Electronic apparatus and instruments for the production, recording and/or reproduction of electro-acoustic oscillations including the amplification of the electric oscillations connected therewith, the tone colouring and/or modulation of at least one of their characteristic quantities, namely amplitude, frequency, phase position and/or transit time, as well as parts of said apparatus and instruments as far as they are included in Cl. 9 and all other goods in this class

Musical instruments of all kinds, products of mechanical, electrical and/or electronic construction directly or indirectly connected therewith in this class and parts thereof and all other goods in this class