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DTJS25

Thomastik Jazz .025 Single String Nickel Flatwound [DTJS25]


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The Thomastik-Infeld DTJS25 Jazz Swing is an individual .025 gauge wound D (4th) flatwound replacement string designed specifically for archtop, hollowbody, and jazz electric guitars. Handcrafted in Vienna, this single string features mirror-polished, pure nickel flat ribbon windings over a supple round steel core, producing the rich harmonic balance, velvety warmth, and deep fundamental tone that make the Jazz Swing series the global benchmark.

Ideal for replacing a broken or worn string or for assembling custom-gauge string configurations, the DTJS25 offers remarkably supple left-hand feel, zero finger squeak, and reduced fret wear. Australian jazz guitarists and archtop players rely on genuine Thomastik-Infeld single strings to maintain precise chord intonation, optimal string-to-string tension balance, and timeless jazz tone.

Features

  • Genuine single replacement .025 wound D (4th) string from the iconic Jazz Swing series
  • Supple round steel core delivers unmatched flexibility and low-tension playing comfort
  • Glassy-smooth, polished pure nickel flat ribbon winding virtually eliminates finger squeak and fret wear
  • Produces deep, warm fundamentals with balanced overtones and singing sustain
  • Precision wound construction ensures flawless chord intonation and acoustic balance
  • Direct replacement string for Thomastik-Infeld JS111 and JS111T sets, or ideal for custom flatwound setups

Specs

  • Model: DTJS25
  • Instrument: Electric Guitar / Archtop Jazz Guitar
  • Series: Jazz Swing Flat Wound
  • String Type: Single String (Wound 4th / D String)
  • Gauge: .025" (0.64 mm)
  • Core Material: Round Steel Core
  • Winding Material: Pure Nickel Flat Ribbon Wound
  • String Tension: 9.70 kg / 21.30 lb
  • Origin: Made in Austria