Perpetual strings are characterized by great flexibility and an extraordinary tonal spectrum: from a sweet, warm tone to sheer endless power – everything is possible. The sound is like a large house with plenty of room for individual design. At the same time the tone is focused and clear, the most delicate touches are instantly audible and the base warmth always present. The natural qualities and timbre of each cello are enhanced by the strings’ great dynamics and intensity.
During the development, Pirastro concentrated on reducing the break-in time. The technicians did an impressive amount of research and analysis to develop a device for measuring the settling-in time, so each individual string can be tuned and brought to pitch before dispatch. This enables the materials used in the string to adjust and settle which significantly reduces the break-in time.
A-String: Chrome wound over a steel core (17.5 kg)
D-String: Chrome wound over a steel core (13.8 kg)
G-String: Tungsten wound over a rope core (14.0 kg)
C-String: Tungsten wound over a rope core (13.4 kg)
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