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DTJS111

Thomastik JS111 Jazz Swing Series Flatwound Set 11/47


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The Thomastik-Infeld JS111 Jazz Swing is the gold standard light flatwound string set engineered specifically for jazz archtops, hollowbody, and semi-hollow electric guitars. Handcrafted in Vienna, this light .011–.047 gauge set combines supple round steel cores with glassy-smooth, finely polished pure nickel flat ribbon windings, producing the quintessential velvety jazz tone with deep fundamentals and rich acoustic overtones.

Widely regarded by touring professionals and studio players as the finest flatwound guitar string ever made, the JS111 provides exceptional low-tension flexibility, zero finger squeak, and reduced fretboard wear. Australian jazz guitarists value this set for its balanced string-to-string tension, brass-plated plain trebles that temper high-end harshness, and a wound G string that ensures spot-on chord intonation across complex jazz voicings.

Features

  • Benchmark true flatwound 6-string set designed for jazz, archtop, hollowbody, and solid-body electric guitars
  • Supple round steel core delivers unmatched flexibility, reduced finger fatigue, and low-tension comfort
  • Glassy-smooth, polished pure nickel flat ribbon winding virtually eliminates finger squeak and fret wear
  • Produces a mellow, woody fundamental with singing sustain and articulate harmonic depth
  • Brass-plated plain steel treble strings provide warm top-end presence without metallic edge
  • Includes a wound G (3rd) string (.019) for authentic archtop intonation and balanced chord tension
  • Light gauge configuration (.011 - .047) delivers enhanced acoustic projection while retaining effortless playability

Specs

  • Model: JS111 (DTJS111)
  • Instrument: Electric Guitar / Archtop Jazz Guitar
  • Series: Jazz Swing Flat Wound
  • Set Type: 6-String Electric Guitar Set
  • Gauge Type: Light (.011 - .047)
  • Number of Strings: 6
  • Core Material: Round Steel Core
  • Winding Material: Pure Nickel Flat Ribbon Wound
  • Plain Strings: Plain Steel, Brass Plated
  • Total Set Tension: 56.00 kg / 123.40 lb

String Specifications

  • E String (1st) – DTP11: Plain steel, brass plated, 0.011" (0.28 mm) gauge, 9.00 kg / 19.90 lb tension
  • B String (2nd) – DTP15: Plain steel, brass plated, 0.015" (0.38 mm) gauge, 9.30 kg / 20.60 lb tension
  • G String (3rd) – DTJS19: Round steel core, nickel flat wound ribbon, 0.019" (0.48 mm) gauge, 9.80 kg / 21.70 lb tension
  • D String (4th) – DTJS25: Round steel core, nickel flat wound ribbon, 0.025" (0.64 mm) gauge, 9.70 kg / 21.30 lb tension
  • A String (5th) – DTJS35: Round steel core, nickel flat wound ribbon, 0.035" (0.88 mm) gauge, 9.20 kg / 20.20 lb tension
  • E String (6th) – DTJS47: Round steel core, nickel flat wound ribbon, 0.047" (1.21 mm) gauge, 9.60 kg / 21.10 lb tension