Marantz 4240

Data

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

• Other models in the same series:
• Marantz 4025
• Marantz 4220
• Marantz 4230
• Marantz 4240
• Marantz 4270
• Marantz 4400
• Marantz 4415
• Marantz 4420
• Marantz 4430

Pictures

• Extract from brochure: Marantz 4240

• Picture: Marantz 4240

• Picture: Marantz RC-4 cable remote control

Reports

• Report at "Hifi-Museum" [=quadro]