BOSS SD-1 Super Overdrive 1984 Vintage Guitar Effect Pedal Made in Japan ACA

This SD-1 was manufactured in November 1984 according to the Boss Pedal Serial Decoder. And is made in Japan. The name is BOSS SD-1, but it is a direct model of BOSS OD-1, and it makes a very good sound as a booster. There are some scratches, but it still works perfectly over 35 years after it was manufactured. OP-amp is JRC 4558DD. It is also well known to be used by Red Hot Chili Peppers guitarist John Frusciante. You can see the details on ebay. www.ebay.com/itm/385126996201 #ebay #boss #guitarpedal #overdrive #sd1 #Red Hot Chili Peppers #John Frusciante