Marantz MR-250

Data

General

  • Manufacturer: Marantz
  • Model: MR-250
  • Year of manufacture: around 1975
  • Made in:
  • Color: silver/wood
  • Remote control: no
  • Power consumption:
  • Dimensions: 440 x 137 x 358 mm (WxHxD).
  • Weight: 12 kg
  • New price approx:


Connections

  • Number of inputs:
    • Aux (180 mV, 20 kOhm).
    • 2x Tape In
    • Phono (2,7 mV, 47 kOhm)
    • FM antenna (75/300 Ohm)
    • AM antenna
  • Number of outputs:
    • 2x Tape Out
    • Headphones (6.3mm jack)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (at distortion)

8 Ohm: 2x 64 W (DIN), 2x 56 W (RMS)

    • 4 Ohm: 2x 98 W (DIN), 2x 55 W (RMS)
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.1% (at rated power)
  • Attenuation factor: 77 (8 Ohm)
  • Frequency response: 10 - 40,000 Hz (±1 dB)
  • Signal-to-noise ratio:
    • Phono: 72 dB
    • Aux: 80 dB
  • Tone control:
    • Bass: yes
    • Mids: yes
    • Treble: yes
  • Loudness: yes
  • Subsonic: yes
  • Mute:
  • Direct/Line-Straight:
  • Stereo channel separation: 45 db


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.4 - 109 MHz
    • MW: 515 - 1,650 kHz
  • Frequency response: 30 - 15000 Hz
  • Input sensitivity:
    • FM: 1.7 µV

MW: 30 µV

  • Distortion factor: 0.1%
  • Signal-to-noise ratio: 62 dB (mono), 55 dB (stereo)
  • Spurious voltage spacing:
  • Channel separation:
  • Selectivity:
  • Co-wave selection:
  • Spurious wave selection:
  • IF attenuation:
  • IF attenuation:
  • AM suppression:
  • Output level:
  • RDS: no
  • Station memory: no


Special Features

  • here, if available


Remarks

Other models of the same series:

Pictures

Reports

Links