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🎶 Elevate your sound, own the stage — Martin strings, where tone meets tenacity!
Martin Strings Acoustic Guitar Strings (41Y18MA550) are medium gauge (.013-.056) phosphor bronze strings designed for professional acoustic guitars. Featuring a high tensile-strength core wire and corrosion-resistant wrap, they deliver bright, rich tones with excellent tuning stability. Ideal for diverse playing styles and genres, these strings offer balanced tension and durability, crafted by the renowned Martin brand trusted worldwide by musicians.









| ASIN | B07GTGW6H6 |
| Best Sellers Rank | #1,069 in Musical Instruments ( See Top 100 in Musical Instruments ) #34 in Acoustic Guitar Strings |
| Brand | Martin |
| Brand Name | Martin |
| Coating Description | coated |
| Country of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 2,420 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
3 weeks ago
2 weeks ago