0001193125-05-067132 NT 10-K 1 20041231 20050331 20050331 20050331 AMPEX CORP /DE/ 0000887433 3663 133667696 DE 1231 NT 10-K 34 000-20292 05720907 1228 DOUGLAS AVENUE 1228 DOUGLAS AVENUE REDWOOD CITY CA 94063-3117 650-367-2011 1228 DOUGLAS AVENUE 1228 DOUGLAS AVENUE REDWOOD CITY CA 94063-3117 AMPEX INC /DE/ 19940505 AMPEX INC 19930328 NT 10-K 1 dnt10k.htm NOTIFICATION OF LATE FILING