






🎶 Elevate your sound with strings that mean business.
D'Addario Pro-Arte Carbon classical guitar strings combine advanced Dynacore composite basses and fluorocarbon trebles for superior intonation and vibrant tone. Featuring durable nylon tie-ends and silver-plated copper wraps, these medium gauge strings are precision-made in the USA. Packaged in a recyclable, resealable bag with a Players Circle rewards code, they offer both performance and community benefits for discerning guitarists.






















| ASIN | B00L1LL0PQ |
| Best Sellers Rank | 945 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 68 in Guitar Strings |
| Body Material | Copper |
| Colour | Silver |
| Country Produced In | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,469) |
| Date First Available | 1 Jan. 2010 |
| Item Weight | 27.2 g |
| Item model number | EJ45FF |
| Material Type | carbon |
| Number of Strings | 6 |
| Product Dimensions | 12.07 x 0.82 x 12.07 cm; 27.22 g |
| Size | 0240, .0272, .0331 basses .028, .035, .044 |
| String Gauge | Medium |
| String Material | Nylon |
| Styling | Wrap |
D**S
Worth a chance
Amazing strings! Compared to nylon, these are remarkably more bright and they sound so lovely and lifeful. I love the alive and clear sound of these strings, they have a lot of soul and they make my playing sound more premium and the tone has a slightly different 'colour' pallet which makes them perfect for me. No concerns from me, and I actually prefer them generally. 10+ years playing and comparing different string sets
L**D
Fine strings with a metal like tone
I love these strings. They came fitted on my Taylor 12eN and in this way I grew to like them. I have been playing and changing strings since I was 7 and Im now in my 50s so think Ive got a good grasp of it by now, both nylon and metal, and wanted a cross over nylon string guitar which for me is the 12eN for mainly folk, finger style material and these strings are part of the package for that sound in my opinion. The carbon strings I feel give a very cross over sound and feel good if your used to playing metal strings. They still have a lovely smooth nylon response and tone, but if played right can sound in a different class all of their own. They lend my own songs a style which Im glad seems to be individual, not too classical sounding, yet not too harsh as some metal strings can be, an in-between. Ive just fitted a set to the Taylor, and this is the first change it has had since new. Reading a previous review, Im hoping that a string doesn't break soon, but will update if I find this. I have played on the previous set the guitar came with now for about 8 months till I thought they was sounding dull and needed replacing. I have at times a very hard finger playing style with my nails (no plectrum though, as some people do with nylons these days), and can say that Ive not had any problems at all with snapping etc, so fingers crossed. On fitting I found that the top 2 strings (top B&E), needed 3 loops to hold them at the bridge end, as when tension was turned up the knot would come out. Update. Been on over a week now with no issues at all. Keeping full tension, playing on them hard and sounding a dream. I think because of the high tension of these strings, and the thinness of say the top E string, it’s best to go careful with them when bringing them up to full tension for a while. I have been very cautious with this set, and brought up to standard tuning very very slowly to avoid snapping as mentioned by other reviews, but I’d still rather fit these than other strings.
I**V
Bright tone and great feel
Very clear, bright tone and excellent projection. The carbon trebles feel smooth and responsive, and the tension is comfortable for long practice sessions. Easy to tune and stay in tune well. Fantastic upgrade for classical guitar players – highly recommended
A**E
String snapped
First string kept de-tuning when trying to tune up. When correctly tuned it snapped. After contacting D'addario they are sending me replacement sets. Also i have now got used to these strings and they are actually louder , brighter and have more projection than my old EJ46 sttrings.
D**D
Great
Finally I found a long long lasting and good quality strings
A**E
Good tone and feel will probably buy again
I have not tried so called carbon strings before. The name suggests that they are made of carbon fibre but this is not the case, they are made of a fluorocarbon polymer. They have a clear sound and its easy to hear the separate voices when more than one note is played together. The strings have settled in quickly and do not need much retuning each time I play. I don't quite know why but the strings have a good feel and seem a bit easier to play than my previous strings although I can't see why that should be.
