I was looking for a 5m 3.5mm to RCA cable. There aren't any from the decent manufacturers like QED, IXOS etc. The best I could find was Profigold. You may be able to get them custom made though.
T+A D10, T+A V10, T+A TCI 2E, Arcam DV135, Tag McLaren DAC20, Michell Gyro SE (SME IV, Ortofon Kontrapunkt B), Trichord Research Dino & Dino+. Isotek Orion. Audioquest Quartz x3, Black Rhodium AST200x2, Black Rhodium Supermains 13.