Pickup Height Adjustment; Truss Rod Adjustment - Yamaha TRBX174 Owner's Manual

Electric bass

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The curvature of the neck should be slightly concave.

Clockwise rotation of the nut tightens the rod and corrects for too

much concave bow. Counterclockwise rotation of the nut loosens

the rod and corrects for too much convex bend. Make any adjust-

ments gradually. Allow five to ten minutes for setting, and check

the curvature after each 1/2 turn of the truss rod nut.

If too much

convex bend

concave bow

NOTE: Unless you have experience with truss rods, we sug-

gest that you entrust this adjustment to your dealer.

The height of the pickup (i.e. distance from the strings) affects

gain — the higher the pickup, the louder the sound, and vice ver-

sa. If the pickup is set too high, sustain and playability will suffer

because of the magnetic pull on the strings. Adjust overall height

using the screws located at either side of the pickup.

For optimal performance, we recommend measuring a distance of

2-3 millimeters between the bottom of string and the of the top of

adjustable pole piece while fretting the highest fret.

concave

convex

PICKUP HEIGHT ADJUSTMENT

Pickup adjustment screws

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