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SonoTone Introduces Concert Series Premium Brass Acoustic Guitar Strings

The new strings are available in three different gauges and is made of brass amalgam.

Allston, MA (February 9, 2021) -- SonoTone, the Massachusetts-based manufacturer of boutique, premium guitar strings, has debuted its Concert series of acoustic guitar strings. SonoTone Concert brass strings offer guitarists, luthiers and vintage instrument collectors, alike, the opportunity to outfit their instruments with strings formulated using an 80/20 bronze wrap-wire on steel-string acoustic guitars, before the advent of phosphor bronze strings.

Manufactured in the U.S. using domestically sourced metals, SonoTone Concert brass strings offer folk, bluegrass and americana music players and fans the ability to achieve the same bright acoustic guitar tone and percussive attack heard on recordings of an earlier era, along with enhance the right-hand responsiveness, whether picking with or without a plectrum.


  • Brass amalgam reproduces standard 80/20 bronze guitar strings used on vintage steel-string acoustics
  • Available in three gauge sets (11-50, 12-53, 13-56) for $18.99 each
  • All SonoTone premium strings are made in small batches in the U.S. and sold directly to consumers via in the U.S. and in select European countries through Fulfillment by Amazon, as well as in Japan through the manufacturer's distribution partner

The Sound and Feel of Yesteryear

The SonoTone Concert series represents the culmination of over three years of experimentation with various materials and manufacturing techniques by SonoTone founder P.K. Pandey. Having spent more than 25 years on a quest for impeccable tone, both as a studio recording engineer and A/V systems design/build engineer, Pandey's journey eventually led him to reconsider the fundamental medium and point-of-contact between the player and the guitar, the material source of the instrument's "voice" — the guitar strings.

Starting from this fundamental level, Pandey tested different metals, amalgams, and manufacturing processes until he eventually found the hard-won formula, known only to him, which at last recreated the vintage tone and feel of the guitars he remembered playing as a kid.

Unlike many contemporary, machine-made strings produced in bulk quantities outside the U.S. at mass-market, commodity prices, SonoTone Concert strings use highest-quality materials, with additional measures taken throughout the manufacturing process to optimize string behavior, playability, tuning stability and longevity — without using any coatings, so that only the pure elements that make up the string-wire ring out, unencumbered, through the entire body of the guitar.

Watch the company's video demo:

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