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Polytune battery and power supply


Gold Supporting Member
Something I notice with my Polytune: all my other pedals disconnect the battery when an external power supply plug is inserted, so I can leave the guitar plugged in when a battery is installed and provided that the external power jack is plugged in, the battery won't drain.

This is not the case with my Polytune; if the external power supply is connected but off, it still has power from the battery.

OK, not a big deal, but I am curious if my pedal is faulty or if this is a 'feature' of the Polytune.

Would someone who has one mind checking if theirs does the same thing?

Mine is the original version bought not too long after they came out btw.

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