What does string gauge even mean?

Gauge refers to the diameter of a string. Gauges are described in thousandths of an inch and can be found listed on the back of a string pack. Overall, string gauges are classified as: Extra light, Custom light, Light, Medium and Heavy

What is your experience Level?

Lighter - Easier to fret (important for beginners) and to bend. Better resonance under a lighter touch, common when first starting out. Heavier- Bigger sound provide more volume and resonance. Better tuning stability tays in tune longer.

Consider the body size of your guitar.

Lighter - Exert less tension and are typically recommended for smaller bodied guitars such as 0, 00, 000, and OM, plus all cutaway models Heavier - Exert more tension and are typically recommended for larger body sizes

What style of music do you play?

Lighter - Good choice for rock, folk, country, and blues style playing with a lighter attack (plucking) Heavier - Good choice for rock, country, and blues style playing with a harder attack

What sound are you going for?

Lighter - Offer appropriate volume and range for playing in an intimate setting. Heavier - Produces more volume and sustain. Great choice if you’re accompanied by other players.

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Description

🎸 Elevate your sound, own the stage — don’t let your guitar’s true voice go unheard!

PLAY COMFORTABLY - Light gauge strings (12-54) reduce finger fatigue while delivering bright, articulate notes.
UNLEASH TRUE TONE - Crafted with premium 92/8 phosphor bronze for rich, balanced sound that elevates every strum.
STAY IN TUNE LONGER - Tin-plated core wire boosts tuning stability and corrosion resistance for marathon jam sessions.
PRO GRADE RELIABILITY - Trusted by musicians since 1833, these strings withstand rigorous practice and performance.
VERSATILITY MEETS DURABILITY - Perfect for fingerpicking or flat-picking across genres from blues to bluegrass.

Martin MA540 Authentic Acoustic strings are professional-grade, light-gauge (12-54) phosphor bronze strings featuring a tin-plated, high-tensile core wire for superior tuning stability and corrosion resistance. Designed for versatile play styles and long-lasting performance, they deliver a bright, balanced tone ideal for acoustic guitars across multiple genres.

Specifications

ASIN	B07GTCQJMP
Body Material Type	Phosphor Bronze
Brand Name	Martin
Coating Description	Phosphor Bronze Coating
Color	Original Version
Customer Reviews	4.7 4.7 out of 5 stars (19,700)
EU Spare Part Availability Duration	2 Years
Finish Type	Phosphor Bronze
Global Trade Identification Number	00729789557863
Included Components	6 guitar strings
Instrument	Acoustic Guitar
Item Type Name	Acoustic Guitar Strings
Item Weight	0.3 Grams
Manufacturer	C. F. Martin & Co.
Manufacturer Part Number	41Y18MA540
Material Type	Phosphor Bronze
Model Name	MA540 Authentic Acoustic SP Phosphor Bronze Light Gauge
Model Number	41Y18MA540
Recommended Uses For Product	acoustic_guitar
Set Name	6-String Kit
String Gauge	Light
String Material Type	Phosphor Bronze
UPC	729789557863

Reviews

U**Y

Still the best

Last long and don't break.

9.10.2023

K**.

Ball End Issue

The B string’s ball end easily uncoiled during restringing my guitar.

29.01.2026

A**V

It was good, my brother liked it.

26.08.2025

K**M

This has became my favourite guitar strings after playing with various types for 11 years. I have a Martin D35. This set of strings sounded very good on my guitar.

28.05.2019

R**K

Excellent product!!!

17.02.2026

L**I

Ottime corde, suonano bene e le consiglio

27.11.2019

R**Y

I purchase this one to replace my old "extra light" strings. This one sounds better and very soft in my ears. Love it

26.06.2015

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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3 weeks ago

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2 months ago

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Free Returns

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15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Fantastic experience overall. Will recommend to friends and family.