Troubleshooting

 

 

Problem / Symptom

Possible Cause/ Solution

Sound is distorted

Only plug turntables into this input, do not plug in

CD players or other Line Level sources. Turn down

Phono Input

the INPUT GAIN CONTROL

 

 

 

 

Make sure you are using good shielded audio

 

cables. Some less expensive audio cables can be

 

susceptible to hum and interference. Keep your

 

audio cables away from AC power cables and AC

I hear hum.

transformers. Make sure the mixer is not mounted

 

too close to high power amplifiers or lighting

 

equipment power supplies or ballasts. Make sure

 

your turntables are properly

 

grounded.

 

 

 

If you are using a microphone, make sure that

 

you are not too close to the speakers or

I hear

headphones. If you hear feedback on the phono

input, then the turntable may be mounted to close

feedback

to the speakers. Also, make sure the turntable

 

base is placed on a surface that does not vibrate

 

or resonate easily when the speakers are turned

 

up loudly.

 

 

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Stanton RM-402 owner manual Hear