Hi,
I have an AR 4201 for sale, which was replaced by an AR 6201.
built in April 2005; ser.-no. 11135
It functioned flawlessly all the time.

Best
Klaus
D67067 Ludwigshafen
Germany

P.S.: For fast deciders, visiting Europe: might be transfered during the AER expo in Friedrichshafen on Wednesday, April, 24 !?