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