Hi Andreas,

Strange what your German distributor said about the single winding for US shipments. I purchased both the 565 and 518 in the US as 120v and it was an easy re-wiring to 240v. Check out the power supply conversion at:

http://www.meridianunplugged.com/wiki/index.php?pagename=Power%20Supply%20Conversions

S1: 565, 562V, 518, Apogee Diva, Classe M1000, Rowland 201, Wadia 2000, Rel Stentor II, Mac Mini, NEC TheaterSync
S2: Wadia 121, McCormack Micro Power Drive, Canon S-50
S3: Pathos TT, Wadia X64.4, Sonos, Apogee Slant 8
S4: DSP 5500, DSP5000, HQV TX3, Mac Mini, Pioneer KRP-600M
Looking for: DSP6000 24/96