The tuning is Transit's new standard tuning, which is, from low to high: E, Ab, B, Gb, B, Eb Eb|---------------------12p0--------------------- \ B|----------12p0-------------------------------- \ Gb|---------------------------------------------- \ B|-------12------9s12--------12-12s(b9)9s12-12s14- \ Ab|--8s12---------------------------------------- \ E|---------------------------------------------- \ x2 Eb|---------------------12p0--------------------- / B|----------12p0-------------------------------- / Gb|---------------------------------------------- / B|-------12------9s12--------12-12s14-14s16-16v- / Ab|--8s12---------------------------------------- / E|----------------------------------------------