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On-Stage GTA7800 True-Bypass Pedal Tuner

Brand: On-Stage


Item: #354513
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An affordable yet rugged solution for your Bass or Guitar pedal board and amp setup! Our GTA7800 True-Bypass Pedal Tuner allows the player to tune on stage without being heard by the audience. Features include a bright LED display for easy viewing, a durable metal case, and calibration from 436 Hz to 444 Hz. The flat option allows you to lower the reference pitch by 7 half steps. Battery power (9V Battery) as well as 9V/DC jack for power supply. 

On-Stage GTA7800 True-Bypass Pedal Tuner features:

  • Two-piece die cast aluminum housing offers lasting durability
  • All-steel input and outputs and die-cast alumium housing offers lasting durability
  • Strategically placed rubber strips to prevent slippage
  • Bright, easy to read LED display. Red LED fine-tuning meter with green target LED.
  • True-Bypass circuitry provides for zero signal distortion
  • Selectable Mute mode silences output while tuning
  • Flat tuning option, up to 7 downward 1/2-steps (perfect 5th) with LED
  • Calibration from 436 Hz - 444 Hz
  • Ventral battery compartment with removable battery door


  • Dimensions: 4.5" x 2.75" x 1.75"
  • Weight: 0.7 lbs (11.3 oz/320g)
  • Power: 9V Battery (included); 9V/DC jack for power supply (power supply not included)
  • Switch: 3PDT True-Bypass


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Additional Resources

How to Clean Strings

Posted on July 07, 2010

Fixing Problems in a Practice Session

Posted on October 26, 2010

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