For the HD650s the Sennheiser website gives 300ohms nominal impedance but they don't give any greater detail.
Now the search for an upgrade balanced cable or converting the standard cable to balanced. -- Suprlite7 Main ~ Duet-Bel Canto DAC3-Bel Canto Pre3-Bel Canto Ref1000s-Gallo Reference 3.1 Headphone ~ Duet-Glow Amp One-Sennheiser HD650 and Etymotic ER-4S ------------------------------------------------------------------------ Suprlite7's Profile: http://forums.slimdevices.com/member.php?userid=5461 View this thread: http://forums.slimdevices.com/showthread.php?t=28236 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
