Aquila String

D-Tuning A-D-F#-B Soprano (一套4条Nylgut^®) RM32
High G-C-E-A Soprano/Concert/Tenor (一套4条Nylgut^®) RM32
Low G-C-E-A Soprano/Concert/Tenor (一套4条，3条Nylgut^®1条wound) RM35
Single Low G string Soprano/Concert/Tenor (一条wound) RM12