0001047469-98-014380 DEF 14A 1 19980515 19980409 AMEX AMPEX CORP /DE/ 0000887433 3663 133667696 DE 1231 DEF 14A 34 000-20292 98590887 500 BROADWAY MAIL STOP 3-36 REDWOOD CITY CA 94063-3199 4153672011 500 BROADWAY MAIL STOP 3-36 REDWOOD CITY CA 94063-3199 AMPEX INC /DE/ 19940505 AMPEX INC 19930328 DEF 14A 1 000104746998014380-001-seq1-def-14a.txt DEF 14A