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Review of G and C strings
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urvey of string design
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Study of 1729 Guarneri cello
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Review of G and C strings

Pirastro Eudoxa:  A beautiful, smooth gut sound; for many players, nothing else can compare.  They lack the clarity and power of the best metal strings and there is inevitably some pitch instability and variation in the natural gut core.

Thomastik Spirocore:
 The tungsten wound (Wolfram) version is one of the most popular lower strings of all time and is widely used by soloists.  Valued for their powerful, gravelly tone, speed of response and longevity, they take at least a week to play in and always retain a gritty edge to the sound which lends clarity to the dark bottom end of the cello.

Thomastik Dominant:
 
These strings are helpful on cellos with a high bridge or wolf note problems.  They are preferred by teachers who want their students to develop fast bow strokes, as Dominants behave in a similar way to gut strings.  Allow 1-2 weeks to play in; initially they have a very harsh sound.

Larsen (standard):
 A big-sounding tungsten wound string.  It is difficult to pinpoint why these G and C strings are not more widely used.

D’Addario Helicore:
The ultra-flexible core gives excellent speed of response.  The sound is smoother than Spirocore and the strings are excellent value and therefore very popular.

Pirastro Permanent:
 A popular tungsten wound string with good tonal qualities.  Less gravelly than a Spirocore but with a slightly lower speed of response.

 
Pirastro Evah Pirazzi: Very powerful and tonally rich strings which were designed for longevity.  Allow 2 weeks to play in.  The C string is reluctant to speak when first fitted, but improves with playing.

Larsen Wire Core:
A new pair of lower strings from Larsen producing a powerful, smooth and focussed sound.

The core construction is an important feature of a string as it determines playing tension, flexibility, longevity, speed of response and tonal characteristics.   


Windings
also affect the sound quality: tungsten has a particularly clear tone and is a popular if costly choice for cello lower strings.  Silver is a heavier metal with a darker, smoother sound. 

The elasticity of a string determines its feel under the left hand (how easy or difficult it is to press the string down onto the fingerboard). 

The tension of a string affects the balance of the cello’s set up.  Higher tension strings, paradoxically, can either choke or free a cello’s response and generally exacerbate wolf notes.

 

SELECTED G AND  C STRINGS

String                                        Date of first manufacture Core Material Windings Tension (lbs)
   G                     C   
Eudoxa

1922

Natural gut core S 28.6           26.8
Prim 1945 Single steel core C 24.8           26.8
Spirocore 1949 Multi-wire spiral rope core C, S, T 30.9           29.8
Dominant 1970 Multi-strand synthetic core C, S 22.9           22.5
Larsen 1991 Metal single core T 27.6           30.1
Helicore 1994 Multi-strand twisted steel core T/S 29.4           28.8
Permanent 1996 Steel rope core T 30.1           29.4
Evah Pirazzi 2004 Steel multi-core T 27.7           28.1
Larsen Wire Core 2004 Wire core T/N 30.8           28.7

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