Marantz 2285B

Data

General

  • Manufacturer: Marantz
  • Model: 2285 B
  • Type: Receiver
  • Years of manufacture: 1977 - 1980
  • Made in: Japan
  • Colors: silver, black (wooden cabinet WC-122)
  • Remote control: no
  • Power consumption: 340 W max.
  • Dimensions: 440 x 137 x 365 mm (WxHxD)
  • Weight: 17 kg
  • Original price approx.: 2'100 DM


Connections

  • Number of inputs:
    • 2x Phono: 1.8 mV / 47 kOhm

2x Tape In, Aux: 180 mV / 20 kOhm

    • Main In: 1,5 V / 40 kOhm
    • Antenna FM (75/300 Ohm) / MW
    • Dubbing In
  • Number of outputs:
    • 2x Tape Out
    • Pre Out
    • Dubbing Out
    • Headphones (6.3 mm jack, front)
    • 2 pairs of speakers


Technical Data

Amplifier

  • Continuous power: (20-20,000 Hz, <0.05%, RMS).

8 Ohm: 2x 85 W 4 Ohm: 2x 110 W

  • Dynamic power:
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.05%
  • Attenuation factor: 40 (8 Ohm)
  • Frequency response:
    • Aux: 10 - 40,000 Hz (±1 dB).

Main In: 8 - 45,000 Hz (±1 dB) Phono: RIAA ±1 dB Signal-to-noise ratio:

    • Aux: 90 dB

Phono: 78 dB

  • Stereo Channel Separation:
  • Tone control: (each L/R separated)
    • Bass: yes, Turnover: normal / 100 Hz

Mids: yes Treble: yes, Turnover: normal / 10 kHz

  • Loudness: yes
  • High Filter: 9 kHz (18 dB/oct)
  • Low Filter (Subsonic): 15 Hz (18 dB/oct)
  • Mute: FM Muting
  • Direct/Line-Straight: yes


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.5 - 108 MHz

MW: 525 - 1,605 kHz

  • Frequency response: 30 - 15,000 Hz (±1.5 dB)
  • Input sensitivity:
    • FM: 1.5 µV

MW: 20 µV Distortion factor:

    • FM: 0.3% (mono), 0.5% (stereo)

MW: 0.4%

  • Signal-to-noise ratio:
    • VHF signal-to-noise ratio: 65 dB (mono), 62 dB (stereo)
    • Signal-to-noise ratio FM: 69 dB (mono), 65 dB (stereo)

MW: 54 dB

  • Channel separation: 50 dB (1 kHz)
  • Selectivity:
  • Co-wave selection: 1.0 dB
  • Spurious wave selection:
    • FM: 80 dB

MW: 46 dB

  • Image frequency attenuation:
    • FM: 90 dB
    • MW: 75 dB
  • IF attenuation:
    • FM: 100 dB
    • MW: 75 dB
  • AM Suppression:


Special Features

  • Wooden cabinet: WC-122


Remarks

  • The American version can be upgraded with a Dolby FM decoder.


Pictures

  • Image: Marantz 2285B with woodcase

Marantz 2285 B-1.jpg


  • Picture: Marantz 2285B without Woodcase

Marantz 2285B 2.JPG


  • Close-up Marantz 2285B: knob to knob - one of the most beautiful Marantz receivers ever !!!!

Marantz 2285B 3.JPG


  • Marantz 2285B - opened: easy to see the stamped year of manufacture (07.06.1978) and the manufacturer number (E 110162).

Marantz 2285B 4.JPG


  • View into the Marantz 2285B over the opened bottom panel.


Reports

Links