J**R
It slashed my guitar
E,A,D strings tune up . G eventually settled down. Not a good sound. B string almost reached it's tune then sort of stretched and unable to get to B. The string snapped slashing my guitar. E string I wasn't brave enough to get the high e close to tune. Not Happy with the product.
M**N
Fantastic strings
I bought a new classical as I had not had one for a few years. It sounded shocking on arrival, so I hunted for a set of Daddario and found that since I last bought them the do these Carbon Strings, and my word they are amazing. They transformed my guitar into what I hoped I'd bought. Absolutely beautiful crystal highs and rich sonorous lows. These are amazing and are the only string I will be using from now on.
A**R
Nach Thomasik (davor Hannabach, Augustin) Nylon-Saiten, die mir etwas zu leise und weich waren, hab ich jetzt diese Carbon-Saiten aufgezogen. Auf der Elektroakustik Yamaha CGX 171CCA klingen sie wirklich super. Die Gitarre singt. Sogar die G-Saite ist nicht dumpf. Sie reagieren sehr dynamisch auf verschiedene Anschlagstärke. Die Bässe sind kräftig und auch nicht dumpf. Angeblich sind sie Normal-Tension, was aber zumindest subjektiv gar nicht stimmt. Die Saiten haben eine sehr hohe Spannung. Vibrato ist vor allem auf den Bass Saiten kaum realisierbar. Glissando ist sehr laut. Ich bin mir nicht sicher, ob ich diese Saiten auch auf eine zarte teure Konzertgitarre spannen würde, aber für mein Modell sind es bislang die mit Abstand besten Saiten. Sind hier auch bundrein. Bin begeistert vor allem von der G-Saite. Edit: Am 2. Tag, beim Üben von Läufen, also eher mäßige Beanspruchung, ist die Hohe E-Saite mittendrin (nicht am Sattel oder am Steg) gerissen. Vermutlich ein Fabrikations-Fehler.
(**B
Tuned the strings to standard tuning, but the treble strings wouldn't stay in tune. About a week later I woke up to find the strings had snapped overnight and had left a gash on my guitar's top where the strings hit the top. I regret trying these. They damaged my instrument, and were a waste of money. I've never had the treble strings snap on me before in maybe over 17 years of using D'Addario nylon strings. I cannot recommend these carbon strings. On the sound, they are brighter than the regular nylon strings I've used before. If you prefer a rounder, mellower classical sound, these won't do. If you like the brighter sound, closer to a steel string acoustic, then maybe these will work if they don't snap like mine did. They look thinner than regular nylons, and they appear to have higher tension (I bought normal tension ones), which is perhaps why they broke. Perhaps because of the higher tension, they also feel a bit louder and punchier, but not as deep.
O**A
Sono rimasto molto soddisfatto dall'utilizzo di queste corde. Ottime per rapporto qualità prezzo, in loro ho trovato il feedback giusto sulle dita e la durezza che mi serviva per affrontare i passaggi più veloci. Sicuramente le comprerò ancora! Sono sempre io, Owska!
H**S
I bought this in September (2022) but only got to string one of my classical guitars with it last Sunday (201122), looking forward to a beautiful rich sound. When I opened the packet, I noticed that the G string had a flaw in; kind of like little fray. I decided to go ahead anyway. Immediately after stringing the guitar, the sound was indeed beautiful; warm harmonics. However, the very next morning, after retuning, I discovered that all the treble strings were completely flat - dead - no harmonics whatsoever. A snare drum has a great deal more than those strings. A few minutes later… twang! The B string of all strings snaps. I restrung the guitar with Hannabachs and now my 1970 Yairi Gakki sounds beautiful again. Please note, this is not a dis of all Daddario strings. I like them and use them all the time, but this particular Carbon set is definitely a dud. Fortunately Amazon immediately reimbursed me following the return of the dud set. I would definitely NOT recommend this carbon set to my worst enemy.
M**M
TOP strings, quick delivered, good price Will order again when this one gets old
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