The shift from 50 to 50i was about s/n 7500. With 13,000 series numbers you definately have 50i's. The felt hole surrounting the tweeter should also be square (early 50s were rectangular)
-- dadster www.spicaspeakers.com ------------------------------------------------------------------------ dadster's Profile: http://forums.slimdevices.com/member.php?userid=15150 View this thread: http://forums.slimdevices.com/showthread.php?t=42522 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/lists/listinfo/audiophiles