Electronic States — Boss SD-1 Mods & Notes Here's the service diagram...
Boss 40th Anniversary Limited Edition SD-1 Super Overdrive Pedal at Gear4music
SD-1 Super Overdrive - BOSS - Max Guitar – Max Guitar
BOSS SD-1 Super OverDrive Pedal
NPD! Boss SD-1 40th Anniversary! | Telecaster Guitar Forum
PSA: The BOSS SD-1 40th anniversary edition is SMT and therefore, not moddable. : r/diypedals
Boss SD-1 Super Overdrive 1981 - 1988 Made In Japan | Reverb
BOSS - SD-1 | SUPER OverDrive
KEELEY MODDED BOSS SD 1 SUPER OVERDRIVE | Gbl Guitars
TONEHOME - the World of Vintage Guitar Effects Pedals - SD-1 Super OverDrive
Boss SD-1 | MarshallForum.com
Boss SD1 Overdrive - soundshop.ie
Guitar Pedal X - News - Boss Releases Anniversary Inverted Colour Edition of its SD-1 Super OverDrive (Black with Yellow Labels) to Celebrate 40 Years of that much loved circuit
Boss SD-1 Super Overdrive Pedal - Nearly New at Gear4music
Boss SD-1 Overdrive – Thomann Ireland
Boss debuts limited-edition anniversary SD-1 Super Overdrive and MT-2 Metal Zone pedals | Guitar World
Boss SD-1 Super Overdrive Pedal - Five Star Guitars
NPD 1984 mij boss sd-1. This thing has some mojo! : r/guitarpedals
Boss SD-1 | Super Overdrive | Guitar Pedal Effect
Boss SD-1 -4A Super OverDrive 40th Anniversary « Guitar Effect
BOSS SD-1 SUPER OverDrive
BOSS SD-1 Appreciation. | The Gear Page
SD-1 | SUPER OverDrive - BOSS
