Fold technic │ Multiplex supporting structure │ leather hinge

For the construction of the Paris Philharmonic Georg Ackermann, a company of carpenters, built an acoustic model on a scale of 1:10. In order to be able to simulate what the situation in the concert hall would later be as exactly as possible, it even has a large number of little puppets sitting in the audience wearing noise-absorbing clothing and little caps instead of hair.