turn clockwise until you hear it click; This ensures correct
connection has been made. To remove, pull back the levered tab and turn anti-clockwise.
Ready-made, sensibly priced, quality interconnection leads suitable for use with the amplifier
should be easy to source. However, with sufficient skill, it is possible to make/modify leads for
the task. proceed to Chapter 5. - “Cables, Making your own”.
.
● Only the first two pins (+1 and -1) are used in this amplifier.
● When utilising the 1/4” output option the centre pin is connected to +1 & the outer sheath
is connected to -1.
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● For STEREO/MONO operation, unmodified “off the shelf” cables will usually work fine.
.
● For BRIDGED MONO mode, Output is exclusively available from OUTPUT X, do not use at
any other time.
.#
NOTE: - Generously Heavy Duty Speaker Cable should be used to ensure
optimal performance of the amplifier and loudspeaker system. Excessively
thin cables should be avoided as they compromise system performance
and may present a fire hazard. The cable should be at least comparable to
good heavy duty 13 amp mains flex. Additionally, unduly long cable runs
should be avoided where possible.
.
CAUTION: - Great care should be taken to ensure cables are in good
condition and connectors are wired correctly and safely as short circuits
and intermittent connections may cause damage to equipment and in
extreme circumstances a fire hazard may occur. Exposed
connections/bare wire present an electrocution hazard. Never use
incompletely housed Speakon connectors to make connections
Cable testers which allow you to hook up both ends of the cable and
confirm correct wiring are available and purchasing one as a standard tool
for debugging and partial safety assurance is recommended.
.
CAUTION - 1/4” Outputs: - When using This output feature extra care must be taken,
as it is possible to both short & come into contact with the amplifiers output at the far
end of the cable. Also be sure -not- to mix up signal & speaker leads when using 1/4”
connections ! Finally use insulated/plastic housed connectors for outputs as the jacket
is live & is NOT a ground connection !
MATRIX AMPLIFICATION REV.1.17
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