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Thomastik-Infeld Plectrum Acoustic Guitar Strings

Thomastik-Infeld

Was: $30.99
Now: $28.99
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SKU:
AC11x
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Thomastik Infeld guitar strings are commonly considered the highest quality manufactured today.

Plectrum are soft sounding acoustic guitar strings with low tension on the bottom end.

The plain strings are brass coated steel and the wound strings have a silk inlay in combination with a highly flexible steel core.

The gauges and types of strings depend on the set:

AC110: 10p-13p-16flat-22flat-30flat-41round

AC111: 11p-14p-19flat-27flat-36flat-50round

AC112: 12p-15p-24flat-33round-44round-59round

Please note the AC112 set only contains one flatwound string (24 G).

For the AC110 and AC111, the A, D, G strings are polished bronze flatwound, Bass-E is polished bronze roundwound.

Try a set of Thomastik-Infelds today and you will see why they are famous worldwide.

 

 

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  • 5
    Different in great ways

    Posted by Phillip on Jan 3rd 2026

    Been playing acoustic for thirty years and tend to play without a pick, enjoy classical pieces, finger-style and sometimes acoustic rock like Zeppelin and Eric Johnson. Typically, the challenge has been the tension of all the light-gauge steel strings I've used of the years - some better than others but stiffer compared to nylon which I dove into for a few years. These Plectum 12-59s on my rosewood J-45 are unbelievable as the tone has more fundamental, is softer yet clear, the tension of the D, G, B and E strings feel like 11's but the depth of tone is 12's; they are not boomers for volume but more intimate and feel significantly different as it relates to the effort to chord and fret all over the neck. The tone is deep and clear with treble strings that are bright and balance well with the flat-would G thru the heavier bass strings. These strings would seem to be a great fit for smaller body acoustics; works great with mine. Well worth the price.