Gotoh SG381-07 MGT Magnum Lock Tuners 3x3 – Black

The Gotoh SG381-07 MGT Magnum Lock Tuners are a premium upgrade for guitars with a traditional 3-a-side headstock layout. Designed for performance, stability, and ease of use, these tuners feature Gotoh’s trusted thumbwheel Magnum Lock system for fast string changes and reliable tuning.

With smaller Gotoh 07-style buttons, this set is ideal for guitars where compact tuner size is preferred without sacrificing precision or feel.

Magnum Lock Thumbwheel System

The MGT (Magnum Lock Traditional) system provides secure string locking with a simple and effective design.

• Traditional thumbwheel locking mechanism
• Quick and easy restringing
• Improved tuning stability under heavy use

Designed for 3-a-Side Headstocks

This set is configured for guitars with three tuners on each side of the headstock.

• 3L + 3R configuration
• Perfect for Les Paul, SG and similar guitars
• Balanced string alignment and tension

Precision Tuning Performance

Engineered for smooth operation and accurate tuning control.

• 16:1 gear ratio for fine tuning adjustments
• Smooth rotation and stable feel
• Reliable performance for studio and stage

Compact Button Design

The Gotoh 07-style buttons are slightly smaller, making them ideal for tighter headstock layouts.

• Compact and comfortable feel
• Clean, modern look
• Improved ergonomics on smaller headstocks

Premium Build Quality

Built to Gotoh’s high standards, these tuners deliver long-term reliability.

• Pure black finish
• High-quality Japanese engineering
• Durable and road-ready

Installation Details

Designed for straightforward installation on compatible guitars.

• Requires 10mm (13/32") peg holes
• Fits headstocks up to 15.5mm thick
• Includes bushings, washers, and mounting screws
• Non-staggered posts (20mm height)

Specifications

• Model: SG381-07 MGT
• Configuration: 3L / 3R (3-a-side)
• Locking System: Magnum Lock Traditional
• Gear Ratio: 16:1
• Button Style: Gotoh 07
• Post Height: 20mm (non-staggered)
• Finish: Black
• Hole Size Required: 10mm (13/32")
• Max Headstock Thickness: 15.5mm

Why Upgrade to Locking Tuners?

Locking tuners reduce string slippage, improve tuning stability, and make restringing faster — a practical upgrade for any serious guitarist.

Professional Installation Available

At Angkor Music Melbourne, we offer professional installation and setup services.

We can fit these tuners, restring your guitar, and ensure everything is set up perfectly for optimal performance.

Frequently Asked Questions

What guitars use 3x3 tuners?
Most Les Paul, SG, and many acoustic guitars use a 3-a-side tuner layout.

Are these tuners staggered?
No. These feature non-staggered posts with a uniform height.

Will these fit my guitar?
They require 10mm holes and fit headstocks up to 15.5mm thick.

Do locking tuners improve tuning?
Yes. They help prevent string slippage and improve overall tuning stability.