Marantz PM-57 (1979)
Little is documented about the Marantz PM-57 integrated amplifier. One German source dates it to 1979 and rates it at 2 x 45 watts sine output. That figure appears nowhere else in the surviving material, so treat it as plausible but unconfirmed. The model name is inconsistent across sources. It shows up as "PM 57," "PM-57," and "PM57," but all clearly refer to the same unit.
Beyond that, the archive's sources are thin. No frequency response, THD, signal-to-noise, damping factor, or phono stage specifications have surfaced. No dimensions or weight are recorded, and no original price is known. Owner comments from enthusiast forums are uniformly positive. They describe solid late-1970s Japanese build and good performance with efficient speakers. One forum note says capacitor replacement is common for Marantz of this era, which is consistent with the broader brand experience. HiFI-Stereo (February 1997, p.92) ran a survey of integrated amplifiers around this period, but it does not appear to have given the PM-57 a full review.
Known Specs
- Integrated amplifier
- Rated output: 2 x 45W (per one German source; unconfirmed elsewhere)
- Year: 1979 (per one source)
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.
Related Models
- Marantz 1200 (1972–1975; some sources say 1974–1976)
- Marantz Model-1030
- Marantz Model-1040
- Marantz Model-1122
- Marantz Model-1150mkII
- Eico 3150 (1967)
- Fisher CUSTOM-ELECTRA-I (K-14/K-15) (1957)
- Fisher CUSTOM-ELECTRA IV (E33/E44) (1960)
- Akai AM-2400 (1978)
- Akai AM-2600 (1977)