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DTJF364

Thomastik JF364 Electric Bass 4 String 36" Scale Flatwound Strings


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The Thomastik-Infeld JF364 Jazz Flat Wound is a complete medium-gauge 4-string bass guitar string set designed for 36-inch super long scale electric basses. Drawing on the design legacy of Thomastik-Infeld's renowned upright strings, this set combines a highly pliable round steel core with a silk inlay underlay and a polished nickel alloy ribbon flat winding to deliver a warm, deep fundamental tone with exceptional clarity and sustain.

Engineered to eliminate finger squeak and reduce fret wear, the JF364 set provides a supple, low-tension feel tailored for extended-scale instruments. Each string is precision-crafted to offer balanced output, fast dynamic response, and effortless playability across the entire 36-inch scale length.

Features

  • Complete four-string flatwound set for 36" super long scale electric bass guitars
  • Highly pliable round steel core with a protective silk inlay wrap
  • True ribbon flatwound construction made from a specialized nickel alloy
  • Polished, ultra-smooth surface eliminates finger noise and fret wear
  • Deep, focused vintage tone with enhanced fundamental frequencies and sustain
  • Supple low-tension response engineered for comfortable fretting and articulation
  • Standard ball ends designed to fit super long scale bass bridges and tailpieces

Specs

  • Model: JF364 (DTJF364)
  • Instrument: Electric Bass Guitar
  • Series: Jazz Bass Flat Wound
  • Set Type: Complete 4-String Bass Set
  • Scale Length: Super Long Scale (36" / 915 mm)
  • Gauge: Medium
  • Core Material: Round Steel Core with Silk Inlay
  • Winding Material: Nickel Alloy Flat Ribbon
  • Number of Strings: 4
  • Total Set Tension: 70.40 kg / 155.18 lb

String Specifications

  • G String – DTJF36044: Nickel flat wound, round core, .044 gauge (1.12 mm), 19.00 kg / 41.88 lb tension
  • D String – DTJF36057: Nickel flat wound, round core, .057 gauge (1.44 mm), 19.20 kg / 42.32 lb tension
  • A String – DTJF36072: Nickel flat wound, round core, .072 gauge (1.83 mm), 16.20 kg / 35.71 lb tension
  • E String – DTJF36096: Nickel flat wound, round core, .096 gauge (2.43 mm), 16.00 kg / 35.27 lb tension