How to Adjust the Edge III Tremolo

Written by matthew anderson
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How to Adjust the Edge III Tremolo
(Jupiterimages/ Images)

The Edge III is a floating tremolo bridge manufactured by Ibanez. It is used exclusively on their less expensive guitar series, such as the RG Tremolo series (the Prestige and J-Custom series use different bridge designs). Adjusting the Edge III bridge's height and angle is similar to adjusting other floating tremolo bridges. The Edge III should be level with the guitar body when it is adjusted properly.

Skill level:
Moderately Easy

Things you need

  • Allen key
  • Screwdriver

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    Adjust Edge III Height

  1. 1

    Loosen the locking bridge clamps using the Allen key. You do not have to remove the clamps, only loosen them enough to allow the strings underneath to move unimpeded.

  2. 2

    Loosen the strings using the tuning keys on the headstock. Do not remove the strings completely; only loosen them enough so that the strings are no longer under tension.

  3. 3

    Turn the stud lock screws on both sides of the Edge III to adjust the height. Turning the screws clockwise lowers the bridge. Turning the screws counterclockwise raises it.

  4. 4

    Tune the strings.

    Adjust Edge III Angle

  1. 1

    Observe the angle of the bridge in relation to the guitar body before adjusting the angle of the Edge III, then loosen the strings.

  2. 2

    Turn both of the spring plate screws a quarter turn. The spring plate screws are located in the cavity in the back of the guitar body. Turn the screws clockwise if the bridge is leaning forward. Turn the screws counter-clockwise if the bridge is leaning backward.

  3. 3

    Tune the strings. Check the new angle of the bridge in relation to the guitar body.

  4. 4

    Repeat Step 2 and Step 3 until the bridge is level with the guitar body. It usually takes a couple of adjustments to set the Edge III angle correctly.

Tips and warnings

  • The height of the individual strings on the Edge III tremolo cannot be adjusted separately. You can only raise or lower the entire bridge.
  • The proper angle for the Edge III bridge is reached when the string tension and bridge spring tension are equal. Different guitar tunings have different string tension. Unlike fixed bridge guitars, Edge III tremolo-equipped guitars need to be readjusted any time the guitar tuning is to be changed.

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