Detail 01
18:1 gear ratio
Supports smooth, accurate tuning adjustment.
Product detailSKU #1500000429752
GroverMid-Size Rotomatics 305 Series Tuning Machines Black Chrome 3+3
1/8
Independent shopping perspective
The Korena take
The black chrome Mid-Size Rotomatics 305 set is a 3+3 tuner configuration for instruments with smaller headstocks. Its compact design is intended to keep the instrument balanced while the 18:1 ratio supports smooth, accurate tuning. Sealed, lubricated gears are described to resist slipping and provide long service life, including during performances. With a 22.4 mm post length that accommodates most string gauges, it suits a space-conscious hardware upgrade with a precise adjustment range.
Strong match
Who this is for
- Mounting a 3+3 tuner set on a smaller headstock while keeping the instrument balanced.
- Performance use where steady tuning and less time fine-tuning are priorities.
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
Sealed, lubricated gears
Designed for longevity and to prevent slipping.
Detail 03
22.4 mm post length
Accommodates most string gauges.
Final check
Know before you order
- 01Confirm that your instrument uses a 3+3 tuner arrangement.
- 02Check the 22.4 mm post length against your replacement requirements.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What tuner arrangement is this set?
It is a 3+3 configuration.
02What headstocks is the 305 Series designed to mount on?
Its compact design mounts to smaller headstocks.
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
- site51500000429752
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