Question about MXR M151 Double Shot Distortion Pedal

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My MXR doubleshot will not switch into distortion mode

The pedal lights up when it is plugged in, and will play clean. Once the overdrive button is hit, no sound is produced, not even feedback. Both distortion channels are experiencing this issue. If this is not something I can fix myself, who would I be able to contact concerning the repairs? I have had no luck looking for Dunlop's tech services number or mailing address.

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Posted on Jan 02, 2017

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  • 41 Answers

SOURCE: I have the MXR EVH

The fact that it happens with 2 different units may point to something in common. You just first eleminate the cables as a possibility by swapping. Also, most pedal problems can be traced to a battery issue, so make sure it is a good one. Make sure you are using mono, not stereo cables.

The footswitch could be faulty, try holding it in different ways to see if it makes contact.

Posted on Feb 28, 2011

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SOURCE: I just bought an MXR

The battery is being shorted by something. It is impossible for me to guess what without looking at it. If the pedal is brand new, take it back for warranty repair/replacement. If you bought it from somebody, you bought THEIR problem... they likely knew about it. If this is the case, look for a pinched wire from the battery lead... make sure it is not backward. If you can't see anything and cannot get a refund, open the pedal. Look for a problem where the 9 volt adapter plugss in. Broken jack, etc. Look for evidence that somebody has taampered with the insides. Of course look for foreign debris.

Posted on May 06, 2011

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SOURCE: I just got an MXR

Most common problem is the in and out cables are backward to cause this.

Posted on Jul 06, 2011

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correct-order-effects-pedals-2ckjipyran2c0uimcnrpjion-1-0.jpg

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