Yamaha SG

SG1820 SG1820A SG1802 SBG1820 SBG1820A SBG1802
General Construction Set-in Set-in Set-in Set-in Set-in Set-in
Scale Length 24-3/4" (628.6mm) 24-3/4" (628.6mm) 24-3/4" (628.6mm) 24-3/4" (628.6mm) 24-3/4" (628.6mm) 24-3/4" (628.6mm)
Body Body Materials Maple / Mahogany Maple / Mahogany Maple / Mahogany Maple / Mahogany Maple / Mahogany Maple / Mahogany
Body Finish Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane
Neck Neck Materials Mahogany 3-Piece Mahogany 3-Piece Mahogany 3-Piece Mahogany 3-Piece Mahogany 3-Piece Mahogany 3-Piece
Neck Finish Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane Gloss Polyurethane
Fingerboard Materials Rosewood Rosewood Rosewood Rosewood Rosewood Rosewood
Fingerboard Radius 13-3/4" (350mm) 13-3/4" (350mm) 13-3/4" (350mm) 13-3/4" (350mm) 13-3/4" (350mm) 13-3/4" (350mm)
Fret wire Medium Jumbo Medium Jumbo Medium Jumbo Medium Jumbo Medium Jumbo Medium Jumbo
Number of frets 22 22 22 22 22 22
Nut materials Graph Tech TUSQ Graph Tech TUSQ Graph Tech TUSQ Graph Tech TUSQ Graph Tech TUSQ Graph Tech TUSQ
Neck Width @ 0 Fret / 12th Fret 43.0 / 52.6 mm 43.0 / 52.6 mm 43.0 / 52.6 mm 43.0 / 52.6 mm 43.0 / 52.6 mm 43.0 / 52.6 mm
Thickness @1st Fret / 12th Fret 20.5 / 25.0 mm 20.5 / 25.0 mm 20.5 / 25.0 mm 20.5 / 25.0 mm 20.5 / 25.0 mm 20.5 / 25.0 mm
Electronics Neck Pickup Seymour Duncan '59 SH-1n EMG 85 Seymour Duncan SP90-3n S.Duncan '59 SH-1n EMG 85 Seymour Duncan SP90-3n
Middle Pickup - - - - - -
Bridge Pickup Seymour Duncan '59 SH-1b EMG 81 Seymour Duncan SP90-3b Seymour Duncan '59 SH-1n EMG 81 Seymour Duncan SP90-3b
Controls Front Volume, Rear Volume, Front Tone, Rear Tone Front Volume, Rear Volume, Front Tone, Rear Tone Front Volume, Rear Volume, Front Tone, Rear Tone Front Volume, Rear Volume, Front Tone, Rear Tone Front Volume, Rear Volume, Front Tone, Rear Tone Front Volume, Rear Volume, Front Tone, Rear Tone
Pickup Switch 3-Position Toggle Switch 3-Position Toggle Switch 3-Position Toggle Switch 3-Position Toggle Switch 3-Position Toggle Switch 3-Position Toggle Switch
Hardware Bridge TonePros AVRII TonePros AVRII TonePros AVRII TonePros AVRII TonePros AVRII TonePros AVRII
Tremolo Arm - - - - - -
String spacing 10.4mm 10.4mm 10.4mm 10.4mm 10.4mm 10.4mm
Tailpiece TonePros, T1Z TonePros, T1Z TonePros, T1Z TonePros, T1Z TonePros, T1Z TonePros, T1Z
Tuning Machines Grover Locking Tuners Grover Locking Tuners Grover Locking Tuners Grover Locking Tuners Grover Locking Tuners Grover Locking Tuners
Pickguard 2-Ply Ivory 2-Ply Ivory - 2-Ply Ivory 2-Ply Ivory -
Others String gauge D'Addario EXL110 / 0.010-0.046 D'Addario EXL110 / 0.010-0.046 D'Addario EXL110 / 0.010-0.046 D'Addario EXL110 / 0.010-0.046 D'Addario EXL110/ 0.010-0.046 D'Addario EXL110 / 0.010-0.046
Case Hardshell Case Hardshell Case Hardshell Case Hardshell Case Hardshell Case Hardshell Case
Special Features I.R.A. Treatment I.R.A. Treatment I.R.A. Treatment I.R.A. Treatment I.R.A. Treatment I.R.A. Treatment