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The amplifier will operate with either a balanced or unbalanced signal source.
INPUT
The input jacks used on the GX2300/2600 are dual function connectors which accept
1
/
4
" TRS (Tip Ring Sleeve) or male
XLR plugs. The amplifier will operate with either a balanced or unbalanced signal, from earth ground or floated source
equipment. To determine if your equipment is earth grounded or floated, consult the owner’s manual or test with an ohm-
meter.
The signal connections are as follows:
Proper cable wiring will be determined by the source equipment that is feeding signal to the amplifier.
EARTH GROUNDED SOURCE EQUIPMENT
Source units with a 3-pin mains power cord will typically have the audio output ground connected to the earth-grounded
chassis. This can be verified with an ohmmeter by disconnecting the mains power cord from the AC outlet and checking for
continuity between the earth ground pin and the audio output ground. This test should be done with the equipment
installed in the complete system, including cables. If the audio output ground is connected to the earth ground pin, it is
earth grounded equipment.
Consult the following diagrams for examples of recommended wiring techniques:
Shield
Chassis
Audio
Ground
XLR, 1/4" TRS Amplifier
SHIELDED TWISTED PAIR
GROUNDED,
UNBALANCED
SOURCE
shield connected at one end only
1
3
2
Shield
Chassis
Audio
Ground
XLR, 1/4" TRS Amplifier
SHIELDED TWISTED PAIR
GROUNDED,
BALANCED
SOURCE
shield connected at one end only
1
3
2
Tip Ring Sleeve Tip Sleeve
sleeve shorts amplifier
— input to audio ground
1/4" Mono Unbalanced1/4" TRS BalancedXLR Balanced
Operation