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• Premium Thomastik-Infeld Jazz Flat Wound.
• Super Long Scale 36" (Ball end to silk = 100cm)
• Flat Wound.
• Flexible round steel core.
• Warm, balanced, and full-bodied sound.
• Lower-than-average string tension.
• Smooth surface with minimal finger noise.
• Excellent sustain and dynamic response.
• Made in Austria.
The Thomastik-Infeld JF364 Jazz Flatwound Super Long is a premium string set for 4-string electric bass, designed for bassists who demand a warm, full-bodied, and balanced sound. Featuring a flexible round steel core and precision flatwound nickel ribbon winding, these strings provide exceptional playability, outstanding response, and the smooth feel that has made Thomastik-Infeld Jazz Flatwounds a favorite among professional musicians worldwide.
With lower-than-average tension, the JF364 strings feel comfortable under the fingers while reducing stress on both the player and the instrument. The smooth flatwound surface minimizes finger noise, making them ideal for jazz, blues, soul, R&B, reggae, classic rock, and fretless bass. Their rich fundamental tone, excellent sustain, and remarkable longevity have made them an industry standard for players seeking premium flatwound bass strings.