JBL EON Sub G2 manual

Page 12

 

Signal sounds distorted even

Mixer or other source is overdriven

Review the Owner’s Manual

 

at moderate volumes, PEAK

 

for your mixer and adjust

 

light is not lit.

 

controls as needed

 

 

 

• Input sensitivity (gain)

 

 

 

• Channel faders

 

 

 

• Master faders

 

Hum or Buzz that increases

Improper A/C ground or faulty

Disconnect or mute

 

or decreases when the mixer

equipment connected to mixer

channels one at a time to

 

level controls are moved.

input

isolate the problem. Refer

 

 

 

to the owner’s manual of the

 

 

 

faulty equipment for

 

 

 

troubleshooting help.

 

 

Faulty cable between source

Substitute a known-good

 

 

equipment and mixer

cable for the suspected

 

 

 

faulty cable.

 

Hum or Buzz

Improper A/C grounding, ground

• Connect all speakers to a

 

 

loops

common power circuit.

 

 

 

• “Telescope” the audio

 

 

 

ground by using an XLR/F

 

 

 

to XLR/M adapter with

 

 

 

Pin1 disconnected on one

 

 

 

end.

 

 

 

Re-route audio cables

 

 

 

away from AC power and

 

 

 

lighting cables.

 

 

Excessively long unbalanced cable

• Use the balanced outputs

 

 

run

(if available) of your mixer

 

 

 

or source equipment to

 

 

 

drive your EON speakers.

 

 

 

• Use a “DI” (direct injection)

 

 

 

box to convert your unbal-

 

 

 

anced equipment output

 

 

 

to a balanced output.

 

 

Improper system gain structure

Reduce the INPUT 1, LINE

 

 

 

2, and LINE 3 controls and

 

 

 

increase the output level of

 

 

 

your source devices.

 

Speakers feedback and howl

Microphones are pointed into the

Move the speakers so they

 

when the microphone volume

speakers

do not point into the micro-

 

is turned up

 

phone’s pick-up pattern.

 

 

 

 

 

 

Equalizer settings are incorrect

Locate the feedback fre

 

 

 

quency and reduce it using

 

 

 

the mixer EQ or an external

 

 

 

equalizer.

 

 

Excessive gain

Reduce the gain at the

 

 

 

mixer and move the micro-

 

 

 

phone closer to the sound

 

 

 

source.

13

Image 12 Contents
EON Sub G2 User’s Guide Contents Welcome Stand Mounting and Precautions Electrical SafetyFeatures Technical SpecificationsAvailable Accessories About the EON SUB G2Connectors IndicatorsControls and Connections Block Diagram About SubwoofersApplication Examples Stereo System With EON Mid / High System with EON Sub G2sMono Subwoofer Driving the Subs from a Mono OutputPowered Sub with Passive Mid / High Troubleshooting Fuse ReplacementVoltage Selection And Fuses Changing VoltagePage JBL Limited Warranty Page JBL Professional Contact Information