Thomastik STRINGS CONTRABASSES SPIROCORE SPIRAL CORE MEDIUM 3885,0

A Modern Standard of Steel Core Double Bass Strings

In the world of double bass strings, some sets become benchmarks because they offer a rare balance between projection, note sustain, and left-hand comfort. This 3/4 scale cable core (multi-strand spiral wires) set clearly fits this philosophy: a construction designed to vibrate for a long time, with reduced inertia, to maintain an immediate sense of control under the fingers. The result: consistent behavior across the entire range, appreciated both in orchestral settings and more rhythmic playing.

Intended Use and Double Bassist Profile

This string set is aimed at a wide range of musicians, from intermediate to advanced levels, and is also suitable for demanding beginners seeking stable and durable strings. In pizzicato, it promotes articulation and note clarity, with a crisp response useful in jazz, contemporary music, walking bass lines, or sustained grooves. With the bow, the flexible core design helps achieve a clean vibration start, appealing to classical bassists, ensemble musicians, and those who frequently alternate techniques. The choice of tension (soft or medium) allows you to fine-tune the feel according to your instrument, setup, and style.

Sound Characteristics

The sonic personality of this set comes directly from its flexible multi-strand spiral core. This architecture encourages broad and lasting vibration, hence the sensation of sustain and a "full" note across the entire string length. The low inertia results in a more immediate vibration onset: the attack stands out clearly, the right hand gains precision, and the string remains responsive even at varied dynamics. With the bow, this core flexibility can contribute to a more controllable grip and smoother register transitions, while in pizzicato it highlights note definition and continuity, useful for carrying the line in a mix or a room.

Recommended Compatible Accessories

To optimize tuning stability and string lifespan, a chromatic tuner and a microfiber cloth (for wiping after each session) are simple and universal choices. If you play regularly with the bow, a rosin suited to your practice can also improve grip and attack consistency.

Technical specifications

Format	3/4	Category	double bass
Tension	Medium	Nbr of strings	4
Type of cord attachment	Ball end	Special feature	medium scale

Size	3/4	Techniques	ideal for bowing and pizzicato
Compatible scale length	1040 to 1060 mm	Number of strings	4
Compatible scale length (inches)	41 to 41.7	References	3885,2 / 3885,3 / 3885,4 / 3885,5
Type	double bass string set	Soft tension	114.5 kg
Core	flexible, multi-strand spiral wires	Soft tension (lbs)	252.3
Behavior	long musical vibration period	Medium tension	126.5 kg
Inertia	low	Medium tension (lbs)	278.8