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DTIB03

Thomastik IB03 Infeld Blue Violin 'D' String


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The Thomastik-Infeld Infeld Blue IB03 (DTIB03) violin D-string offers a focused, brilliant tonal core combined with fast articulation and direct bow response. Designed to bring clarity and harmonic radiance to the middle register, this string helps soloists and orchestral players cut through dense ensembles while retaining a supple feel under the fingers.

Engineered around an advanced synthetic composite core wound with durable hydronalium, the IB03 ensures exceptional pitch stability across changing temperature and humidity conditions. It features a copper ball end with green silk winding at the tailpiece end and is color-coded with blue silk winding at the peg end to denote the Infeld Blue family.

Calibrated in medium gauge for full-size 4/4 violins with a standard vibrating string length of 32.5 cm (12.8"), the IB03 operates at a tension of 4.6 kg (10.1 lb), delivering an even feel and smooth tonal transition across the instrument.

Features

  • Delivers a brilliant, focused tone with exceptional clarity in the middle register
  • Advanced composite core ensures rapid settling time and outstanding pitch stability
  • Hydronalium winding offers smooth left-hand shiftability and durability
  • Copper ball end (Cp. / B) provides dependable anchoring in all fine tuners and tailpieces
  • Tailpiece end finished with distinctive green silk winding (#008145)
  • Peg end color-coded with blue silk (#0073bc) representing the Infeld Blue series
  • Calibrated in Medium tension at 4.6 kg / 10.1 lb for balanced playability
  • Designed for 4/4 violins with a 32.5 cm (12.8") vibrating string length
  • Core D-string component of the complete Infeld Blue DTIB100 set

Specs

  • Model: DTIB03 (IB03)
  • Instrument: Violin
  • String: 3rd – d¹ / re¹ (III)
  • Series: Infeld Blue
  • String Type: Single String
  • Size: 4/4
  • Vibrating String Length: 32.5 cm / 12.8"
  • Gauge: Medium
  • Core Material: Composite Core
  • Outer Material: Hydronalium Wound
  • Tailpiece End: Ball End (Copper / Green silk #008145)
  • Peg End: Blue silk (#0073bc)
  • String Tension: 4.6 kg / 10.1 lb