Founded in Switzerland in 1933, Kung recorders have become one of the very best available on the market today. These offer a full range of octave and key choices, and are beautifully designed of pearwood. The Superio line are the most well known and popular Kung recorder, professionally designed but priced for the budget minded performer. Bass model, key of F, 2 1/2 octave range, curved windway. Kung Superio Recorder, Bass