BOSS DS-2 Taiwan Early Model Ge Diode BOSS DS-2 made in Taiwan, an early model with a serial number starting with ZA. The clipping diodes are germanium diodes. High-quality Panasonic ECQ series film capacitors are also used. I purchased this about 15 years ago, so there's a little scratchiness in the pots, but it should improve with use. There is rust on the jack nuts. Operation has been confirmed. The remote jack has not been tested. Please refrain from purchasing if you have any concerns.