Boss SG-1 Slow Gear Pedal- Japan - July 1979 - Black Label ( NO BOX) ( Pre Owned)

• This is one of BOSS's rarest and most collectible pedals, making it a highly sought-after item for guitarists and collectors. 

The BOSS SG-1 Slow Gear pedal, produced from 1979 to 1982, is a rare vintage effect that creates a volume swell, simulating the sound of a guitar's volume knob. Key specifications include a single 9V battery or AC adapter power source, a 470k Ohm input impedance, and a 400g weight. It features two controls: "Sens" for sensitivity and "Attack" for the response speed, along with a footswitch and a red LED for effect status.  

Key Specifications :

• Effect Type: Auto Volume Swell (Slow Gear)
• Production Period: 1979–1982
• Power: 9V battery or ACA-compatible AC adapter
• Current Draw: 3.9mA (DC 9V)
• Controls:
  • Sens (Sensitivity): Adjusts the threshold for the effect.
  • Attack: Controls the speed of the volume swell.
  • Footswitch: Turns the effect on and off.
• Jacks: Input, Output, AC Adaptor
• Dimensions: 70(W) x 55(H) x 125(D) mm (2-3/4" x 2-3/16" x 4-15/16")
• Weight: 400g (0.88 lbs.)
• Construction: "Made in Japan"

Key Features

• Volume Swell Effect: 

  The SG-1 filters out the initial attack of a note and gradually swells the volume, producing a smooth, violin-like sound.

  • Circuitry: 

    The SG-1 uses a similar circuit to the NF-1 Noise Gate but operates in reverse to create the swell effect. 

    • Rarity: 

      It is one of BOSS's rarest and most collectible pedals, making it a highly sought-after item for guitarists and collectors.