How to Use a Ruler or Feeler Gauge to Set Precise Bridge Height on Your Lefty Bass

Setting the correct bridge height on your left-handed bass is essential for optimal sound and playability. Using a ruler or feeler gauge allows for precise adjustments, ensuring your instrument performs at its best. This guide will walk you through the process step-by-step.

Tools You Will Need

  • A straight ruler or a digital caliper
  • A feeler gauge set
  • Screwdriver (appropriate for your bridge screws)
  • Optional: a tuner or electronic device to check pitch

Preparing Your Bass

Before adjusting, ensure your bass is tuned to pitch. Place the instrument on a stable surface or hold it securely while you work. Loosen the strings slightly if necessary to prevent tension from affecting the bridge height during adjustments.

Measuring the Current Bridge Height

Using your ruler or caliper, measure the distance from the top of the fret (preferably at the 12th fret) to the bottom of the string. This measurement gives you the current string height, which you can compare to your desired setting.

Using a Feeler Gauge

Insert the feeler gauge between the string and the fret. Select the thickness that matches your preferred string height. Commonly, players aim for about 1.5mm to 2.5mm at the 12th fret for bass guitars, but personal preference varies.

Adjusting the Bridge Height

Locate the bridge height adjustment screws. Using your screwdriver, gently turn the screws clockwise to raise the bridge or counterclockwise to lower it. Make small adjustments and re-measure after each turn to ensure accuracy.

Verifying and Fine-Tuning

After initial adjustments, recheck the string height with the feeler gauge. Play the bass to assess comfort and sound. Adjust further if needed for optimal playability and tone.

Final Tips

  • Make small adjustments to avoid overcorrecting.
  • Check each string individually, as they may require different heights.
  • Periodically re-tune your bass during adjustments.
  • Consult your instrument’s manual for specific instructions related to your model.

Using a ruler or feeler gauge to set your lefty bass’s bridge height ensures a consistent, comfortable playing experience. With patience and precision, your instrument will sound and feel its best.