The Boss SD-1 Super Overdrive, a staple since 1981, epitomizes the quintessential gain pedal. With the pioneering asymmetrical clipping circuit from the 1977 OD-1 Overdrive, it delivers lush, velvety, and highly musical overdrive tones, inspiring guitarists globally.
Nominal Input Level
-20 dBu
Input Impedance
1 M ohm
Nominal Output Level
-20 dBu
Output Impedance
1 k ohm
Recommended Load Impedance
10 k ohms or greater
Bypass
Buffered bypass
Controls
DRIVE knob
TONE knob
LEVEL knob
Pedal switch
Indicator
CHECK indicator (Used for indication of check battery)
Connectors
INPUT jack: 1/4-inch phone type
OUTPUT jack: 1/4-inch phone type
DC IN jack
Power Supply
Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61)
AC adaptor (PSA series: sold separately)
Current Draw
10 mA
Expected battery life under continuous use
Carbon: Approx. 60 hours
Alkaline: Approx. 90 hours
*These figures will vary depending on the actual conditions of use.
Accessories
Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”)
Carbon-zinc battery (9 V, 6F22)
Options (sold separately)
AC adaptor: PSA series
Size and Weight
Width
73 mm
2-7/8 inches
Depth
129 mm
5-1/8 inches
Height
59 mm
2-3/8 inches
Weight (including battery)
360 g
13 oz
* 0 dBu = 0.775 Vrms
*The specifications are subject to change without notice.