Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
4.5 (6)
$37.50
Guitar Center
5.0 (1)
$39.95
Amazon
4.4 (145)
$37.48
Reverb
5.0 (1)
$20.44 7 available New
Musician's Friend
5.0 (10)
$39.95
Thomann
4.4 (74)
$18.90

Price History

Based on price data from 4 merchants for "Thomastik-Infeld Plectrum AC112". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Elevate your acoustic guitar's sound with the Thomastik-Infeld Plectrum AC112 strings, designed for musicians who crave both tone and comfort. These strings are renowned for their soft sound and low tension, making them a stellar choice for those who enjoy a mellow, yet resonant acoustic experience. The strings are crafted with precision, featuring brass coated steel for the plain strings, which offer a smooth and warm treble response. The wound strings boast a silk inlay combined with a highly flexible steel core, ensuring durability without sacrificing playability.

What's more, the G string is uniquely polished bronze flatwound, providing a balanced and articulate middle range, while the D, A, and low E strings are polished bronze roundwound for a rich and full-bodied bass. These nickel-free strings offer not only a pristine sound but also a comfortable playing feel, making them ideal for extended sessions without finger fatigue. Whether you're strumming gentle chords or fingerpicking intricate melodies, the Thomastik-Infeld Plectrum AC112 strings promise to enhance every note.

Key Features:

  • Soft sound and low tension for comfortable play
  • Gauges: .012, .015, .024, .033, .044, .059
  • Treble strings: Brass coated, plain steel
  • G string: Polished bronze flatwound
  • D, A, and E strings: Polished bronze roundwound
  • Nickel-free for safe, allergy-friendly performance

Product specs

Available since March 2006
Strength of the strings 0,012" – 0,059"
Material Bronze

FAQs

What type of sound can I expect from the Thomastik-Infeld Plectrum AC112 strings?

The Thomastik-Infeld Plectrum AC112 strings are known for their warm, mellow tone, making them ideal for fingerstyle and acoustic jazz music. The bronze material provides a balanced sound with clear articulation.

Are the Thomastik AC112 strings suitable for all acoustic guitars?

Yes, the Thomastik AC112 strings are designed for use on most standard acoustic guitars. However, their specific tone and feel may vary depending on the guitar's body style and construction.

How do the Thomastik AC112 strings compare to standard phosphor bronze strings?

Thomastik AC112 strings offer a softer, more nuanced tone compared to the brighter sound of standard phosphor bronze strings. This makes them particularly appealing for players seeking a more vintage or mellow sound.

What is the gauge of the Thomastik-Infeld Plectrum AC112 strings?

The Thomastik-Infeld Plectrum AC112 strings have a gauge range from 0.012" to 0.059", providing a balanced tension that suits various playing styles while maintaining comfortable playability.

Are these strings suitable for fingerstyle guitar playing?

Yes, the Thomastik-Infeld Plectrum AC112 strings are particularly well-suited for fingerstyle playing due to their warm tone and responsive feel, which enhance the nuances of fingerpicking techniques.

Christopher Wilkerson

Christopher Wilkerson

Thomastik-Infeld AC112 Plectrum bronze strings + Alvarez-Yairi DY52

Video thumbnail for Thomastik-Infeld AC112 Plectrum bronze strings + Alvarez-Yairi DY52 by Christopher Wilkerson

Thomastik-Infeld AC112 Plectrum bronze strings + Alvarez-Yairi DY52

Christopher Wilkerson

Christopher Wilkerson

Video thumbnail for Thomastik Infeld PLECTRUM STRINGS AC112 ライトゲージ レビュー by 野村昌毅

Thomastik Infeld PLECTRUM STRINGS AC112 ライトゲージ レビュー

野村昌毅

野村昌毅

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Thomastik-Infeld Plectrum AC112.

Features and functionality

  • Thomastik-Infeld Plectrum strings use brass-coated steel for the 1st and 2nd strings and combine silk inlays with flexible steel cores for the bass strings.

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  • The 3rd, 4th, and 5th strings are flatwound to reduce finger noise, while the 6th string is polished roundwound, minimizing tonal contrasts.

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Other

  • Owners highlight that these strings provide a magnificent tone, especially suitable for recording, although they have lower tension and volume compared to typical steel strings.

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Use cases and applications

  • Best used in mic'ed or intimate settings due to lower tension and volume, enhancing sound quality in such venues.

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  • Thomastik-Infeld Plectrum AC112 strings are particularly praised for their performance on Martin 000-15 models, offering exceptional sound quality and playability.

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Value and pricing

  • Despite a higher price point at around $25 per set, these strings are noted for their longevity, surpassing even Elixirs in durability.

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  • While considered too expensive for regular use, these strings are highlighted as a worthwhile splurge for their longevity and tonal benefits on specific guitars.

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User experience

  • One user pairs the Thomastik-Infeld Plectrum 12-59 set with a Taylor 814CE for an exceptional sound quality, especially when looking for the best tone.

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