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Hello from South Africa. I have just begun building the Twinloop Treasure Seeker to use for small gold and general purpose. I chose this cct for simplicity and possible modification value. My questions are : Has anybody built this MD before, and is it worth the time spent? Does anybody know of any errors in the schematic I should be aware of? My first mods will be to the timing cct where I will make the 35us delay on IC3, variable (or switched) between 12us and 50us. Also thinking of replacing the differential amp and detector amp IC's with the NE5532. Any comments....
Thanx for a fantastic forum and keep it up guys
Thanx for a fantastic forum and keep it up guys