Detail 01
80/20 bronze
80% copper, 20% zinc. Brighter and louder in the top end than phosphor bronze, and it dulls faster.
Product detailSKU #1273888005983
GHSBB40M 80/20 Bronze Medium Acoustic Guitar Strings
Independent shopping perspective
The Korena take
Medium-gauge 80/20 bronze acoustic strings from GHS. For flatpickers and strummers who want volume and low-end push over easy fretting.
Strong match
Who this is for
- Bluegrass and hard flatpicking that needs volume and projection
- Dreadnoughts and jumbos built for higher string tension
- Players in open or dropped tunings needing tension to stay tight
Consider the trade-offs
When to look elsewhere
- Beginners — medium gauge is hard on untrained fingertips
- Small-body, parlor, or vintage guitars not braced for high tension
- Players who bend often; mediums fight back
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
Medium gauge
Higher tension. More volume, stronger bass, and better pick attack, but noticeably harder to fret and bend.
Detail 03
Acoustic-specific
Bronze windings are non-magnetic. These are for acoustic guitars, not electrics.
Detail 04
Ball end
Seats under standard bridge pins. Drop-in for any typical steel-string acoustic.
Final check
Know before you order
- 01Moving up to mediums adds neck tension — expect a truss rod adjustment and possible action change
- 02Confirm your guitar is rated for medium gauge; some smaller bodies are light-gauge only
- 03One six-string set. No tools or accessories included
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can my guitar handle medium strings?
Most full-size dreadnoughts can. Smaller bodies, older instruments, and anything the maker specifies as light-gauge-only should not be strung with mediums. Check with the builder if unsure.
02Will mediums make my guitar louder?
Yes, meaningfully. More mass and tension drive the top harder, which is why flatpickers prefer them. You pay for it in playing effort.
03How is this different from the ultra light set?
Same 80/20 bronze construction, much higher tension. Mediums give volume and low end; ultra lights give easy fretting. Switching between them usually needs a setup adjustment.
04Do these work on a 12-string?
No. A 12-string needs a dedicated 12-string set with octave strings. This is a standard six-string acoustic set.
