Synthetic core with a simultaneously warm and brilliant tone, strong projection, and a wonderfully smooth and pliable feel. Clear and focused from PPP to FFF. 15–16.5" size, medium gauge.
 
Strings should generally be changed every 6–12 months, though students usually change them less frequently. Even if strings haven't broken, they gradually lose their brilliance and responsiveness — if your instrument sounds dull or takes longer to settle in tune, it's time for a fresh set.