Korena
Product detailSKU #1500000430095

GroverVintage Deluxe 138 Series Tuning Machines Gold

Grover
Grover Vintage Deluxe 138 Series Tuning Machines Gold

Independent shopping perspective

The Korena take

Gold Grover Vintage Deluxe 138 Series tuning machines pair a vintage appearance with sealed gearing for electric or acoustic guitar. The 14:1 ratio is designed for smooth, accurate tuning changes, useful when moving quickly between songs in a set or adjusting during a session. Permanently lubricated gears and stamped-steel housings keep maintenance out of the routine. Headstock style matters: the solid-headstock and horizontal slotted-headstock versions use different post-hole measurements.

Grover Vintage Deluxe 138 Series Tuning Machines Gold product detail
Product studyGrover Vintage Deluxe 138 Series Tuning Machines Gold

Strong match

Who this is for

  • Electric or acoustic guitar setups needing accurate tuning adjustments between songs during performance or recording sessions.
  • Solid-headstock guitars matching the 23/64-inch post hole and 27.8 mm post length.
  • Horizontal slotted-headstock guitars using 15/64-inch post holes.

Consider the trade-offs

When to look elsewhere

  • Slotted headstocks that do not use the horizontal model's 15/64-inch post holes.
  • Solid headstocks that do not match the listed 23/64-inch post-hole size.

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01

14:1 sealed, permanently lubricated gears

Provides smooth, accurate adjustment without routine gear lubrication.

Detail 02

23/64-inch post hole; 27.8 mm post length

These are the listed fit measurements for solid headstocks.

Detail 03

15/64-inch post holes on horizontal model

This measurement applies to the version intended for slotted headstocks.

Final check

Know before you order

  1. 01Confirm whether the guitar has a solid or slotted headstock before choosing a version.
  2. 02Match the appropriate listed post-hole measurement to the headstock.

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01What guitars are these tuning machines for?

They are described for electric or acoustic guitar.

02What is the gear ratio?

The tuning machines use a 14:1 gear ratio.

03Do headstock types use the same post-hole size?

No. Solid headstocks use 23/64-inch post holes; the horizontal model for slotted headstocks uses 15/64-inch holes.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

1 detailsBody & build
Color
Gold
1 detailsOther
Sealed Lubricated 14
1 gears

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