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Trouble Shooting

Read this if you want to be a do-it-yourselfer or give us a call at 800-CALLMTX.

PROBLEM  

CAUSE  

SOLUTION

No LED indication  

No +12V at remote connection 

12V to terminal

 

 

No +12V at Power connection  

12V to terminal

 

 

Insufficient ground connection  

Verify ground connection

 

 

Blown power fuse  

Replace fuse

LED on, no output  

Volume  on head unit off  

Increase volume on head unit

 

 

Speaker connections not made  

Make speaker connections

 

 

Gain control on amplifier off  

Turn up gain

 

 

Signal processing units off  

Apply power to signal processor

 

 

All speakers blown  

Replace speakers

Output distorted  

Head unit volume set too high  

Lower head unit volume

 

 

Amplifier gain set too high  

Lower amplifier gain

Balance reversed  

Speakers wired L + R reversed  

Wire speakers with correct orientation

 

 

RCA inputs reversed  

Reverse RCA input

Bass is weak  

Speakers wired out  

Wire with correct of phase 

 

phase

 

 

Not using MTX woofers  

Buy MTX woofers

Blowing fuses  

Excessive output levels  

Lower volume

 

 

Amplifier defective  

Return for service

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