‘Read this ad and you’ll buy a Harman Kardon cassette deck’

Harman Kardon 1984 Ad. Cassette Deck CD491. The first company to use Dolby in a cassette deck. The CD491 incorporates a dual capstan transport with twin flywheels to insure perfect movement of the tape across its 3 high performance heads. Dolby HX Pro for extended frequency response, plus Dolby B and C for maximum noise reduction. Electronics. Stock Number: 10389-W.