| Troubleshooting | |
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Problem / Symptom | Possible Cause/ Solution  | |
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Sound is distorted  | Only plug turntables into this input, do not plug in CD  | |
players or other Line Level sources. Turn down the  | ||
Phono Input | ||
INPUT GAIN CONTROL. Check the EQ settings.  | ||
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  | 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  | |
I hear hum. | from AC power cables and AC transformers. Make sure  | |
the mixer is not mounted too close to high power ampli-  | ||
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  | fiers or lighting equipment power supplies or ballasts.  | |
  | Make sure your turntables are properly grounded to the  | |
  | back of the mixer if they include a grounding wire.  | |
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  | If you are using a microphone, make sure that you are  | |
  | not too close to the speakers or headphones. If you hear  | |
I hear | feedback on the phono input, then the turntable may be  | |
mounted to close to the speakers and/or subwoofer.  | ||
feedback | ||
Also, make sure the turntable base is placed on a sur-  | ||
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  | face that does not vibrate or resonate easily when the  | |
  | speakers are turned up loudly.  | |
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