SUPER ROTOMATICS® (109 SERIES)

The Super Rotomatics®(109 Series) 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The sealed-in lubrication assures smooth gear-and-worm movement for the life of the machine. With 14:1 gear ratio.

The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service.

  • Sealed-in, lubricated gears
  • 14:1 gear ratio
  • 25/64” post hole
  • Post length to hole: 23mm
  • Overall post length: 28.2mm
  • Weight per pc/per set: 1.6oz/9.6oz
  • Max. string gauge: .074”
  • Hardware included (bushings, washers, screws)
  • Drop-in replacement for:
    • 102-18 Series
    • 102V Series
    • 103 Series
    • 106 Series
    • 109-18 Series
    • 135 Series (Top mounting hole will be visible)
    • 136 Series (Top mounting hole will be visible)
    • 502 Series
    • 509 Series

Available in:
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 109N Nickel
No. 109C Chrome
No. 109G Gold
No. 109BC Black Chrome

Schematic Drawing

109 Series

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