Grundig TK 847

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Data

General

  • Manufacturer: Grundig-Radiowerke mbH, Fürth
  • Model: TK 847 HiFi-Stereo
  • Years of manufacture: 1975 - 1977
  • Manufactured in: Fürth
  • Color: Black
  • Remote control: no
  • Dimensions: 510 x 160 x 420 mm (WxHxD)
  • Weight: 12.5 kg
  • Original price approx.: 995 DM


Connections

  • Number of inputs:
    • Microphone >= 2 x 1 mV/100 kOhm (DIN connector).

Record player >= 2 x 100 mV/1 MOhm (DIN connection)

    • Radio >= 2 x 3 mV/30 kOhm (DIN connector).
  • Number of outputs:
    • Radio or amplifier >= 2 x 800 mV/ 20 kOhm (DIN connection).
    • Loudspeaker: 2 x 4 Ohm


Technical data

  • Max. coil diameter: 18 cm
  • Drive: Belt drive
  • Heads: 3 heads
  • Tracks: 4 (quarter track)
  • Tape speeds: 4.75/ 9.5/ 19 cm/ s
  • Slip:
  • Synchronous speed fluctuations:
    • at 4.75 cm/ s: ± 0,2 %
    • at 9.5 cm/ s: ± 0,12 %
    • at 19 cm/ s: ± 0,07 %
  • Pitch fluctuations:
  • Overall frequency response:
    • at 4.75 cm/ s: 30 - 8,000 Hz
    • at 9.5 cm/ s: 30 - 15,000 Hz
    • at 19 cm/ s: 30 - 18,000 Hz
  • Signal-to-noise ratio:
  • extraneous signal-to-noise ratio:
    • at 4.75 cm/ s: 57 dB
    • at 9.5 cm/ s: 60 dB
    • at 19 cm/ s: 62 dB
  • Distortion factor at 333 Hz and full scale: 3
  • Equalization:
  • Crosstalk attenuation at 1,000 Hz at opposite:
    • Dual track recording: 60

Stereo recording: 46

  • Erase attenuation:
  • Premagnetization and erasure frequency:


Special Features

  • Integrated stereo amplifier with two loudspeakers, output power: 2 x 7 Watt
  • Automatic level control, can be switched off
  • Tape end switch-off via spliced-in metal tape strip
  • Third head slide control with Sono-Dia control unit
  • Smoked glass hood and carrying handle


Remarks

  • Back tape control only possible with mono operation!
  • Identical in construction with:
  • Grundig TK 845



Pictures

  • Picture: Grundig TK 847

Picture: grundigTK847.jpg


  • Excerpt from brochure: Grundig TK 847

Grundig TK-847-Prospekt-1.jpg


Reports

Links