Marantz Model 1090 (1978–1980)

A silver stereo console amplifier made by Marantz from 1978 to 1980, delivering 45 watts per channel with a smooth tonal balance suited for vinyl and digital sources.

Overview

The Marantz Model 1090 is a stereo integrated amplifier produced from 1978 to 1980. Marketed as the "Marantz Model 1090 Stereo Console Amplifier," it features a silver finish and combines amplification with a built-in phono stage for MM cartridges. Designed for high-fidelity audio playback, it supports both vinyl and digital sources, offering a rich midrange and effortless dynamics. Though specific placement within the Marantz lineup isn't documented, it was sold with the designation of a console amplifier, suggesting integration into a broader audio system.

Specifications

Power output	45 watts per channel into 8Ω (stereo)
Frequency response	10Hz to 60kHz
Total harmonic distortion	0.1%
Damping factor	45
Input sensitivity	1.8mV (MM), 180mV (line)
Signal to noise ratio	76dB (MM), 88dB (line)
Output levels	775mV (line), 1.5V (Pre out)
Speaker outputs	Two speaker outputs
Dimensions (metric)	416 x 146 x 301mm
Dimensions (imperial)	16.4" × 5.7" × 11.9"
Weight	9.5kg (20.9 lbs)
Color	Silver
Years of manufacture	1978–1980
Original price approx.	698 DM

Reception & Use

The Marantz Model 1090 holds a user rating of 3.7 out of 5 based on six reviews and is described as having a smooth tonal balance, rich midrange, and effortless dynamics. It is considered well-suited for both vinyl and digital sources. Owners have discussed its value in online forums, with questions about pricing appearing as early as 2008 and continuing into 2024.

Collectibility

The Model 1090 is subject to restoration, with units described as "fully restored" or "serviced recapped," indicating that capacitor replacement is a common maintenance step. A speaker terminal upgrade kit is commercially available, suggesting the original terminals are a known point for improvement. Service manuals are accessible and referenced across enthusiast communities.