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🎶 Elevate your sound, own the stage with Martin’s authentic strings!
Martin Strings Acoustic Guitar Strings (41Y18MA550) are medium gauge (0.013-0.056) phosphor bronze strings designed for bright, rich tones and superior tuning stability. Engineered with a high tensile-strength core and corrosion-resistant wrap, they offer durability for rigorous playing across genres. Trusted by professionals, these strings balance playability and authentic acoustic sound, making them a top choice for serious guitarists.









| ASIN | B07GTGW6H6 |
| Best Sellers Rank | #1,054 in Musical Instruments ( See Top 100 in Musical Instruments ) #33 in Acoustic Guitar Strings |
| Brand | Martin |
| Brand Name | Martin |
| Coating Description | coated |
| Customer Reviews | 4.7 out of 5 stars 2,399 Reviews |
| Finish Type | Bronze Plated |
| Global Trade Identification Number | 00729789557870 |
| Instrument | Acoustic Guitar |
| Item Type Name | Acoustic Guitar Strings |
| Item Weight | 30 Grams |
| Manufacturer | C. F. Martin & Co. |
| Manufacturer Part Number | 41Y18MA550 |
| Material Type | phosphor bronze |
| Model Name | MA550 Authentic Acoustic SP Phosphor Bronze Medium Gauge |
| Model Number | 41Y18MA550 |
| String Gauge | Medium |
| String Material Type | Phosphor Bronze |
| UPC | 729789557870 |
A**R
Great quality for price
Great quality strings, good sound to them
B**I
Love the strings
I put these ones on my Oscar Schmidt acoustic electric guitar, and they sound awesome! Very good price also I was really surprised I was able to get Martin at a price lower than $10 thank you for the company who offers this product through Amazon. I will be getting more strings a lot of my guitars got ruined in a fire mostly from the firefighters in the water but thank God I put my Brazilian guyanini and my Martin sigma established 1970 guitar was in a heavy case and then we have bass guitars they didn't get ruined thank God so I'll be getting strings for them too and also I have a Yamaha 12 string which I already have strings for and I didn't put them on but it got ruined in the back from the water cuz it wasn't in a case but anyway you don't even know everything I guess but I just want to let you know these things are awesome I think I'm going to get something a little heavier for any other guitar but that's right I forgot two of them were stolen and one of our bass guitars and it was worth over $1,000. It was a hollow body ovation from the 1960s in the other one was the 12th string Wilson with pearl inlays. I wish I still had them so I can't buy the strings from this company. Thank you for this again I think I'm depressed sorry I'm writing too much but I love you these strings and I love my guitar but I love God more than anything
D**E
Ottima qualità con sonorità scura
Qualitativamente nulla da dire!! Le corde Martin sono una certezza. Per la prima volta monto delle 0,13 e devo dire che non sono poi così dure come mi aspettavo (arrivo dalle 0,12 d’altronde, ma anche chi arriva da 0,11 non avrà grossi problemi). Ho sempre montato le 80/20 della Martin, che hanno un suono più squillante, mentre queste SP sono abbastanza scurette, con suoni più cupi, molto adatte alle sonorità Jazz, e non mi hanno fatto impazzire. I cantini non stridono mai, sono fantastici nello Strumming perché non danno mai fastidio, ma manca quella punta di Alti negli assoli, se non fai Jazz. I bassi me li aspettavo un po’ più profondi, mentre l’intonazione è fantastica e difficilmente si scordano. Insomma è amore e odio nel mio caso, ma questo è solo gusto personale.
J**M
Do not buy
These strings are very bad, they have went rusty after about 4 hours of use. They are very gritty upon use and not smooth whatsoever. Would not recommend that you but these strings. Fast delivery but awful quality.
E**S
Perfecto!
Perfecto!
Trustpilot
2 days ago
5 days ago