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.

• Other models in the same series:
• Marantz 1515
• Marantz 1530
• Marantz 1550
• Marantz 2216B
• Marantz 2218
• Marantz 2226B
• Marantz 2238B
• Marantz 2252B
• Marantz 2265B
• Marantz 2285B
• Marantz 2330B
• Marantz 2385
• Marantz 2600

Pictures

• Image: Marantz 2285B with woodcase

• Picture: Marantz 2285B without Woodcase

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

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

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