Pricing and availability

We compare 600+ stores and found this item at 4 stores. Prices updated .

Guitar Center
4.5 (9)
$97.88
Musician's Friend
4.0 (6)
$97.88
Thomann
4.7 (32)
$58.00 $57.00 $1.00 · All time low

Price History

Based on price data from 3 merchants for "Gotoh MG Magnum Lock Locking Tuners". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unlock your guitar's full potential with the Gotoh MG Magnum Lock Locking Tuners—an upgrade that brings precision and reliability to every performance. Renowned for their Magnum Locking System, these tuners employ an innovative design that self-locks with string tension, ensuring your instrument stays perfectly in tune, even when you're putting that whammy bar through its paces. Easy to install and crafted with care in Japan, they offer a seamless fit for any guitarist looking to enhance tuning stability without adding unnecessary weight to the headstock.

The closed construction and small metal buttons provide a sleek, durable aesthetic, while the smaller string holes on the first three machine heads guarantee improved tuning stability. With a 1:16 gear ratio, these tuners deliver smooth and precise tuning adjustments, making them a smart choice for both stage and studio. Whether you're a touring professional or a passionate hobbyist, the Gotoh MG Magnum Lock Locking Tuners are a reliable companion for your musical journey.

Key Features:

  • Gotoh MG (Magnum) Locking System
  • Self-locking due to string tension
  • Smaller string holes on the 1st, 2nd, and 3rd machine heads for improved tuning stability
  • Configuration: 6 Left
  • Closed construction with small metal buttons
  • Gear ratio: 1:16
  • Shaft length (to string hole): 20 mm
  • Bore: 10 mm
  • Attachment: Screw(s) & hexagon banjo bolt
  • Screw tab angle: 45°
  • Includes fastening screws and hexagonal banjo screws
  • Made in Japan

Product specs

Available since May 2020
Colour Chrome
Locking No
Design Modern

FAQs

Are Gotoh MG Magnum Lock Locking Tuners easy to install on my guitar?

Yes, Gotoh MG Magnum Lock Locking Tuners are designed for easy installation, typically requiring just a screwdriver and minimal adjustments. Ensure your guitar's headstock is compatible with the tuner size and configuration.

Do Gotoh MG Magnum Lock Locking Tuners improve tuning stability?

Yes, these locking tuners are designed to enhance tuning stability by securely clamping the string in place, reducing slippage and maintaining consistent tuning during play.

Are Gotoh MG Magnum Lock Locking Tuners suitable for all guitar types?

These tuners are generally suitable for most electric and acoustic guitars with a compatible headstock configuration. It's important to check the tuner dimensions and your guitar's specifications for compatibility.

What is the gear ratio of Gotoh MG Magnum Lock Locking Tuners?

Gotoh MG Magnum Lock Locking Tuners feature a low gear ratio, which allows for precise tuning adjustments and smooth operation.

Do Gotoh MG Magnum Lock Locking Tuners add weight to the guitar headstock?

Locking tuners may add slightly more weight compared to standard tuners, but the Gotoh MG Magnum Lock is designed to minimize this impact while providing enhanced tuning stability.

FastRedPonyCar

FastRedPonyCar

Gotoh Locking Magnum Tuners - Direct Les Paul Replacement

Video thumbnail for Gotoh Locking Magnum Tuners - Direct Les Paul Replacement by FastRedPonyCar

Gotoh Locking Magnum Tuners - Direct Les Paul Replacement

FastRedPonyCar

FastRedPonyCar

Video thumbnail for Gotoh magnum lock by TonetechTV

Gotoh magnum lock

TonetechTV

TonetechTV

Video thumbnail for Gotoh MG Magnum Lock tuners - How to use easily, tip & tricks. by Kiiras Instruments

Gotoh MG Magnum Lock tuners - How to use easily, tip & tricks.

Kiiras Instruments

Kiiras Instruments

Video thumbnail for Gotoh Magnum Locking Tuners - unlock easy|Howto's #shorts by Have Guitar

Gotoh Magnum Locking Tuners - unlock easy|Howto's #shorts

Have Guitar

Have Guitar

Reviews

PROS

  • Fool-proof self-locking mechanism, no need for a separate locking knob

  • Lightweight design compared to traditional locking tuners

  • Easy installation process for quick upgrades

  • Solid tuning action with excellent tuning stability

  • Unique design with different sized holes for top and bottom strings

  • High-quality build that withstands rigorous playing

  • Keeps guitars in tune effectively, even after heavy use

  • Ideal for quick string changes, even in low-light situations

  • Improved string pressure distribution reduces breakage

  • Works well with various guitar styles and setups

CONS

  • Attaching screws may break if not pre-drilled properly

  • Poorly translated instructions can cause confusion during installation

  • Shorter shafts may not suit all guitar headstocks

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Gotoh MG Magnum Lock Locking Tuners.

Features and functionality

  • The SG381-04 MGT model features a modern wheel on the back for string locking, enhancing ease of use compared to the top-loaded SG381-04 MG model.

    Source
  • Left-handed versions of Gotoh tuners are available, making them suitable for 12-string guitars with opposite headstock configurations.

    Source

Comparisons

  • The SG381-04 MG model is lighter, which is beneficial for reducing the overall weight of a guitar, especially when using typically heavier locking tuners.

    Source
  • Some users prefer Gotoh tuners over Hipshot tuners with adaptor plates, citing the superior aesthetics of Gotohs.

    Source

User experience

  • Owners of the SG381 MGT model note its rock-solid performance, often preferring its modern aesthetic and functionality over traditional designs.

    Source

Use cases and applications

  • Gotoh SD91 tuners are recommended for vintage 11/32 inch peg holes on Warmoth necks, offering a mix of vintage appeal with modern functionality.

    Source

Mods and upgrades

  • For strat builds, staggered Gotoh tuners combined with a Tusq nut may eliminate the need for a string tree.

    Source

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