#169063  by Jon S.
 
At page 27:

"Asked about her favorite effects, [Jessica] Dobson waffles between the Sarno Music Solutions Earth Drive (recommended by Nels Cline) and an Electro-Harmonix Deluxe Memory Man."

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 #169112  by Jon S.
 
Curious about this - are the Earth Drives for sale new today the exact same circuit as the original versions or have there been any modifications/improvements to the pedal over time?