The 133 has an even bigger sound board, with this model, you are in effect buying a 160 cm (5’3”) baby grand. posing an even bigger challenge to the action in order to hear and experience the big and wide sonority. The action are further developed . It is easier and more controllable to add touches to the style of playing.
★ Renner action
★ Renner hammer
★ Strunz sound board
★ Dehonit pin block
★ Hardness compress back frame
