Marantz 4240

Data[edit]

General

  • Manufacturer: Marantz
  • Model: 4240
  • Type: Stereo / Quadro receiver
  • Years of manufacture: 1973 - 1978
  • Made in: Japan
  • Color: Silver / Brown
  • Remote control: RC4 Remote Control
  • Power consumption: full load 650W, idle 50W
  • Dimensions: 441 x 137 x 385 mm (WxHxD)
  • Weight: 15 kg
  • Original price approx.: 2'198 DM
  • New price remote control RC4: 200 DM


Connections

  • Number of inputs:
    • 2*Tape (150mV/100kOhm)

1*Aux (150mV/100kOhm)

    • 1*Phono (2mV/47kOhm)
  • Number of outputs:
    • 2*Tape (1V in 47kOhm).
    • 1*pre-out (900Ohm)
    • 2*Headphones (6,3mm jack)
    • 4 pairs of speakers


Technical Specifications

Audio

  • Output power (at distortion)

Stereo: 2*40W / 0.15% Quadraphonic: 4*17W / 0,15%

  • Attenuation factor: 50
  • Frequency response: 20 - 20'000 Hz, ±1 dB
  • Distortion factor: 0.5%
  • Signal-to-noise ratio:
  • Tone control:
    • Bass: ±10dB at 50Hz
    • Mid: ±10dB at 700Hz

Treble: ±10dB at 15kHz

  • Loudness: 7dB at 100Hz, 4dB at 10kHz
  • High Filter: 10kHz, 6dB per octave
  • Low Filter: 100Hz, 6dB per octave
  • Mute: -


Sound Formats

  • Dolby
  • DolbyFM


Tuner

  • Reception: (FM/MW)
  • Frequencies:
    • FM: 88-108MHz
    • MW: 540-1602kHz
  • Frequency response:
  • Input sensitivity: 1.9µV

Distortion factor: 0.3% (stereo), 0.2% (mono) Signal to noise ratio: greater than 90dB

  • Channel separation: greater than 40dB
  • Selectivity: greater than 75dB
  • Co-wave selection: 70dB
  • Spurious selection: 90dB
  • Image frequency attenuation: 90dB
  • IF attenuation: 100dB
  • AM suppression: 50dB


Special Features

  • SQ Decoder other systems by means of external decoder


Remarks[edit]


Pictures[edit]

  • Extract from brochure: Marantz 4240

Marantz RC-4-Prospekt-1.jpg


  • Picture: Marantz 4240

Marantz 4240.jpg


  • Picture: Marantz RC-4 cable remote control

Marantz RC-4-Prospekt-1.jpg


Reports[edit]

  • Report at "Hifi-Museum" [=quadro]


Links[edit]