User contributions
- 15:44, 19 June 2013 (diff | hist) . . (+68) . . Yamaha K-2000 (→Bemerkungen)
- 09:03, 28 March 2013 (diff | hist) . . (+29) . . Yamaha A-700 (→Daten)
- 16:42, 12 March 2013 (diff | hist) . . (+12) . . Yamaha M-4 (→Daten)
- 16:26, 12 March 2013 (diff | hist) . . (+42) . . Yamaha M-70 (→Daten)