EH Pulsar problem : weird !

[Ron Buckle]

Hello to all,

I've just finished my Tonepad's Pulsar workalike and it's sound great !! Of course with a little ticking, but I can live with it.

A problem, though : when going to the max speed, the effect just stops, and can only be restarted if you take off the battery or discharging the 0,47uF capacitor in C9 ...

Any clues ??

Thank you in advance for help (this is my first project !)

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Ron Buckle (Paris)
www.concordesound.com