Detail 01
Hard tension
More pull at pitch. Louder, tighter response, less buzz on hard strokes, but a stiffer left hand.
Product detailSKU #1274034477965
D'AddarioEJ46C Pro-Arte Composites Hard Tension Classical Guitar Strings
1/2
Independent shopping perspective
The Korena take
Hard tension nylon set for classical guitar, with composite-filament trebles. For players who want more volume and a firmer feel than standard nylon trebles give.
Strong match
Who this is for
- Classical players who push volume and want trebles that keep up
- Anyone whose plain nylon trebles sound thin against the wound basses
- Players with a heavy right hand who overdrive normal tension
Consider the trade-offs
When to look elsewhere
- Steel-string acoustics or electrics — nylon needs a tie-block bridge
- Beginners building calluses; hard tension is stiffer under the fingers
- Players who want the softer, rounder tone of plain nylon trebles
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
Composite trebles
Denser than plain nylon, so the treble strings project louder and sit closer in volume to the wound basses.
Detail 03
Classical/nylon construction
Ball-less ends tied at the bridge. Only for guitars built for nylon string tension.
Detail 04
Pro-Arte series
D'Addario's standard classical line, sorted for consistent diameter so intonation stays even up the neck.
Final check
Know before you order
- 01Nylon needs stretching in; expect a day or two of retuning
- 02Tie-on ends — no ball ends, so learn the bridge knot
- 03Hard tension raises pull on the top; not for lightly built or old guitars
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will these fit my acoustic guitar?
No. These are nylon classical strings for a classical or flamenco guitar with a tie-block bridge. A steel-string acoustic needs steel strings and ball ends.
02What's the difference between hard and normal tension?
Hard tension pulls tighter at pitch. You get more volume and a firmer feel, at the cost of a stiffer left hand and more pull on the guitar's top.
03Why composite trebles instead of plain nylon?
Composite filament is denser, so the trebles project more and balance better against the wound bass strings. Plain nylon is softer and rounder sounding.
04How long do nylon strings last?
The wound basses go dull first, usually well before the trebles. Most players swap the whole set once the bass strings lose brightness.
