Yamaha SV-250/255 Control Box Octave & Extended Range Strings ZETA applies its self-crafted amplification

ZETA applies its self-crafted amplification components to create a 21st century performance fiddle that looks and sounds at home in any musical style or setting

3/4 sizes and all violas

Master the mid-range with separate Low Mid and Hi Mid controls

The simple design incorporates two support arms and a pivoting friction hub that holds the instrument firmly in place

The smaller string diameter provides quick bow response

Yamaha SV-250/255 Control Box Octave & Extended Range Strings ZETA applies its self-crafted amplificationThis is the Control Box that is included with the Yamaha SV 250 and 255 violins. If you need to replace the box, be sure to also order an extra cable see separate item. This is the Control Box that is included with the Yamaha SV 250 and 255 violins. If you need to replace the box, be sure to also order an extra cable see separate item.