Marantz 2500

Data

General

• Manufacturer: Marantz
• Model: 2500
• Years of manufacture: 1976 - 1980
• Made in: Japan
• Color: silver (wooden cabinet WC-124)
• Remote control: no
• Power consumption:
• Dimensions: 490 x 177 x 438 mm (WxHxD).
• Weight: 27,4 kg
• Original price approx.: 5'800 DM

Connections

• Number of inputs:
  • 2x Tape In, Aux (2x with European model): 180 mV / 20 kOhm.

2x Phono: 1,8 mV / 47 kOhm Antenna FM (75/300 Ohm) / MW

• • Dubbing in
  • Main In
• Number of outputs:
  • 2x Tape Out: 200 Ohm
  • Dubbing out
  • Pre 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 250 W 4 Ohm: 2x 330 W

• Dynamic power:
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.05%
• Attenuation factor: 40 (8 Ohm)
• Frequency response:
  • Aux, Main In: 10 - 60,000 Hz (±1 dB).
  • Phono: RIAA ±0.2 dB

Signal-to-noise ratio:

• • Aux: 95 dB
  • Phono: 80 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 (+0.2/-1 dB)
• Input sensitivity:
  • FM: 1.5 µV

MW: 15 µV Distortion factor: (1 kHz)

• • FM: 0.1% (mono), 0.2% (stereo)
  • MW:
• Signal-to-noise ratio:
  • Signal-to-noise ratio FM: 73 dB (mono), 70 dB (stereo)
  • VHF signal-to-noise ratio: 78 dB (mono), 71 dB (stereo)
  • MW:
• Channel separation:
  • FM:
• Selectivity:
• Equal wave selection:
  • FM:
• Spurious selection:
  • FM:
• Mirror Frequency Attenuation:
  • VHF:
• IF attenuation:
  • VHF:
• AM suppression:

Special Features

• Oscilloscope
• Pre- and power stage separable (Main In/Pre Out)
• Wooden case WC-124

Remarks

• The European version has a second aux input, the American version can be extended by a Dolby FM decoder.

• Other models in the same series:
• Marantz 2330B
• Marantz 2385
• Marantz 2500
• Marantz 2600

Pictures

• Image: Marantz 2500

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Reports

• Report from "Mackers": [1]

• Report from "Good Old Hifi": [2]

Links

• External link to website "The Vintage Knob": [3]