subsitutes the 9V power supply; power supply, input: 230V AC / 50 Hz, European plug type, output: between 9 and 12V DC / min. 500 mA (or more), not stabilized, low voltage connector suitable for all Doepfer devices with low voltage socket, e.g. MAQ16/3, R2M, d3m, Regelwerk, Drehbank, MCV4, Schaltwerk (only export version with low voltage power supply input) and all OEM/DIY products