Yamaha 'Silent Violin', with piezo pick-up for listening through earphones or external loudspeaker, model SV-100K, consisting of violin body, bridge, strings, audio lead, earphones, shoulder rest, 2 AA batteries and instructions (no bow or case), 1997-1999. 'Silent violin', 1997-1999. 1997-1999
Yamaha 'Silent Cello' electric violoncello, model SVC-100, with piezo pick-up for listening through headphones or external loudspeakers, comprising violoncello body, bridge, strings, audio lead, headphones, 2 AA batteries, body rest and instructions (no bow), made by Yamaha Corporation, Japan, 1997-1999. Yamaha 'Silent Cello' electric violoncello 1997-1999
