DOD Overdrive Preamp 250 Reissue

Got an early 90s unit recently, the chinese reissue with JRC4558 chip. I'm still really surprised how good it sounds. So i do think this is very neglected and underrated pedal. I've added polarity protection diode and pulldown resistor for the input. The chip is stated as KA4558 in the italian reissue schematic i found (and some random gutshots from the web confirm that), but you could try any dual opamp in there. Now you can build your own with true bypass, indicator LED and standard power jack!