Marantz 2270

Data

General

• Manufacturer: Marantz
• Model: 2270
• Years of manufacture: 1971 - 1975
• Made in: Japan (the often made statement that the first models are made in USA is wrong).
• Color: Silver (Black)
• Remote control: no
• Power consumption: 500 W max / 38 W rest
• Dimensions: 439 x 137 x 366 mm (WxHxD)
• Weight approx.: 17.7 kg

Price: Lt. Marantz price lists v.10/72, 73 and 74 2.895,00 DM

Connections

• Number of inputs:
  • 2x Tape Play, Aux: 180 mV / 100 kOhm.
  • 2x Phono: 1,8 mV / 47 kOhm
  • 1x FM antenna ext. (300 Ohm)
  • MW antenna
  • Dubbing in
  • Main In
• Number of outputs:
  • 2x Tape Rec: 775 mV
  • Quadradial
  • Dubbing out
  • Pre Out
  • Headphones (6,3mm jack)
  • 2 pairs of speakers

Technical Data

Amplifier

• Continuous power (at distortion factor): 0.3%.

16 Ohm: 2x 53 W (DIN) 8 Ohm: 2x 70 W (RMS)

• • 8 Ohm: 2x 90 W (DIN)
  • 4 Ohm: 2x 140 W (DIN)
• Dynamic power:
  • 8 Ohm: 2x 135 W
  • 4 Ohm: 2x 210 W
• Total harmonic distortion: < 0,3%
• Dämpfungsfaktor: 45 (8 Ohm)
• Frequenzgang: 20 - 20.000 Hz (±1 dB)
  • Leistungsbandbreite: 7 - 50.000 Hz
• Signalrauschabstand: 80 dB (Hochpegel)
• Stereokanaltrennung: >35 dB
• Tone control: (each L/R separated)

Bass: ±14 dB (50 Hz)

• • Mids: ±6 dB (800 Hz)

Treble: ±12 dB (15 kHz) Loudness: 100 Hz (+8 dB), 10 kHz (+5 dB)

• High Filter: yes
• Low Filter (Subsonic): yes
• Mute:

Tuner

• Reception: FM/MW
• Frequencies:
  • FM: 87.5 - 108 MHz
  • MW: 540 - 1,602 kHz
• Frequency response: 50 - 15,000 Hz (±1dB)
• Input sensitivity:
  • VHF: 1.3 µV of 26 dB, 1.5 µV of 30 dB.
  • MW: 25 µV
• Distortion factor:
  • FM: 0.2% (mono), 0.4% (stereo).
• Signal-to-noise ratio:
• Channel separation:
  • FM: 40 dB (at 1 kHz)
• Selectivity:
• Equal wave selection:
  • FM: 1.9 dB
• Spurious wave selection:
  • FM: 80 dB
• Mirror frequency attenuation:
  • VHF: 90 dB
• IF attenuation:
  • FM: 100 dB
• AM suppression: 60 dB

Special Features

• Pre- and power amplifier separable (Main In/Pre Out)

Remarks

• The 2270 is considered the best-selling Marantz receiver of the 1970s.

• Other models in the same series:
• Marantz 2015
• Marantz 2215
• Marantz 2220
• Marantz 2230
• Marantz 2245
• Marantz 2270

Pictures

• Image: Marantz 2270

• Picture: Marantz 2270

• Image: Marantz 2270

• Image: Marantz 2270

• Excerpt from brochure: Marantz 2270

Reports

Test from HiFi-Stereophonie issue 7/73

• Summary: With the top device of the 22 series from Marantz, the customer also receives top quality in terms of technical performance, processing, ease of use and external representation, which leaves nothing to be desired. mth

Links

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