Detail 01
Calibrated gear ratios
Each string has a balanced ratio so tuning adjustments react consistently; a half turn equals a semitone.
Product detailSKU #1500000398488
Graph TechRatio 3+3 Retro Tuning Machine Heads Nickel 6 String
1/8
Independent shopping perspective
The Korena take
A retro-style, right-handed 3+3 Ratio tuner set designed to make tuning adjustments feel consistent across all six strings.
Strong match
Who this is for
- Vintage-style electric guitars with 3+3 side tuners
- Players who want calibrated gear ratios for predictable tuning adjustments
- Right-handed 6-string applications
Consider the trade-offs
When to look elsewhere
- Modern tuner replacements requiring a direct fit
- Guitars without 11/32 in (0.346 in / 8.8 mm) peghead holes
- Non-3+3 side-tuner configurations
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 02
Vintage-spec peghead holes
The set is made for 11/32 in (0.346 in / 8.8 mm) holes.
Detail 03
3+3 configuration
The six machine heads are arranged for three tuners per side.
Final check
Know before you order
- 01Confirm your peghead holes are 11/32 in (0.346 in / 8.8 mm).
- 02These vintage-spec retro tuners are not a direct replacement for a modern tuner.
- 03Verify that your guitar uses a right-handed 3+3 side-tuner layout.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Are these tuners a direct replacement for modern tuners?
No. They are made to a vintage specification and will not be a direct replacement for a modern tuner.
02What peghead-hole size do these require?
They require 11/32 in holes, specified as 0.346 in (8.8 mm).
03What guitar layout are they made for?
They are a right-handed 3+3 set for vintage-style electric guitars using 3+3 side tuners.
04How do Ratio tuners make tuning more consistent?
Their gear ratios are balanced to each string so every string reacts the same to a tuning adjustment; a half turn is a semitone.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51500000398488
Worth comparing
1 of 12
