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

AllParts Music Corporation

-Houston TX 77041United Stateshttps://www.allparts.com/

Australasian Music Supplies

-Melbourne VIC 3000Australiahttps://www.austmusic.com.au/

Guitar Center

-Thousand Oaks CA 91359United Stateshttps://www.guitarcenter.com/

John H Skews & Co, Ltd.

-Gaforth Leeds LS25 2HrUnited Kingdomhttps://www.jhs.co.uk/

Musicians Friend (Guitar Center)

-Medford OR 97504United Stateshttps://www.musiciansfriend.com/

Plus Music Products

-Thornville OH 43076United Stateshttps://www.ebay.com/str/plusmusicproductsonline

Skyway International, Inc.

-Exton PA 19341United Stateshttps://www.skywayint.com/

Skyway International, Inc. (sporthitech)

-Exton PA 19341United Stateshttps://sporthitech.com/collections/grover

Stewart-McDonald Mfg Co

-Athens OH 45701United Stateshttps://www.stewmac.com/

Sweetwater Music

5501 US Hwy 30 WestFort Wayne IN 46818United Stateshttps://www.sweetwater.com/

WD Music Products, Inc.

-North Fort Myers FL 33903United Stateshttps://www.wdmusic.com/

Warwick GmbH & Co – Austria

-- Austriahttps://shop.warwick.de/

Warwick GmbH & Co – Belgium

-- Belgiumhttps://shop.warwick.de/

Warwick GmbH & Co – Czechoslovakia

-- Slovakiahttps://shop.warwick.de/

Warwick GmbH & Co – Germany

-- Germanyhttps://shop.warwick.de/

Warwick GmbH & Co – Italy

-- Italyhttps://shop.warwick.de/

Warwick GmbH & Co – Poland

-- Polandhttps://shop.warwick.de/

Warwick GmbH & Co – Portugal

-- Portugalhttps://shop.warwick.de/

Warwick GmbH & Co – Spain

-- Spainhttps://shop.warwick.de/

Warwick GmbH & Co – Switzerland

-- Switzerlandhttps://shop.warwick.de/
Scroll to Top