Marantz CD-84 (circa 1983–84)

The Marantz CD-84 was sold in Europe for DB 1,250 (Dutch Guilders) around 1983/84. It is one of the first-generation Philips-based players. Collectors care about what's inside. It uses the Philips CDM-1 swing-arm laser mechanism with a SAA7030 digital filter and dual TDA1540D DACs wired in a dual differential configuration. Those are the same building blocks that defined the best of the early Philips/Marantz collaboration. The dual-differential DAC arrangement was a deliberate step up from single-DAC designs of the period.

The specs are respectable even by later standards. Frequency response is 20 Hz-20 kHz ±1 dB. Signal-to-noise ratio and channel separation are both better than 100 dB. THD is under 0.003%, and the output is 2 V RMS. It runs on 13 watts and uses 4x oversampling via the SAA7030 digital filter. The chassis is full-width and line-level only, with no volume control or preamp section. The front panel is clean and functional, in keeping with Marantz's early-80s industrial design. The CDM-1 transport is a swing-arm design, driven by a DC motor with capstan and tachogenerator.

Dimensions and weight are where the record gets muddled. HiFi Engine lists 440 × 38 × 292 mm and 5 kg, while Vintage Knob gives 440 × 85 × 278 mm and 5.2 kg. The height discrepancy likely reflects whether feet are included. Audio (October 1987, p.174) included the CD-84 in a compact disc player roundup, confirming its standing as a current model in the mid-1980s. Production dates, total units sold, and the player's exact position relative to the CD-63 or CD-73 in Marantz's lineup are not documented in the Archive's files. If you own a CD-84 and have a period brochure or service notes, the Archive would welcome the contribution.