Marantz SD 7

Data

General

• Manufacturer: Marantz
• Model: SD 7
• Type: Cassette Tape Deck
• Years of manufacture: 1981 - 1982
• Made in: Japan
• Color: Black
• Remote control: yes, cable remote control RMC-1 optional
• Power consumption:
• Dimensions (WxHxD): 416 x 146 x 243 mm.
• Weight: 9,5 kg
• Original price approx.: 2'498 DM
  • Rack handles: RHA-8 optional
  • Wooden cabinet: optional

Connections

• Inputs:
  • Microphone 1, 2: 0.15 mV, 6.8 kOhm

Line In: 30 mV, 35 kOhm

• Outputs:
  • Line Out: 650 mV, 1.2 kOhm
  • Headphones:

Specifications

• Motors: 2, DC-Servo
• Heads: 3, Sendust / Ferrite
• 2 belt speeds: 4,75cm/s, 9,5cm/s
• Synchronous speed fluctuations:
  • 4.75cm/s: 0.05% (WRMS), 0.09% (DIN)
  • 9.5cm/s: 0.03% (WRMS), 0.06% (DIN)
• Frequency response at 4.75cm/s:
  • Type I - Normal: 25 - 17'000 Hz

Type II - Chrome: 25 - 17'500 Hz Type III - FeCr : 25 - 18'000 Hz

• • Type IV - Metal: 25 - 20'000 Hz
• Frequency response at 9.5cm/s:
  • Type I - Normal: 25 - 21'000 Hz
  • Type II - Chrome: 25 - 23'000 Hz

Type III - FeCr : 25 - 23'500 Hz

• • Type IV - Metal: 25 - 25'000 Hz
• Signal to noise ratio:
  • 4.75cm/s: 54 dB metal, with Dolby 64 dB
  • 9.5cm/s: 63 dB metal, with Dolby 72 dB
• Distortion factor: < 1% (0 dB)
• Rewind speed: less than 85 sec (C 60)

Special Features

• Rear band control
• Display 2 rows of LED's

Remarks

• Other models in the same series:
• Preamplifier:
  • Marantz SC-5
  • Marantz SC-6
  • Marantz SC-7
  • Marantz SC-8

• Power amplifier:
  • Marantz SM-5
  • Marantz SM-6
  • Marantz SM-7
  • Marantz SM-8

• Integrated Amplifier
  • Marantz PM-4
  • Marantz PM-5
  • Marantz PM-6
  • Marantz PM-8

• Tuner
  • Marantz ST-7
  • Marantz ST-8

• Tape Deck:
  • Marantz SD 7
  • Marantz SD 9020

• Turntable:
  • Marantz TT-1000

Pictures

• Extract from brochure: Marantz SC-7, SD-7, SM-7, ST-7

• Excerpt from brochure: Marantz SC-7, SD-7, SM-7, ST-7

Links

• External link to website "The Vintage Knob": [[1]]