Question about Yamaha DD55 7 Pad General MIDI Digital Drum System

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Two of the pads on my Yamaha DD55c drum machine do not seem to be triggering properly. For example, if I hit the snare pad it seems to always be triggering at a low velocity, but if I strike it flat with the stick stretching the whole way across the pad, it will trigger at high velocity. The high tom pad barely works and is very tempremental. I have tried altering the velocity sensitivity, but this has made no difference. I think it is more to do with the actual triggering of the pads themselves. I was considering opening it up and seeing if there was something I could do to make them more sensitive. I did something similar with my "Guitar Hero" drum kit, when the snare started doing much the same. I solved the problem by using a lollipop stick across where the trigger was to help increase surface area and sensitivity. I do not know however if the same will be applicable to the DD55c. I thought I would seek advice before opening it up. Can you help? Thanks, Ryan.

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A weak snare is a characteristic of these... The triggers are typically piezo discs that were often used in musical cards but those have now gone to using very flat little speakers... You may find some have been dislodged or broken loose... worth a look inside.

Posted on Apr 11, 2011

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