Realistic DNR-1

This Realistic DNR-1 is a noise reduction system, it was first sold by Realistic in 1974 with a manufacturer suggested retail price of USD $100 and discontinued 4 years later in 1978.

The features of the DNR-1 include.

Historic events

1974 The Waffle Trainer is introduced, quickly becoming the best-selling training shoe in the U.S.
1975 TDK unveiled its SA (Super Avilyn) line of tapes, the first nonchrome high-bias tape.
1976 Introduction of Teletext, a European television information that can be seen as a predecessor of the World Wide Web.
1977 The Atari 2600 home video game console released by Atari, Inc.
1978 Introduction of the laserdisc player, using technology invented already in the 1960s

Features of Realistic DNR-1

Similar to Realistic DNR-1 from the period 1974 - 1978