MID-SIZE ROTOMATICS® (305 SERIES)

The Mid-Size Rotomatics®(305 Series) is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning.

The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks.

  • Sealed-in, lubricated gears
  • 18:1 gear ratio
  • 25/64” post hole
  • Post length to hole: 22.4mm
  • Overall post length: 27.5mm
  • Weight per pc/per set: 1.2oz/7.2oz
  • Max. string gauge: .064”
  • Hardware included (bushings, washers, screws)
  • Drop-in replacement for:
    • 406 Series

Available in:
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 305N Nickel
No. 305C Chrome
No. 305G Gold
No. 305BC Black Chrome

For standard 6-in-line guitars, 6 Bass, Set of 6
No. 305N6 Nickel
No. 305C6 Chrome
No. 305G6 Gold
No. 305BC6 Black Chrome

For left-hand 6-in-line guitars (reverse headstock), 6 Treble, Set of 6
No. 305NL6 Nickel
No. 305CL6 Chrome
No. 305GL6 Gold
No. 305BCL6 Black Chrome

For 12-string guitars, 6 Treble and 6 Bass, Set of 12
No. 305N12 Nickel
No. 305C12 Chrome
No. 305G12 Gold
No. 305BC12 Black Chrome

Schematic Drawing

305 Series

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